33
Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated Frequency N Ac =(N/50yr)*(AAA/Ac) Where AAA is est. to be 1.18 mi 2 . Alabama AUTAUGA 8 596 0.0003168 BALDWIN 55 1596.5 0.0008130 BARBOUR 7 885 0.0001867 BIBB 11 622.4 0.0004171 BLOUNT 15 645.7 0.0005482 BULLOCK 3 625.1 0.0001133 BUTLER 11 776.9 0.0003341 CALHOUN 12 608.5 0.0004654 CHAMBERS 9 597.4 0.0003555 CHEROKEE 6 553.2 0.0002560 CHILTON 15 694.1 0.0005100 CHOCTAW 4 913.6 0.0001033 CLARKE 15 1238.5 0.0002858 CLAY 14 605.1 0.0005460 CLEBURNE 11 560.2 0.0004634 COFFEE 20 679.2 0.0006949 COLBERT 15 594.6 0.0005954 CONECUH 13 850.9 0.0003606 COOSA 4 652.5 0.0001447 COVINGTON 16 1034.7 0.0003649 CRENSHAW 7 609.6 0.0002710 CULLMAN 38 738.5 0.0012144 DALE 15 561.1 0.0006309 DALLAS 19 980.8 0.0004572 DEKALB 19 778 0.0005763 ELMORE 11 621.6 0.0004176 ESCAMBIA 13 947.5 0.0003238 ETOWAH 14 534.8 0.0006178 FAYETTE 17 627.8 0.0006391 FRANKLIN 12 635.7 0.0004455 GENEVA 7 576.4 0.0002866 GREENE 4 646 0.0001461 HALE 13 643.8 0.0004765 HENRY 8 562 0.0003359 HOUSTON 22 580.4 0.0008946 JACKSON 12 1078.8 0.0002625 JEFFERSON 54 1112.7 0.0011453 LAMAR 10 604.9 0.0003901 LAUDERDALE 14 669.5 0.0004935 LAWRENCE 12 693.4 0.0004084 LEE 7 608.8 0.0002714 LIMESTONE 8 568.1 0.0003323 LOWNDES 8 718 0.0002630 MACON 5 610.6 0.0001933 MADISON 30 805 0.0008795 MARENGO 8 977.1 0.0001932 MARION 15 741.5 0.0004774 MASHALL 25 567.1 0.0010404 MOBILE 50 1233.4 0.0009567 MONROE 11 1026 0.0002530 MONTGOMERY 15 789.9 0.0004482 MORGAN 18 582.2 0.0007296 PERRY 6 719.5 0.0001968 PICKENS 16 881.5 0.0004284 PIKE 18 671.1 0.0006330 RANDOLPH 9 581.1 0.0003655 RUSSELL 12 641.1 0.0004417 SHELBY 16 634 0.0005956 ST. CLAIR 13 794.9 0.0003860 SUMTER 8 905 0.0002086 TALLADEGA 17 739.6 0.0005425 TALLAPOOSA 11 718 0.0003616 TUSCALOOSA 23 1325.3 0.0004096 WALKER 21 794.5 0.0006238 WASHINGTON 9 1080.7 0.0001965 WILCOX 4 888.8 0.0001062 WINSTON 9 614.5 0.0003456

Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

  • Upload
    others

  • View
    4

  • Download
    0

Embed Size (px)

Citation preview

Page 1: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

Tornado Frequency Tables for each County in the USNo.

Tornadoes,

1953-2002

Area of County

(Sq. Mi.) Estimated Frequency

N Ac =(N/50yr)*(AAA/Ac)Where AAA is est. to be

1.18 mi2.

Alabama

AUTAUGA 8 596 0.0003168

BALDWIN 55 1596.5 0.0008130

BARBOUR 7 885 0.0001867

BIBB 11 622.4 0.0004171

BLOUNT 15 645.7 0.0005482

BULLOCK 3 625.1 0.0001133

BUTLER 11 776.9 0.0003341

CALHOUN 12 608.5 0.0004654

CHAMBERS 9 597.4 0.0003555

CHEROKEE 6 553.2 0.0002560

CHILTON 15 694.1 0.0005100

CHOCTAW 4 913.6 0.0001033

CLARKE 15 1238.5 0.0002858

CLAY 14 605.1 0.0005460

CLEBURNE 11 560.2 0.0004634

COFFEE 20 679.2 0.0006949

COLBERT 15 594.6 0.0005954

CONECUH 13 850.9 0.0003606

COOSA 4 652.5 0.0001447

COVINGTON 16 1034.7 0.0003649

CRENSHAW 7 609.6 0.0002710

CULLMAN 38 738.5 0.0012144

DALE 15 561.1 0.0006309

DALLAS 19 980.8 0.0004572

DEKALB 19 778 0.0005763

ELMORE 11 621.6 0.0004176

ESCAMBIA 13 947.5 0.0003238

ETOWAH 14 534.8 0.0006178

FAYETTE 17 627.8 0.0006391

FRANKLIN 12 635.7 0.0004455

GENEVA 7 576.4 0.0002866

GREENE 4 646 0.0001461

HALE 13 643.8 0.0004765

HENRY 8 562 0.0003359

HOUSTON 22 580.4 0.0008946

JACKSON 12 1078.8 0.0002625

JEFFERSON 54 1112.7 0.0011453

LAMAR 10 604.9 0.0003901

LAUDERDALE 14 669.5 0.0004935

LAWRENCE 12 693.4 0.0004084

LEE 7 608.8 0.0002714

LIMESTONE 8 568.1 0.0003323

LOWNDES 8 718 0.0002630

MACON 5 610.6 0.0001933

MADISON 30 805 0.0008795

MARENGO 8 977.1 0.0001932

MARION 15 741.5 0.0004774

MASHALL 25 567.1 0.0010404

MOBILE 50 1233.4 0.0009567

MONROE 11 1026 0.0002530

MONTGOMERY 15 789.9 0.0004482

MORGAN 18 582.2 0.0007296

PERRY 6 719.5 0.0001968

PICKENS 16 881.5 0.0004284

PIKE 18 671.1 0.0006330

RANDOLPH 9 581.1 0.0003655

RUSSELL 12 641.1 0.0004417

SHELBY 16 634 0.0005956

ST. CLAIR 13 794.9 0.0003860

SUMTER 8 905 0.0002086

TALLADEGA 17 739.6 0.0005425

TALLAPOOSA 11 718 0.0003616

TUSCALOOSA 23 1325.3 0.0004096

WALKER 21 794.5 0.0006238

WASHINGTON 9 1080.7 0.0001965

WILCOX 4 888.8 0.0001062

WINSTON 9 614.5 0.0003456

Page 2: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

Arizona

APACHE 4 11205.7 0.0000084

COCHISE 10 6170 0.0000382

COCONINO 12 18619.1 0.0000152

GILA 1 4768.1 0.0000049

MARICOPA 49 9204 0.0001256

MOHAVE 7 13312.4 0.0000124

NAVAJO 3 9953.8 0.0000071

PIMA 15 9187 0.0000385

PINAL 20 5370 0.0000879

YAVAPAI 12 8123.5 0.0000349

YUMA 10 5514.4 0.0000428

Arkansas

ARKANSAS 20 988.5 0.0004775

ASHLEY 17 921.4 0.0004354

BAXTER 7 554.4 0.0002980

BENTON 22 843.3 0.0006157

BOONE 7 591.2 0.0002794

BRADLEY 11 650.7 0.0003990

CALHOUN 5 628.3 0.0001878

CARROLL 6 633.8 0.0002234

CHICOT 13 644.1 0.0004763

CLARK 22 865.5 0.0005999

CLAY 6 639.3 0.0002215

CLEBURNE 13 553.1 0.0005547

CLEVELAND 6 597.8 0.0002369

COLUMBIA 18 766.2 0.0005544

CONWAY 20 556.2 0.0008486

CRAIGHEAD 14 710.8 0.0004648

CRAWFORD 11 595.5 0.0004359

CRITTENDEN 9 610.5 0.0003479

CROSS 5 615.9 0.0001916

DALLAS 5 667.5 0.0001768

DESA 14 765 0.0004319

DREW 7 828.2 0.0001995

FAULKNER 29 647.4 0.0010572

FRANKLIN 4 609.6 0.0001549

FULTON 9 618.2 0.0003436

GARLAND 18 678.1 0.0006265

GRANT 9 631.8 0.0003362

GREENE 11 577.6 0.0004494

HEMPSTEAD 14 728.8 0.0004533

HOT SPRING 17 615 0.0006524

HOWARD 17 587.5 0.0006829

INDEPENDENCE 20 763.8 0.0006180

IZARD 11 580.7 0.0004470

JACKSON 22 633.6 0.0008194

JEFFERSON 14 884.8 0.0003734

JOHNSON 18 662.2 0.0006415

LAFAYETTE 3 526.5 0.0001345

LAWRENCE 9 586.6 0.0003621

LEE 8 601.7 0.0003138

LINCOLN 11 561.2 0.0004626

LITTLE RIVER 10 531.8 0.0004438

LOGAN 15 709.9 0.0004987

LONOKE 30 765.5 0.0009249

MADISON 5 837 0.0001410

MARION 8 597.7 0.0003159

MILLER 13 624.1 0.0004916

MISSISSIPPI 27 606.7 0.0010503

MONROE 11 781 0.0003324

MONTGOMERY 4 620 0.0001523

NEVADA 10 823 0.0002868

NEWTON 3 732.5 0.0000967

OUACHITA 9 551 0.0003855

PHILLIPS 12 692.7 0.0004088

PIKE 6 603.1 0.0002348

POINSETT 19 757.8 0.0005917

POLK 12 859.5 0.0003295

POPE 11 812 0.0003197

PRAIRIE 14 646 0.0005115

PULASKI 40 771 0.0012244

RANDOLPH 4 651.9 0.0001448

SALINE 13 633.9 0.0004840

SCOTT 4 724.8 0.0001302

SEARCY 8 893.9 0.0002112

SEBASTIAN 15 667.2 0.0005306

SEVIER 10 536.4 0.0004400

SHARP 5 564 0.0002092

ST. FRANCIS 11 604.4 0.0004295

STONE 9 606.6 0.0003501

UNION 18 1039 0.0004089

VAN BUREN 11 711.6 0.0003648

WASHINGTON 15 950.2 0.0003726

WHITE 27 1034.1 0.0006162

WOODRUFF 20 586.6 0.0008046

YELL 9 927.9 0.0002289

California

ALAMEDA 3 737.5 0.0000960

BUTTE 11 1639.6 0.0001583

CALAVERAS 1 1020.2 0.0000231

CONTRA COSTA 4 720.3 0.0001311

DEL NORTE 6 1007.9 0.0001405

EL DORADO 1 1711.5 0.0000138

Page 3: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

FRESNO 22 5963.2 0.0000871

GLENN 3 1314.9 0.0000538

HUMBOLDT 1 3572.8 0.0000066

IMPERIAL 7 4175.1 0.0000396

KERN 10 8141.6 0.0000290

KINGS 8 1389.5 0.0001359

LOS ANGELES 37 4060 0.0002151

MADERA 7 2138.4 0.0000773

MARIN 1 519.8 0.0000454

MARIPOSA 1 1451.2 0.0000163

MENDOCINO 3 3509.3 0.0000202

MERCED 10 1928.9 0.0001223

MONTEREY 4 3321.9 0.0000284

ORANGE 27 789.7 0.0008069

PLACER 4 1404.4 0.0000672

RIVERSIDE 9 7208.2 0.0000295

SACRAMENTO 5 965.7 0.0001222

SAN BENITO 1 1389.1 0.0000170

SAN BERNARDINO 23 20062.2 0.0000271

SAN DIEGO 19 4204.5 0.0001066

SAN JOAQUIN 15 1399.3 0.0002530

SAN MATEO 3 3304.5 0.0000214

SANTA BARBARA 2 2738.5 0.0000172

SANTA CLARA 5 1291.2 0.0000914

SANTA CRUZ 3 445.7 0.0001589

SISKIYOU 1 6287.3 0.0000038

SOLANO 2 828.2 0.0000570

SONOMA 10 1576.2 0.0001497

STANISLAUS 7 1494.6 0.0001105

TEHAMA 6 2951 0.0000480

TULARE 9 4824.3 0.0000440

VENTURA 3 1845.9 0.0000384

YUBA 1 630.5 0.0000374

Colorado

ADAMS 120 1192 0.0023758

ALAMOSA 10 722.8 0.0003265

ARAPAHOE 70 803.2 0.0020568

ARCHUELTA 1 1349.4 0.0000175

BACA 49 2555.9 0.0004524

BENT 25 1514 0.0003897

BOULDER 10 742.5 0.0003178

CHAFFEE 1 1013.5 0.0000233

CHEYENNE 30 1781.5 0.0003974

CONEJOS 2 1287.3 0.0000367

COSTILLA 5 1227 0.0000962

CROWLEY 12 789 0.0003589

CUSTER 6 738.9 0.0001916

DELTA 1 1142.2 0.0000207

DENVER 12 153.3 0.0018474

DOUGLAS 48 840.2 0.0013483

EL PASO 67 2126.7 0.0007435

ELBERT 52 1850.9 0.0006630

FREMONT 5 1533 0.0000770

GRAND 1 1849.8 0.0000128

HUERFANO 6 1590.9 0.0000890

JACKSON 1 1613.3 0.0000146

JEFFERSON 13 772.2 0.0003973

KIOWA 38 1771.1 0.0005064

KIT CARSON 61 2161 0.0006662

LA PLATA 3 1692.1 0.0000418

LARIMER 28 2601.4 0.0002540

LAS ANIMAS 17 4773 0.0000841

LINCOLN 62 2586.3 0.0005658

LOGAN 63 1838.6 0.0008087

MESA 4 3327.9 0.0000284

MINERAL 1 875.8 0.0000269

MOFFAT 3 4742.5 0.0000149

MONTEZUMA 2 2036.9 0.0000232

MORGAN 53 1285.5 0.0009730

OTERO 18 1262.9 0.0003364

PHILLIPS 30 687.7 0.0010295

PITKIN 1 970.2 0.0000243

PROWERS 46 1640.5 0.0006617

PUEBLO 11 2388.8 0.0001087

RIO BLANCO 1 3221.2 0.0000073

RIO GRANDE 1 912.6 0.0000259

ROUTT 2 2361.8 0.0000200

SAGUACHE 4 3168.7 0.0000298

SEDGEWICK 28 548.3 0.0012052

TELLER 4 557.1 0.0001694

WASHINGTON 87 2521.2 0.0008144

WELD 202 3992.8 0.0011939

YUMA 59 2366.1 0.0005885

Connecticut

FAIRFIELD 9 625.9 0.0003394

HARTFORD 13 735.5 0.0004171

LITCHFIELD 17 920 0.0004361

MIDDLESEX 8 369.3 0.0005112

NEW HAVEN 12 605.8 0.0004675

NEW LONDON 1 666.1 0.0000354

TOLLAND 9 410.1 0.0005179

WINDHAM 3 512.8 0.0001381

Page 4: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

Delaware

KENT 17 590.7 0.0006792

NEW CASTLE 24 426.3 0.0013286

SUSSEX 18 937.7 0.0004530

Florida

ALUCHUA 34 874.3 0.0009178

BAKER 8 585.2 0.0003226

BAY 57 763.7 0.0017614

BRADFORD 13 293.2 0.0010464

BREVARD 93 1018.5 0.0021549

BROWARD 100 1208.9 0.0019522

CALHOUN 15 567.4 0.0006239

CHARLOTTE 34 693.7 0.0011567

CITRUS 40 583.6 0.0016175

CLAY 17 601.1 0.0006674

COLLIER 42 2025.5 0.0004894

COLUMBIA 18 797.2 0.0005329

DE SOTO 29 1944.7 0.0003519

DIXIE 3 637.3 0.0001111

DUVAL 51 704.1 0.0017094

ESCAMBIA 72 773.9 0.0021956

FLAGLER 12 663.6 0.0004268

FRANKLIN 33 485 0.0016058

GADSDEN 25 534 0.0011049

GILCHRIST 3 516.2 0.0001372

GLADES 13 348.9 0.0008793

GULF 22 773.5 0.0006712

HAMILTON 7 565.1 0.0002923

HARDEE 10 514.9 0.0004583

HENDRY 19 637.4 0.0007035

HERNANDO 31 1152.7 0.0006347

HIGHLANDS 38 478.3 0.0018750

HILLSBOROUGH 120 1028.5 0.0027535

HOLMES 10 1051 0.0002245

INDIAN RIVER 15 482.5 0.0007337

JACKSON 28 503.2 0.0013132

JEFFERSON 8 915.8 0.0002062

LAFAYETTE 7 597.8 0.0002763

LAKE 44 542.8 0.0019130

LEE 89 953.1 0.0022038

LEON 15 803.6 0.0004405

LEVY 16 666.8 0.0005663

LIBERTY 16 1118.4 0.0003376

MADISON 13 835.9 0.0003670

MANATEE 69 692 0.0023532

MARION 43 741.2 0.0013691

MARTIN 23 1579 0.0003438

MIAMI-DADE 109 555.7 0.0046291

MONROE 49 997.3 0.0011595

NASSAU 20 651.6 0.0007244

OKALOOSA 74 935.8 0.0018662

OKEECHOBEE 18 774.3 0.0005486

ORANGE 53 907.6 0.0013781

OSCEOLA 26 1322 0.0004641

PALM BEACH 124 2034.3 0.0014385

PASCO 70 745 0.0022174

PINELLAS 109 280.2 0.0091806

POLK 127 1874.9 0.0015986

PUTNAM 34 722.2 0.0011110

SANTA ROSA 45 609 0.0017438

SARASOTA 68 572.5 0.0028031

SEMINOLE 24 1015.8 0.0005576

ST. JOHNS 30 571.8 0.0012382

ST. LUCIE 28 308.2 0.0021441

SUMTER 11 545.7 0.0004757

SUWANNEE 33 687.7 0.0011325

TAYLOR 10 1041.9 0.0002265

UNION 3 240.3 0.0002946

VOLUSIA 80 1105.9 0.0017072

WAKULLA 13 606.7 0.0005057

WALTON 36 1057.7 0.0008033

WASHINGTON 20 579.9 0.0008139

Georgia

APPLING 10 508.8 0.0004638

ATKINSON 4 338.1 0.0002792

BACON 9 285 0.0007453

BAKER 2 343.2 0.0001375

BALDWIN 3 258.5 0.0002739

BANKS 5 233.7 0.0005049

BARROW 3 162.2 0.0004365

BARTOW 15 459.9 0.0007697

BEN HILL 11 251.8 0.0010310

BERRIEN 10 452.5 0.0005215

BIBB 11 250 0.0010384

BLECKLEY 11 217.4 0.0011941

BRANTLEY 3 444.4 0.0001593

BROOKS 8 493.7 0.0003824

BRYAN 5 441.8 0.0002671

BULLOCH 8 682.6 0.0002766

BURKE 4 830.6 0.0001137

BUTTS 1 186.6 0.0001265

CALHOUN 6 280.2 0.0005054

CAMDEN 10 629.9 0.0003747

CANDLER 5 247 0.0004777

CHATHAM 19 440.4 0.0010182

CHATTAHOOCHEE 4 248.8 0.0003794

Page 5: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

CHATTOOGA 2 313.8 0.0001504

CHEROKEE 12 423.7 0.0006684

CLARKE 6 120.8 0.0011722

CLAY 2 195.2 0.0002418

CLAYTON 7 142.6 0.0011585

CLINCH 2 809.4 0.0000583

COBB 21 340.2 0.0014568

COFFEE 13 599.1 0.0005121

COLQUITT 21 552.3 0.0008973

COLUMBIA 3 290 0.0002441

COOK 9 229.1 0.0009271

COWETA 11 443.1 0.0005859

CRAWFORD 5 325.1 0.0003630

CRISP 3 273.8 0.0002586

DADE 2 173.9 0.0002714

DAWSON 3 211 0.0003355

DE KALB 9 268.3 0.0007917

DECATUR 19 596.8 0.0007513

DODGE 6 500.6 0.0002829

DOOLY 12 393 0.0007206

DOUGHERTY 15 329.7 0.0010737

DOUGLAS 7 199.3 0.0008289

EARLY 14 511.3 0.0006462

ECHOLS 3 404.2 0.0001752

EFFINGHAM 8 479.5 0.0003937

ELBERT 6 368.8 0.0003839

EMANUEL 5 686 0.0001720

EVANS 2 185 0.0002551

FANNIN 5 385.8 0.0003059

FAYETTE 2 197.4 0.0002391

FLOYD 11 513.3 0.0005057

FORSYTH 4 225.8 0.0004181

FRANKLIN 5 263.3 0.0004482

FULTON 19 528.7 0.0008481

GILMER 7 426.7 0.0003872

GLYNN 14 422.4 0.0007822

GORDON 6 355.2 0.0003986

GRADY 12 458.2 0.0006181

GREENE 2 388.4 0.0001215

GWINNETT 10 432.9 0.0005452

HABERSHAM 12 278.2 0.0010180

HALL 19 393.7 0.0011389

HANCOCK 1 473.3 0.0000499

HARALSON 16 282.2 0.0013381

HARRIS 15 463.8 0.0007633

HART 4 232.2 0.0004065

HEARD 3 296.1 0.0002391

HENRY 10 322.7 0.0007313

HOUSTON 16 376.8 0.0010021

IRWIN 5 356.8 0.0003307

JACKSON 5 342.4 0.0003446

JASPER 2 370.5 0.0001274

JEFF DAVIS 4 333.4 0.0002831

JEFFERSON 9 527.7 0.0004025

JENKINS 5 349.8 0.0003373

JOHNSON 2 304.4 0.0001551

JONES 5 393.8 0.0002996

LAMAR 6 184.8 0.0007662

LANIER 3 186.8 0.0003790

LAURENS 9 812.6 0.0002614

LEE 8 355.8 0.0005306

LIBERTY 5 519.1 0.0002273

LINCOLN 5 211.1 0.0005590

LONG 2 401 0.0001177

LOWNDES 14 504.3 0.0006552

LUMPKIN 5 284.5 0.0004148

MACON 6 403.3 0.0003511

MADISON 4 284.4 0.0003319

MARION 7 367.1 0.0004500

MCDUFFIE 2 259.8 0.0001817

MCINTOSH 3 433.5 0.0001633

MERIWETHER 9 503.4 0.0004219

MILLER 4 283.1 0.0003335

MITCHELL 19 512 0.0008758

MONROE 8 395.7 0.0004771

MONTGOMERY 4 245.3 0.0003848

MORGAN 3 349.7 0.0002025

MURRAY 11 344.4 0.0007538

MUSCOGEE 10 216.3 0.0010911

NEWTON 5 276.4 0.0004269

OCONEE 10 185.8 0.0012702

OGELTHORPE 6 441.1 0.0003210

PAULDING 6 313.6 0.0004515

PEACH 6 151.1 0.0009371

PICKENS 4 232.1 0.0004067

PIERCE 9 343 0.0006192

PIKE 4 218.4 0.0004322

POLK 5 311.2 0.0003792

PULASKI 10 247.4 0.0009539

PUTNAM 1 344.5 0.0000685

QUITMAN 1 151.6 0.0001557

RABUN 4 371.1 0.0002544

RANDOLPH 6 429.3 0.0003298

RICHMOND 7 324.1 0.0005097

ROCKDALE 4 130.7 0.0007223

SCHLEY 5 167.6 0.0007041

SCREVEN 12 648.5 0.0004367

SEMINOLE 5 238.1 0.0004956

Page 6: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

SPALDING 8 198 0.0009535

STEPHENS 7 179.3 0.0009214

STEWART 6 458.7 0.0003087

SUMTER 16 485.3 0.0007781

TALBOT 4 393.2 0.0002401

TATNALL 9 483.7 0.0004391

TAYLOR 8 377.5 0.0005001

TELFAIR 7 441.2 0.0003744

TERRELL 6 335.5 0.0004221

THOMAS 9 548.4 0.0003873

TIFT 16 265.1 0.0014244

TOOMBS 6 366.7 0.0003861

TOWNS 1 166.5 0.0001417

TREUTLEN 3 200.7 0.0003528

TROUP 11 413.9 0.0006272

TURNER 5 286.1 0.0004124

TWIGGS 9 360.4 0.0005893

UNION 3 322.7 0.0002194

UPSON 5 325.5 0.0003625

WALKER 7 446.3 0.0003702

WALTON 9 329.3 0.0006450

WARE 10 902.6 0.0002615

WARREN 2 285.5 0.0001653

WASHINGTON 6 680.5 0.0002081

WAYNE 5 644.7 0.0001830

WEBSTER 2 209.6 0.0002252

WHEELER 4 297.7 0.0003171

WHITE 4 241.6 0.0003907

WHITFIELD 5 290 0.0004069

WILCOX 4 380.4 0.0002482

WILKES 2 471.4 0.0001001

WILKINSON 1 446.6 0.0000528

WORTH 21 569.8 0.0008698

Hawaii

HAWAII 10 4028.2 0.0000586

HONOLULU 17 600.2 0.0006684

KAUAI 5 622.5 0.0001896

MAUI 3 1159.3 0.0000611

Idaho

ADA 12 1055 0.0002684

ADAMS 3 1364.7 0.0000519

BANNOCK 5 1113.2 0.0001060

BEAR LAKE 1 776 0.0000304

BINGHAM 15 2094.8 0.0001690

BLAINE 6 2644.9 0.0000535

BONNER 4 1737.6 0.0000543

BONNEVILLE 5 1868.6 0.0000631

BUTTE 7 2232.9 0.0000740

CAMAS 4 1075 0.0000878

CANYON 6 589.8 0.0002401

CARIBOU 1 1766.1 0.0000134

CASSIA 5 2566.6 0.0000460

CLARK 5 1764.7 0.0000669

ELMORE 2 3077.8 0.0000153

FRANKLIN 4 665.5 0.0001418

FREMONT 3 1866.8 0.0000379

GEM 4 562.6 0.0001678

GOODING 6 730.8 0.0001938

IDAHO 2 8485.2 0.0000056

JEFFERSON 13 1095.1 0.0002802

JEROME 4 599.9 0.0001574

KOOTENAI 2 1245.2 0.0000379

LATAH 4 1076.7 0.0000877

LEMHI 3 4564.3 0.0000155

LINCOLN 4 1205.6 0.0000783

MADISON 6 471.6 0.0003003

MINIDOKA 5 759.7 0.0001553

NEZ PERCE 3 849.1 0.0000834

ONEIDA 3 1200.4 0.0000590

OWYHEE 2 7678.4 0.0000061

PAYETTE 2 407.5 0.0001158

POWER 16 1405.7 0.0002686

SHOSHONE 1 2634 0.0000090

TETON 1 450.4 0.0000524

TWIN FALLS 9 1925.1 0.0001103

WASHINTON 3 1456.4 0.0000486

Illinois

ADAMS 17 856.7 0.0004683

ALEXANDER 9 236.4 0.0008985

BOND 7 380.2 0.0004345

BOONE 5 281.4 0.0004193

BROWN 6 305.7 0.0004632

BUREAU 21 868.6 0.0005706

CALHOUN 5 253.8 0.0004649

CARROLL 11 444.2 0.0005844

CASS 6 376 0.0003766

CHAMPAIGN 41 997.2 0.0009703

CHRISTIAN 25 709.1 0.0008320

CLARK 8 501.5 0.0003765

CLAY 9 469.3 0.0004526

CLINTON 10 474.3 0.0004976

COLES 25 508.3 0.0011607

Page 7: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

COOK 41 945.7 0.0010232

CRAWFORD 14 443.6 0.0007448

CUMBERLAND 7 346 0.0004775

DE KALB 7 634.2 0.0002605

DE WITT 10 397.6 0.0005936

DOUGLAS 18 416.9 0.0010189

DU PAGE 20 334.4 0.0014115

EDGAR 21 623.6 0.0007947

EDWARDS 5 222.4 0.0005306

EFFINGHAM 16 478.7 0.0007888

FAYETTE 7 716.5 0.0002306

FORD 19 485.9 0.0009228

FRANKLIN 6 412.1 0.0003436

FULTON 30 865.7 0.0008178

GALLATIN 5 323.7 0.0003645

GREENE 10 543.1 0.0004345

GRUNDY 9 420.1 0.0005056

HAMILTON 9 435.2 0.0004881

HANCOCK 21 794.7 0.0006236

HARDIN 3 178.3 0.0003971

HENDERSON 10 378.8 0.0006230

HENRY 35 823.3 0.0010033

IROQUOIS 30 1116.5 0.0006341

JACKSON 17 588.1 0.0006822

JASPER 10 494.4 0.0004773

JEFFERSON 13 571.1 0.0005372

JERSEY 9 369.2 0.0005753

JO DAVIESS 7 601.2 0.0002748

JOHNSON 8 346 0.0005457

KANE 14 520.7 0.0006345

KANKAKEE 20 677.5 0.0006967

KENDALL 9 320.7 0.0006623

KNOX 18 716.3 0.0005930

LA SALLE 26 1135 0.0005406

LAKE 15 447.8 0.0007905

LAWRENCE 7 372 0.0004441

LEE 19 725.4 0.0006181

LIVINGSTON 20 1043.8 0.0004522

LOGAN 33 618.2 0.0012598

MCDONOUGH 22 589.3 0.0008810

MCHENRY 12 604.1 0.0004688

MCLEAN 84 1183.6 0.0016749

MACON 40 580.6 0.0016259

MACOUPIN 15 863.7 0.0004099

MADISON 33 725.1 0.0010741

MARION 15 572.3 0.0006186

MARSHALL 3 386.1 0.0001834

MASON 24 539 0.0010508

MASSAC 2 239.1 0.0001974

MENARD 4 314.3 0.0003003

MERCER 15 561.1 0.0006309

MONROE 20 388.3 0.0012156

MONTGOMERY 23 703.8 0.0007712

MORGAN 17 568.8 0.0007053

MOUNTRIE 4 335.6 0.0002813

OGLE 16 758.9 0.0004976

PEORIA 14 619.6 0.0005332

PERRY 10 441 0.0005351

PIATT 18 440 0.0009655

PIKE 13 830.3 0.0003695

POPE 5 370.9 0.0003181

PULASKI 3 200.8 0.0003526

PUTNAM 6 159.8 0.0008861

RANDOLPH 24 578.4 0.0009793

RICHLAND 8 360.2 0.0005242

ROCK ISLAND 15 426.8 0.0008294

SALINE 7 663.9 0.0002488

SANGAMON 45 383.3 0.0027707

SCHUYLER 13 868.3 0.0003533

SCOTT 8 437.4 0.0004316

SHELBY 17 251 0.0015984

ST. CLAIR 28 758.6 0.0008711

STARK 6 287.9 0.0004918

STEPHENSON 8 564.3 0.0003346

TAZEWELL 35 648.9 0.0012729

UNION 10 416.2 0.0005670

VERMILION 29 899.1 0.0007612

WABASH 11 223.5 0.0011615

WARREN 20 542.6 0.0008699

WASHINGTON 13 562.7 0.0005452

WAYNE 14 713.9 0.0004628

WHITE 9 494.9 0.0004292

WHITESIDE 16 684.8 0.0005514

WILL 43 837.3 0.0012120

WILLIAMSON 6 424.2 0.0003338

WINNEBAGO 7 513.8 0.0003215

WOODFORD 22 528 0.0009833

Indiana

ADAMS 14 339.4 0.0009735

ALLEN 21 657.3 0.0007540

BARTHOLOMEW 17 406.9 0.0009860

BENTON 12 406.3 0.0006970

BLACKFORD 2 165.1 0.0002859

BOONE 21 422.7 0.0011725

BROWN 4 312.3 0.0003023

CARROLL 10 372.3 0.0006339

Page 8: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

CASS 14 412.9 0.0008002

CLARK 12 375.2 0.0007548

CLAY 4 357.6 0.0002640

CLINTON 12 405.1 0.0006991

CRAWFORD 5 305.7 0.0003860

DAVIESS 15 430.7 0.0008219

DE KALB 11 305.2 0.0008506

DEARBORN 10 372.6 0.0006334

DECATUR 14 362.9 0.0009104

DELAWARE 14 393.3 0.0008401

DUBOIS 9 430.1 0.0004938

ELKHART 24 463.8 0.0012212

FAYETTE 8 215 0.0008781

FLOYD 3 148 0.0004784

FOUNTAIN 5 395.7 0.0002982

FRANKLIN 6 386 0.0003668

FULTON 10 368.5 0.0006404

GIBSON 12 488.9 0.0005793

GRANT 15 414 0.0008551

GREENE 6 542.1 0.0002612

HAMILTON 21 398 0.0012452

HANCOCK 16 306.2 0.0012332

HARRISON 13 485.3 0.0006322

HENDRICKS 18 408.4 0.0010402

HENRY 18 393 0.0010809

HOWARD 12 293.1 0.0009662

HUNTINGTON 12 382.6 0.0007402

JACKSON 14 509.3 0.0006487

JASPER 17 559.9 0.0007166

JAY 9 383.7 0.0005536

JEFFERSON 12 361.4 0.0007836

JENNINGS 7 377.3 0.0004378

JOHNSON 12 320.2 0.0008844

KNOX 20 515.9 0.0009149

KOSCIUSKO 18 537.5 0.0007903

LA PORTE 17 379.6 0.0010569

LAGRANGE 12 497 0.0005698

LAKE 19 598.3 0.0007495

LAWRENCE 12 448.9 0.0006309

MADISON 19 452.2 0.0009916

MARION 34 396.4 0.0020242

MARSHALL 19 444.3 0.0010092

MARTIN 6 336.2 0.0004212

MIAMI 9 375.8 0.0005652

MONROE 12 394.4 0.0007181

MONTGOMERY 16 504.6 0.0007483

MORGAN 13 406.5 0.0007547

NEWTON 10 401.9 0.0005872

NOBLE 10 411.1 0.0005741

OHIO 2 86.7 0.0005444

ORANGE 8 399.6 0.0004725

OWEN 10 385.2 0.0006127

PARKE 8 444.8 0.0004245

PERRY 4 381.4 0.0002475

PIKE 16 336.2 0.0011231

PORTER 18 418.2 0.0010158

POSEY 5 408.5 0.0002889

Page 9: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

PULASKI 14 433.7 0.0007618

PUTNAM 13 480.3 0.0006388

RANDOLPH 17 452.9 0.0008858

RIPLEY 11 446.4 0.0005815

RUSH 11 408.3 0.0006358

SCOTT 9 457.3 0.0004645

SHELBY 24 190.4 0.0029748

SPENCER 5 412.7 0.0002859

ST. JOSEPH 18 398.7 0.0010655

STARKE 12 309.3 0.0009156

STEUBEN 11 308.7 0.0008409

SULLIVAN 9 447.2 0.0004750

SWITZERLAND 6 221.2 0.0006401

TIPPECANOE 28 499.8 0.0013221

TIPTON 12 260.4 0.0010876

UNION 2 161.6 0.0002921

VANDERBURGH 15 234.6 0.0015090

VERMILLION 11 256.9 0.0010105

VIGO 14 403.3 0.0008192

WABASH 10 413.2 0.0005712

WARREN 8 364.9 0.0005174

WARRICK 9 384.1 0.0005530

WASHINGTON 14 514.5 0.0006422

WAYNE 16 403.6 0.0009356

WELLS 12 370 0.0007654

WHITE 12 505.3 0.0005605

WHITLEY 10 335.5 0.0007034

Iowa

ADAIR 18 569.3 0.0007462

ADAMS 8 423.6 0.0004457

ALLAMAKEE 7 639.6 0.0002583

APPANOOSE 13 496.3 0.0006182

AUDOBON 7 443.2 0.0003727

BENTON 12 716.5 0.0003953

BLACKHAWK 22 567.4 0.0009151

BOONE 27 571.5 0.0011150

BREMER 18 437.9 0.0009701

BUCHANAN 19 571.3 0.0007849

BUENA VISTA 11 574.8 0.0004516

BUTLER 12 580.4 0.0004879

CALHOUN 18 570.2 0.0007450

CARROLL 15 569.3 0.0006218

CASS 23 564.3 0.0009619

CEDAR 29 579.6 0.0011808

CERRO GORDO 19 568.4 0.0007889

CHEROKEE 16 577.2 0.0006542

CHICKASAW 22 504.7 0.0010287

CLARKE 10 431.2 0.0005473

CLAY 15 568.9 0.0006223

CLAYTON 10 778.8 0.0003030

CLINTON 25 695 0.0008489

CRAWFORD 23 714.4 0.0007598

DALLAS 33 586.5 0.0013279

DAVIS 13 503.3 0.0006096

DECATUR 14 532.3 0.0006207

DELAWARE 20 577.9 0.0008168

DES MOINES 15 416.2 0.0008506

DICKINSON 18 381.1 0.0011147

DUBUQUE 20 608.2 0.0007761

EMMET 14 395.8 0.0008348

FAYETTE 18 731 0.0005811

FLOYD 13 500.6 0.0006129

FRANKLIN 12 582.5 0.0004862

FREMONT 21 511.3 0.0009693

GREENE 9 568.4 0.0003737

GRUNDY 15 502.6 0.0007043

GUTHRIE 11 590.6 0.0004396

HAMILTON 22 576.7 0.0009003

HANCOCK 21 571.1 0.0008678

HARDIN 20 569.3 0.0008291

HARRISON 14 696.9 0.0004741

HENRY 9 434.5 0.0004888

HOWARD 21 473.4 0.0010469

HUMBOLDT 12 434.4 0.0006519

IDA 8 431.7 0.0004373

IOWA 23 586.5 0.0009255

JACKSON 12 636.1 0.0004452

JASPER 16 730 0.0005173

JEFFERSON 9 435.4 0.0004878

JOHNSON 20 614.5 0.0007681

JONES 18 575.4 0.0007383

KEOKUK 17 579.2 0.0006927

KOSSUTH 28 973.1 0.0006791

LEE 21 517.4 0.0009579

LINN 32 717.5 0.0010525

LOUISA 10 401.9 0.0005872

LUCAS 6 430.6 0.0003288

LYON 24 587.6 0.0009639

MADISON 11 561.2 0.0004626

MAHASKA 13 570.9 0.0005374

MARION 17 554.3 0.0007238

MARSHALL 20 572.4 0.0008246

MILLS 10 436.6 0.0005405

MITCHELL 8 469 0.0004026

MONONA 17 693.2 0.0005788

MONROE 7 433.4 0.0003812

Page 10: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

MONTGOMERY 18 423.9 0.0010021

MUSCATINE 25 438.7 0.0013449

O'BRIEN 14 573.1 0.0005765

OSCEOLA 13 398.8 0.0007693

PAGE 28 534.9 0.0012354

PALO ALTO 19 563.9 0.0007952

PLYMOUTH 40 863.6 0.0010931

POCAHONTAS 19 577.7 0.0007762

POLK 40 569.5 0.0016576

POTTAWATTAMIE 27 954.3 0.0006677

POWESHIEK 20 585.1 0.0008067

RINGGOLD 13 537.7 0.0005706

SAC 9 575.8 0.0003689

SCOTT 38 457.9 0.0019585

SHELBY 14 590.9 0.0005591

SIOUX 18 767.9 0.0005532

STORY 35 572.9 0.0014418

TAMA 29 721.4 0.0009487

TAYLOR 25 534 0.0011049

UNION 17 424.4 0.0009453

VAN BUREN 13 485.3 0.0006322

WAPELLO 19 431.8 0.0010384

WARREN 25 571.7 0.0010320

WASHINGTON 11 568.8 0.0004564

WAYNE 23 525.6 0.0010327

WEBSTER 22 715.3 0.0007258

WINNEBAGO 15 400.5 0.0008839

WINNESHIEK 15 689.7 0.0005133

WOODBURY 33 872.7 0.0008924

WORTH 16 400 0.0009440

WRIGHT 20 580.8 0.0008127

Kansas

ALLEN 15 503.1 0.0007036

ANDERSON 10 583 0.0004048

ATCHISON 17 432.4 0.0009278

BARBER 22 1134.2 0.0004578

BARTON 43 894 0.0011351

BOURBON 12 637.1 0.0004445

BROWN 31 570.7 0.0012819

BUTLER 54 1428.2 0.0008923

CHASE 29 775.9 0.0008821

CHAUTAUQUA 11 641.7 0.0004046

CHEROKEE 25 587.2 0.0010048

CHEYENNE 22 1019.9 0.0005091

CLARK 12 974.7 0.0002906

CLAY 27 643.9 0.0009896

CLOUD 37 715.7 0.0012201

COFFEY 18 630.3 0.0006740

COMANCHE 18 788.4 0.0005388

COWLEY 41 1126.3 0.0008591

CRAWFORD 28 593 0.0011143

DECATUR 30 893.6 0.0007923

DICKINSON 28 848.4 0.0007789

DONIPHAN 12 392.2 0.0007221

DOUGLAS 25 457 0.0012910

EDWARDS 11 622.1 0.0004173

ELK 18 647.9 0.0006557

ELLIS 34 900 0.0008916

ELLSWORTH 30 715.9 0.0009890

FINNEY 64 1300.2 0.0011617

FORD 44 1098.6 0.0009452

FRANKLIN 21 573.9 0.0008636

GEARY 10 384.3 0.0006141

GOVE 18 1071.5 0.0003965

GRAHAM 22 898.3 0.0005780

GRANT 11 574.9 0.0004516

GRAY 18 868.9 0.0004889

GREELEY 18 778.1 0.0005459

GREENWOOD 28 1139.8 0.0005798

HAMILTON 19 996.5 0.0004500

HARPER 31 801.5 0.0009128

HARVEY 42 539.4 0.0018376

HASKELL 19 577.4 0.0007766

HODGEMAN 33 860 0.0009056

JACKSON 25 656.9 0.0008982

JEFFERSON 28 536.2 0.0012324

JEWELL 26 909.2 0.0006749

JOHNSON 27 476.8 0.0013364

KEARNY 25 870 0.0006782

KINGMAN 29 863.7 0.0007924

KIOWA 17 722.4 0.0005554

LABETTE 20 648.9 0.0007274

LANE 12 717.3 0.0003948

LEAVENWORTH 21 463.3 0.0010697

LINCOLN 12 718.9 0.0003939

LINN 8 598.8 0.0003153

LOGAN 12 1073.1 0.0002639

LYON 35 851 0.0009706

MARION 36 899.8 0.0009442

MARSHALL 26 943.2 0.0006506

MCPHERSON 36 902.6 0.0009413

MEADE 25 978.5 0.0006030

MIAMI 14 576.8 0.0005728

MITCHELL 33 699.9 0.0011127

MONTGOMERY 23 645.3 0.0008412

MORRIS 23 697.4 0.0007783

Page 11: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

MORTON 14 730 0.0004526

NEMAHA 25 719.1 0.0008205

NEOSHO 20 571.9 0.0008253

NESS 22 1074.8 0.0004831

NORTON 17 877.9 0.0004570

OSAGE 28 703.6 0.0009392

OSBORNE 32 892.6 0.0008461

OTTAWA 14 721.2 0.0004581

PAWNEE 25 754.2 0.0007823

PHILLIPS 30 886.3 0.0007988

POTTAWATOMIE 23 844.3 0.0006429

PRATT 39 735 0.0012522

RAWLINS 33 1069.7 0.0007281

RENO 46 1254.5 0.0008654

REPUBLIC 22 716.5 0.0007246

RICE 27 726.6 0.0008770

RILEY 15 609.6 0.0005807

ROOKS 27 888.4 0.0007172

RUSH 17 718.2 0.0005586

RUSSELL 26 884.7 0.0006936

SALINE 25 719.6 0.0008199

SCOTT 30 717.6 0.0009866

SEDGWICK 71 1000.2 0.0016753

SEWARD 22 639.6 0.0008118

SHAWNEE 36 549.9 0.0015450

SHERIDAN 14 896.4 0.0003686

SHERMAN 69 1055.9 0.0015422

SMITH 27 895.5 0.0007116

STAFFORD 38 792.1 0.0011322

STANTON 18 680.1 0.0006246

STEVENS 20 727.6 0.0006487

SUMNER 49 1181.9 0.0009784

THOMAS 36 1074.9 0.0007904

TREGO 23 888.4 0.0006110

WABAUNSEE 25 797.5 0.0007398

WALLACE 19 914.1 0.0004905

WASHINGTON 18 898.5 0.0004728

WICHITA 21 718.6 0.0006897

WILSON 8 573.9 0.0003290

WOODSON 8 500.7 0.0003771

WYANDOTTE 8 151.4 0.0012470

Kentucky

ADAIR 7 406.9 0.0004060

ALLEN 2 346.1 0.0001364

ANDERSON 7 202.7 0.0008150

BALLARD 4 251.2 0.0003758

BARREN 10 491 0.0004807

BATH 2 279.4 0.0001689

BELL 4 360.8 0.0002616

BOONE 14 246.3 0.0013415

BOURBON 1 291.4 0.0000810

BOYD 3 160.2 0.0004419

BOYLE 5 181.6 0.0006498

BRACKEN 3 203.2 0.0003484

BREATHITT 1 495.2 0.0000477

BRECKINRIDGE 4 572.4 0.0001649

BULLITT 6 299.1 0.0004734

BUTLER 4 428.1 0.0002205

CALDWELL 5 347 0.0003401

CALLOWAY 15 386.3 0.0009164

CAMPBELL 2 151.6 0.0003113

CARROLL 7 130.1 0.0012698

CARTER 1 410.6 0.0000575

CASEY 2 445.6 0.0001059

CHRISTIAN 7 721.4 0.0002290

CLARK 4 254.3 0.0003712

CLAY 6 471 0.0003006

CLINTON 6 197.5 0.0007170

CRITTENDEN 4 362.2 0.0002606

CUMBERLAND 4 305.8 0.0003087

DAVIESS 8 462.4 0.0004083

EDMONSON 2 302.6 0.0001560

ELLIOTT 1 234 0.0001009

ESTILL 3 254 0.0002787

FAYETTE 7 284.5 0.0005807

FLEMING 6 351.1 0.0004033

FLOYD 1 394.3 0.0000599

FRANKLIN 6 210.5 0.0006727

FULTON 3 209 0.0003388

GALLATIN 1 98.8 0.0002389

GARRARD 4 231.2 0.0004083

GRANT 1 259.9 0.0000908

GRAVES 5 555.7 0.0002123

GRAYSON 7 503.7 0.0003280

GREEN 6 288.7 0.0004905

GREENUP 4 346.2 0.0002727

HANCOCK 5 188.8 0.0006250

HARDIN 11 628 0.0004134

HARRISON 3 309.7 0.0002286

HART 10 416 0.0005673

HENDERSON 10 440.2 0.0005361

HENRY 9 289.3 0.0007342

HICKMAN 2 244.5 0.0001930

HOPKINS 4 550.6 0.0001714

JACKSON 1 346.3 0.0000681

JEFFERSON 8 385.1 0.0004903

Page 12: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

JESSAMINE 4 173.2 0.0005450

JOHNSON 1 261.6 0.0000902

KENTON 6 162.6 0.0008708

LARUE 5 263.4 0.0004480

LAUREL 12 435.7 0.0006500

LEE 2 209.9 0.0002249

LESLIE 1 404 0.0000584

LETCHER 2 339.1 0.0001392

LEWIS 3 484.5 0.0001461

LINCOLN 7 336.6 0.0004908

LIVINGSTON 2 316.1 0.0001493

LOGAN 12 555.7 0.0005096

LYON 1 215.8 0.0001094

MCCRACKEN 8 251.1 0.0007519

MCCREARY 9 427.7 0.0004966

MCLEAN 1 254.3 0.0000928

MADISON 10 440.7 0.0005355

MARION 4 346.7 0.0002723

MARSHALL 5 304.9 0.0003870

MASON 4 241.1 0.0003915

MEADE 4 308.5 0.0003060

MENIFEE 3 203.9 0.0003472

MERCER 9 250.9 0.0008466

METCALFE 9 290.9 0.0007301

MONROE 2 330.8 0.0001427

MONTGOMERY 3 198.6 0.0003565

MORGAN 2 381.3 0.0001238

MUHLENBERG 9 474.7 0.0004474

NELSON 6 422.7 0.0003350

NICHOLAS 1 196.6 0.0001200

OHIO 6 593.8 0.0002385

OLDHAM 5 189.2 0.0006237

OWEN 2 352.2 0.0001340

OWSLEY 1 198.1 0.0001191

PENDLETON 4 280 0.0003371

PERRY 1 342.2 0.0000690

PIKE 1 787.7 0.0000300

POWELL 6 180.1 0.0007862

PULASKI 14 661.6 0.0004994

ROBERTSON 1 100.1 0.0002358

ROCKCASTLE 6 317.5 0.0004460

ROWAN 2 280.8 0.0001681

RUSSELL 6 253.5 0.0005586

SCOTT 10 285.2 0.0008275

SHELBY 10 384.2 0.0006143

SIMPSON 9 236.2 0.0008992

SPENCER 4 185.9 0.0005078

TAYLOR 6 269.8 0.0005248

TODD 5 376.4 0.0003135

TRIGG 5 443.4 0.0002661

TRIMBLE 4 148.9 0.0006340

UNION 9 345.1 0.0006155

WARREN 18 545.2 0.0007792

WASHINGTON 5 300.6 0.0003925

WAYNE 6 459.4 0.0003082

WEBSTER 5 334.7 0.0003526

WHITLEY 3 440.2 0.0001608

WOODFORD 7 190.7 0.0008663

Louisiana

ACADIA 45 655.3 0.0016206

ALLEN 12 764.6 0.0003704

ASCENSION 8 291.6 0.0006475

ASSUMPTION 14 338.7 0.0009755

AVOYELLES 23 832.5 0.0006520

BEAUREGARD 26 1160.2 0.0005289

BIENVILLE 22 810.7 0.0006404

BOSSIER 41 838.5 0.0011540

CADDO 55 882.1 0.0014715

CALCASIEU 70 1071.2 0.0015422

CALDWELL 8 529.5 0.0003566

CAMERON 44 1313 0.0007909

CATAHOULA 15 703.7 0.0005031

CLAIBORNE 19 754.7 0.0005941

CONCORDIA 20 696.4 0.0006778

DE SOTO 39 877.3 0.0010491

EAST BATON ROUGE 30 455.7 0.0015537

EAST CARROLL 23 421.5 0.0012878

EAST FELINCIANA 11 453.4 0.0005726

EVANGELINE 21 664.3 0.0007460

FRANKLIN 21 623.4 0.0007950

GRANT 15 645.1 0.0005488

IBERIA 19 575.2 0.0007796

IBERVILLE 10 618.7 0.0003814

JACKSON 21 570 0.0008695

JEFFERSON 28 305.9 0.0021602

JEFFERSON DAVIS 31 652.4 0.0011214

LA SALLE 9 269.9 0.0007870

LAFAYETTE 27 1084.8 0.0005874

LAFOURCHE 26 623.9 0.0009835

LINCOLN 16 471.4 0.0008010

LIVINGSTON 20 648.1 0.0007283

MADISON 38 624.1 0.0014369

MOREHOUSE 27 794.3 0.0008022

NATCHITOCHES 29 1256.4 0.0005447

ORLEANS 12 180.6 0.0015681

OUACHITA 31 611 0.0011974

Page 13: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

PLAQUEMINES 19 844.6 0.0005309

POINTE COUPEE 11 557.4 0.0004657

RAPIDES 37 1322.7 0.0006602

RED RIVER 10 388.6 0.0006073

RICHLAND 20 558.5 0.0008451

SABINE 17 865.3 0.0004637

ST. BERNARD 6 465.2 0.0003044

ST. CHARLES 8 283.7 0.0006655

ST. HELENA 8 408.4 0.0004623

ST. JOHN THE BAPTIST 11 246.1 0.0010549

ST. LANDRY 34 218.9 0.0036656

ST. MARTIN 12 928.7 0.0003049

ST. MARY 17 739.9 0.0005422

ST. TAMMANY 26 612.9 0.0010011

TANGIPAHOA 39 854.4 0.0010772

TENSAS 20 790.3 0.0005972

TERREBONNE 21 602.5 0.0008226

UNION 25 1255.1 0.0004701

VERMILION 29 877.7 0.0007798

VERNON 27 1173.9 0.0005428

WASHINGTON 17 1328.5 0.0003020

WEBSTER 32 669.6 0.0011278

WEST BATON ROUGE 10 595.9 0.0003960

WEST CARROLL 17 191.2 0.0020983

WEST FELICIANA 7 359.4 0.0004597

WINN 18 406 0.0010463

Maine

AROOSTOOK 15 6671.9 0.0000531

CUMBERLAND 5 835.6 0.0001412

FRANKLIN 4 1698 0.0000556

HANCOCK 1 1589.1 0.0000149

KENNEBEC 11 867.5 0.0002993

KNOX 1 365.6 0.0000646

LINCOLN 2 455.6 0.0001036

OXFORD 8 2078.2 0.0000908

PENOBSCOTT 10 3396 0.0000695

PISCATAQUIS 3 3966.5 0.0000178

SOMERSET 10 3926.8 0.0000601

WALDO 33 729.8 0.0010671

WASHINGTON 4 2568.6 0.0000368

YORK 9 991 0.0002143

Maryland

ALLEGANY 4 425.3 0.0002220

ANNE ARUNDEL 16 416 0.0009077

BALTIMORE 16 598.6 0.0006308

CALVERT 8 215.2 0.0008773

CAROLINE 4 320.2 0.0002948

CARROLL 12 449.2 0.0006305

CECIL 9 348.2 0.0006100

CHARLES 9 461.1 0.0004606

DORCHESTER 4 557.6 0.0001693

FREDERICK 20 662.9 0.0007120

GARRETT 9 648.1 0.0003277

HARFORD 11 440.4 0.0005895

HOWARD 7 252.2 0.0006550

KENT 4 279.4 0.0003379

MONTGOMERY 11 494.6 0.0005249

PRINCE GEORGE'S 12 486.4 0.0005822

QUEEN ANNE'S 8 372.2 0.0005073

SOMERSET 1 361.3 0.0000653

ST. MARY'S 13 327.2 0.0009377

TALBOT 4 269.2 0.0003507

WASHINGTON 10 458.2 0.0005151

WICOMICO 6 377.2 0.0003754

WORCESTER 8 473.2 0.0003990

BALTIMORE CITY 1 80.8 0.0002921

Massachusetts

BARNSTABLE 2 395.8 0.0001193

BERKSHIRE 15 931.4 0.0003801

BRISTOL 7 556 0.0002971

DUKES 1 103.8 0.0002274

ESSEX 12 498.1 0.0005686

FRANKLIN 22 702.1 0.0007395

HAMPDEN 15 618.5 0.0005724

HAMPSHIRE 8 529 0.0003569

MIDDLESEX 17 823.5 0.0004872

NORFOLK 7 399.6 0.0004134

PLYMOUTH 8 660.6 0.0002858

WORCESTER 32 1513.2 0.0004991

Michigan

ALCONA 10 674.5 0.0003499

ALGER 5 917.9 0.0001286

ALLEGAN 22 827.5 0.0006274

ALPENA 10 574.2 0.0004110

ANTIM 7 476.9 0.0003464

ARENAC 5 366.9 0.0003216

BARAGA 2 904.2 0.0000522

BARRY 15 556.2 0.0006365

BAY 9 444.3 0.0004781

BENZIE 4 321.3 0.0002938

BERRIEN 25 571 0.0010333

Page 14: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

BRANCH 15 507.4 0.0006977

CALHOUN 12 708.9 0.0003995

CASS 10 492.2 0.0004795

CHARLEVOIX 3 416.9 0.0001698

CHEBOYGAN 4 715.6 0.0001319

CHIPPEWA 6 1561.1 0.0000907

CLARE 6 566.9 0.0002498

CLINTON 15 571.5 0.0006194

CRAWFORD 9 558.2 0.0003805

DELTA 8 1170.2 0.0001613

DICKINSON 4 766.4 0.0001232

EATON 17 576.5 0.0006959

EMMETT 5 468 0.0002521

GENESEE 33 639.7 0.0012174

GLADWIN 8 506.8 0.0003725

GOGEBIC 2 1101.9 0.0000428

GRAND TRAVERSE 4 465.1 0.0002030

GRATIOT 9 570.2 0.0003725

HILLSDALE 20 598.9 0.0007881

HOUGHTON 1 1011.7 0.0000233

HURON 9 836.6 0.0002539

INGHAM 20 559.2 0.0008441

IONIA 14 573.2 0.0005764

IOSCO 12 549.1 0.0005158

IRON 5 1166.5 0.0001012

ISABELLA 10 574.3 0.0004109

JACKSON 15 706.6 0.0005010

KALAMAZOO 19 561.9 0.0007980

KALKASKA 6 561 0.0002524

KENT 24 856.2 0.0006615

KEWEENAW 1 541.2 0.0000436

LAKE 1 567.6 0.0000416

LAPPER 15 654.3 0.0005410

LEELANAU 2 348.5 0.0001354

LENAWEE 30 750.6 0.0009432

LIVINGSTON 19 568.4 0.0007889

LUCE 2 903.1 0.0000523

MACKINAC 3 1021.6 0.0000693

MACOMB 16 480.4 0.0007860

MANISTEE 1 543.9 0.0000434

MARQUETTE 6 1821.3 0.0000777

MASON 4 495.2 0.0001906

MECOSTA 8 555.8 0.0003397

MENOMINEE 6 1043.7 0.0001357

MIDLAND 8 521.2 0.0003622

MISSUAKEE 7 566.8 0.0002915

MONROE 27 551.1 0.0011562

MONTCALM 9 708.1 0.0003000

MONTMORENCY 5 547.6 0.0002155

MUSKEGON 6 509.2 0.0002781

NEWAYGO 10 842.4 0.0002802

OAKLAND 27 872.7 0.0007301

OCEANA 5 540.5 0.0002183

OGEMAW 12 564.4 0.0005018

ONTONAGON 2 1311.6 0.0000360

OSCEOLA 10 566.1 0.0004169

OSCODA 5 565 0.0002088

OTSEGO 2 514.6 0.0000917

OTTAWA 18 565.7 0.0007509

PRESQUE ISLE 2 660.1 0.0000715

ROSCOMMON 8 521.4 0.0003621

SAGINAW 15 809 0.0004376

SANILAC 11 724.5 0.0003583

SCHOOLCRAFT 3 503.7 0.0001406

SHIAWASSEE 19 963.9 0.0004652

ST. CLAIR 16 1178.2 0.0003205

ST. JOSEPH 6 538.8 0.0002628

TUSCOLA 11 812.6 0.0003195

VAN BUREN 16 611 0.0006180

WASHTENAW 22 710.1 0.0007312

WAYNE 29 614.1 0.0011145

WEXFORD 6 565.5 0.0002504

Minnesota

AITKIN 14 1819.4 0.0001816

ANOKA 14 424 0.0007792

BECKER 18 1310.5 0.0003242

BELTRAMI 8 2505.4 0.0000754

BENTON 6 408.3 0.0003468

BIG STONE 5 497 0.0002374

BLUE EARTH 19 752.4 0.0005960

BROWN 13 610.9 0.0005022

CARLTON 6 860.4 0.0001646

CARVER 15 357.1 0.0009913

CASS 17 2017.7 0.0001988

CHIPPEWA 7 582.8 0.0002835

CHISAGO 9 417.7 0.0005085

CLAY 21 1045.3 0.0004741

CLEARWATER 7 994.8 0.0001661

COOK 2 1450.7 0.0000325

COTTONWOOD 9 640 0.0003319

CROW WING 21 996.7 0.0004972

DAKOTA 17 569.7 0.0007042

DODGE 13 439.5 0.0006981

DOUGLAS 13 634.3 0.0004837

FARIBAULT 19 713.7 0.0006283

FILLMORE 8 861.3 0.0002192

Page 15: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

FREEBORN 32 707.7 0.0010671

GOODHUE 15 758.6 0.0004666

GRANT 10 546.5 0.0004318

HENNEPIN 20 556.6 0.0008480

HOUSTON 7 558.4 0.0002958

HUBBARD 5 922.6 0.0001279

ISANTI 9 439.1 0.0004837

ITASCA 7 2665.3 0.0000620

JACKSON 14 701.9 0.0004707

KANABEC 8 525 0.0003596

KANDIYOHI 27 796.2 0.0008003

KITTSON 10 1097.1 0.0002151

KOOCHICHING 16 3102.4 0.0001217

LAC QUI PARLE 4 764.9 0.0001234

LAKE 4 2099.4 0.0000450

LAKE OF THE WOODS 4 1296.7 0.0000728

LE SUEUR 16 448.5 0.0008419

LINCOLN 9 537.1 0.0003955

LYON 18 714.2 0.0005948

MAHNOMEN 10 491.9 0.0004798

MARSHALL 9 556.2 0.0003819

MARTIN 15 1772.3 0.0001997

MCLEOD 13 709.4 0.0004325

MEEKER 15 608.6 0.0005817

MILLE LACS 13 574.5 0.0005340

MORRISON 16 1124.5 0.0003358

MOWER 18 711.5 0.0005970

MURRAY 19 704.5 0.0006365

NICOLLET 14 452.3 0.0007305

NOBLES 25 715.5 0.0008246

NORMAN 9 876.3 0.0002424

OLMSTEAD 27 653 0.0009758

OTTER TAIL 25 1979.8 0.0002980

PENNINGTON 6 616.6 0.0002296

PINE 6 1411.2 0.0001003

PIPESTONE 9 465.9 0.0004559

POLK 31 1970.5 0.0003713

POPE 12 670.2 0.0004226

RAMSEY 5 155.8 0.0007574

RED LAKE 7 432.4 0.0003821

REDWOOD 21 879.9 0.0005632

RENVILLE 18 983 0.0004321

RICE 15 497.6 0.0007114

ROCK 9 482.6 0.0004401

ROSEAU 17 1662.6 0.0002413

SCOTT 7 6225.7 0.0000265

SHERBURNE 6 356.8 0.0003969

SIBLEY 18 436.6 0.0009730

ST. LOUIS 32 588.7 0.0012828

ST. STEARNS 32 1344.6 0.0005617

STEELE 14 429.6 0.0007691

STEVENS 9 562.1 0.0003779

SWIFT 15 743.6 0.0004761

TODD 7 942.1 0.0001754

TRAVERSE 7 574.1 0.0002878

WABASHA 6 525 0.0002697

WADENA 9 535.5 0.0003966

WASECA 16 423.3 0.0008920

WASHINGTON 11 391.7 0.0006628

WATONWAN 11 434.5 0.0005975

WILKIN 9 751.5 0.0002826

WINONA 12 626.3 0.0004522

WRIGHT 15 660.8 0.0005357

YELLOW MEDICINE 13 758 0.0004047

Mississippi

ADAMS 9 460.3 0.0004614

ALCORN 15 400 0.0008850

AMITE 16 729.7 0.0005175

ATTALA 19 735.2 0.0006099

BENTON 5 406.8 0.0002901

BOLIVAR 27 876.3 0.0007271

CALHOUN 12 586.6 0.0004828

CARROLL 11 627.8 0.0004135

CHICKASAW 14 501.6 0.0006587

CHOCTAW 7 419.1 0.0003942

CLAIRBORNE 12 486.8 0.0005818

CLARKE 20 691.3 0.0006828

CLAY 9 408.6 0.0005198

COAHOMA 20 554.2 0.0008517

COPIAH 29 776.7 0.0008812

COVINGTON 13 413.8 0.0007414

DE SOTO 16 478.3 0.0007895

FORREST 19 466.7 0.0009608

FRANKLIN 6 564.6 0.0002508

GEORGE 11 478.3 0.0005428

GREENE 10 712.9 0.0003310

GRENADA 14 421.9 0.0007831

HANCOCK 31 476.9 0.0015341

HARRISON 48 581 0.0019497

HINDS 45 869.3 0.0012217

HOLMES 18 756.1 0.0005618

HUMPHREYS 20 418.1 0.0011289

ISSAQUENA 12 413 0.0006857

ITAWAMBA 6 532.4 0.0002660

JACKSON 39 726.6 0.0012667

JASPER 18 676 0.0006284

Page 16: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

JEFFERSON 9 519.4 0.0004089

JEFFERSON DAVIS 11 408.4 0.0006357

JONES 32 693.9 0.0010883

KEMPER 12 766.2 0.0003696

LAFAYETTE 14 631.2 0.0005234

LAMAR 13 497.4 0.0006168

LAUDERDALE 24 703.6 0.0008050

LAWRENCE 17 430.6 0.0009317

LEAKE 18 582.7 0.0007290

LEE 16 449.7 0.0008397

LEFLORE 27 592 0.0010764

LINCOLN 27 585.8 0.0010877

LOWNDES 21 502.3 0.0009867

MADISON 31 719.1 0.0010174

MARION 14 542.4 0.0006091

MARSHALL 15 706.4 0.0005011

MONROE 18 764.2 0.0005559

MONTGOMERY 12 406.9 0.0006960

NESHOBA 24 570 0.0009937

NEWTON 18 578.1 0.0007348

NOXUBEE 12 694.9 0.0004075

OKTIBBEHA 9 457.8 0.0004640

PANOLA 10 684.3 0.0003449

PEARL RIVER 28 811.5 0.0008143

PERRY 9 647.2 0.0003282

PIKE 18 408.9 0.0010389

PONTOTOC 13 497.4 0.0006168

PRENTISS 19 415 0.0010805

QUITMAN 6 404.9 0.0003497

RANKIN 36 774.6 0.0010968

SCOTT 17 609.1 0.0006587

SHARKEY 17 427.7 0.0009380

SIMPSON 33 588.8 0.0013227

SMITH 27 635.9 0.0010020

STONE 13 445.4 0.0006888

SUNFLOWER 18 693.8 0.0006123

TALLAHATCHIE 14 644 0.0005130

TATE 8 404.5 0.0004667

TIPPAH 10 457.9 0.0005154

TISHOMINGO 13 424.2 0.0007232

TUNICA 8 454.8 0.0004151

UNION 13 415.5 0.0007384

WALTHALL 13 403.8 0.0007598

WARREN 25 586.7 0.0010056

WASHINGTON 19 724 0.0006193

WAYNE 13 810.4 0.0003786

WEBSTER 7 422.8 0.0003907

WILKINSON 9 676.8 0.0003138

WINSTON 7 607 0.0002722

YALOBUSHA 8 467.2 0.0004041

YAZOO 22 919.6 0.0005646

Missouri

ADAIR 6 567.7 0.0002494

ANDREW 18 435.2 0.0009761

ATCHISON 19 544.7 0.0008232

AUDRAIN 13 693.4 0.0004425

BARRY 15 779.1 0.0004544

BARTON 18 594.3 0.0007148

BATES 14 848.5 0.0003894

BENTON 19 705.6 0.0006355

BOLLINGER 7 620.8 0.0002661

BOONE 31 685.4 0.0010674

BUCHANAN 14 409.8 0.0008062

BUTLER 18 697.6 0.0006089

CALDWELL 7 429.4 0.0003847

CALLAWAY 25 839.1 0.0007031

CAMDEN 14 655.2 0.0005043

CAPE GIRARDEAU 22 578.7 0.0008972

CARROLL 13 694.6 0.0004417

CARTER 9 507.6 0.0004184

CASS 20 699.1 0.0006752

CEDAR 8 476 0.0003966

CHARITON 17 755.9 0.0005308

CHRISTIAN 17 563.2 0.0007124

CLARK 10 507.3 0.0004652

CLAY 19 396.5 0.0011309

CLINTON 16 418.8 0.0009016

COLE 8 391.6 0.0004821

COOPER 12 565.1 0.0005012

CRAWFORD 12 742.6 0.0003814

DADE 11 490.4 0.0005294

DALLAS 4 541.6 0.0001743

DAVIESS 10 567 0.0004162

DE KALB 8 424.2 0.0004451

DENT 9 753.6 0.0002818

DOUGLAS 9 814.6 0.0002607

DUNKLIN 25 545.6 0.0010814

FRANKLIN 15 922.1 0.0003839

GASCONADE 5 519.5 0.0002271

GENTRY 11 491.6 0.0005281

GREENE 22 675 0.0007692

GRUNDY 7 435.9 0.0003790

HARRISON 13 725.2 0.0004231

HENRY 8 702.5 0.0002688

HICKORY 4 398.7 0.0002368

HOLT 5 461.9 0.0002555

Page 17: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

HOWARD 7 465.8 0.0003547

HOWELL 26 927.8 0.0006613

IRON 9 551.4 0.0003852

JACKSON 28 604.8 0.0010926

JASPER 33 639.8 0.0012173

JEFFERSON 20 656.8 0.0007186

JOHNSON 15 830.6 0.0004262

KNOX 4 505.7 0.0001867

LACLEDE 9 765.9 0.0002773

LAFAYETTE 16 629.4 0.0005999

LAWRENCE 8 613.1 0.0003079

LEWIS 9 505.1 0.0004205

LINCOLN 12 630.5 0.0004492

LINN 10 620.4 0.0003804

LIVINGSTON 8 534.6 0.0003532

MACON 11 539.5 0.0004812

MADISON 12 803.8 0.0003523

MARIES 5 496.8 0.0002375

MARION 2 527.8 0.0000894

MCDONALD 12 438.1 0.0006464

MERCER 10 454.5 0.0005193

MILLER 17 592.3 0.0006774

MISSISSIPPI 19 413.2 0.0010852

MONITEAU 19 416.5 0.0010766

MONROE 4 646 0.0001461

MONTGOMERY 10 538.7 0.0004381

MORGAN 15 597.5 0.0005925

NEW MADRID 17 678.1 0.0005917

NEWTON 24 626.5 0.0009041

NODAWAY 20 876.7 0.0005384

OREGAN 12 791.5 0.0003578

OSAGE 6 606.1 0.0002336

OZARK 19 746.8 0.0006004

PEMISCOT 22 493.1 0.0010529

PERRY 15 474.7 0.0007457

PETTIS 18 685 0.0006201

PHELPS 14 672.9 0.0004910

PIKE 10 672.9 0.0003507

PLATTE 13 420.4 0.0007298

POLK 12 637.2 0.0004444

PULASKI 11 547.1 0.0004745

PUTNAM 3 518 0.0001367

RALLS 3 471 0.0001503

RANDOLPH 5 482.4 0.0002446

RAY 21 569.5 0.0008702

REYNOLDS 5 811.3 0.0001454

RIPLEY 11 629.5 0.0004124

SALINE 15 561.4 0.0006306

SCHUYLER 6 676.7 0.0002093

SCOTLAND 5 502.4 0.0002349

SCOTT 27 449.5 0.0014176

SHANNON 7 507.8 0.0003253

SHELBY 9 755.6 0.0002811

ST. CHARLES 21 307.9 0.0016096

ST. CLAIR 11 438.5 0.0005920

ST. FRANCOIS 15 421 0.0008409

ST. LOUIS 21 1003.9 0.0004937

ST. LOUIS (C) 3 500.9 0.0001413

STE. GENEVIEVE 4 827.2 0.0001141

STODDARD 22 463.3 0.0011207

STONE 9 651 0.0003263

SULLIVAN 3 632.4 0.0001120

TANEY 5 1178.6 0.0001001

TEXAS 21 834 0.0005942

VERNON 19 431.7 0.0010387

WARREN 6 759.8 0.0001864

WASHINGOTN 11 761.1 0.0003411

WAYNE 11 593.4 0.0004375

WEBSTER 15 266.5 0.0013283

WORTH 7 682.3 0.0002421

WRIGHT 11 61.9 0.0041939

Montana

BEAVERHEAD 10 5542.6 0.0000426

BIG HORN 9 4994.9 0.0000425

BLAINE 1 4226.2 0.0000056

BROADWATER 1 1191.5 0.0000198

CARBON 2 2048.1 0.0000230

CARTER 8 3339.7 0.0000565

CASCADE 12 2698 0.0001050

CHOUTEAU 13 3973.4 0.0000772

CUSTER 6 3783.3 0.0000374

DANIELS 8 1426.1 0.0001324

DAWSON 11 2373.3 0.0001094

DEER LODGE 1 736.9 0.0000320

FALLON 6 1620.4 0.0000874

FERGUS 18 4339.3 0.0000979

FLATHEAD 2 5098.6 0.0000093

GALLATIN 4 2506.9 0.0000377

GARFIELD 6 4668.2 0.0000303

GLACIER 2 2994.7 0.0000158

GRANITE 2 1727.5 0.0000273

HILL 6 2896.4 0.0000489

JUDITH BASIN 8 1869.9 0.0001010

LAKE 1 1493.8 0.0000158

LEWIS AND CLARK 4 3461 0.0000273

LIBERTY 4 1429.8 0.0000660

Page 18: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

MADISON 2 3586.6 0.0000132

MCCONE 6 2642.6 0.0000536

MEAGHER 2 2391.9 0.0000197

MISSOULA 2 2598.2 0.0000182

MUSSELSHELL 3 1867.2 0.0000379

PETROLEUM 3 1653.9 0.0000428

PHILLIPS 8 5139.9 0.0000367

POWDER RIVER 13 3297.3 0.0000930

POWELL 2 2326 0.0000203

PRAIRIE 2 1736.6 0.0000272

RAVALLI 3 2394.3 0.0000296

RICHLAND 10 2084.2 0.0001132

ROOSEVELT 13 2355.7 0.0001302

ROSEBUD 8 5012.4 0.0000377

SANDERS 1 2762.3 0.0000085

SHERIDAN 3 1676.7 0.0000422

SWEET GRASS 2 1855.2 0.0000254

TETON 4 2272.6 0.0000415

TOOLE 6 1910.9 0.0000741

TREASURE 3 978.9 0.0000723

VALLEY 29 4920.9 0.0001391

WHEATLAND 5 1423.2 0.0000829

WIBAUX 6 889.3 0.0001592

YELLOWSTONE 15 2635.2 0.0001343

Nebraska

ADAMS 38 563.4 0.0015918

ANTELOPE 28 857.1 0.0007710

ARTHUR 3 715.4 0.0000990

BANNER 20 746.3 0.0006325

BLAINE 4 710.8 0.0001328

BOONE 18 686.7 0.0006186

BOX BUTTE 32 1075.4 0.0007023

BOYD 10 540.1 0.0004370

BROWN 20 1221.4 0.0003864

BUFFALO 60 968.1 0.0014627

BURT 11 492.8 0.0005268

BUTLER 26 583.6 0.0010514

CASS 20 559.3 0.0008439

CEDAR 16 740.3 0.0005101

CHASE 14 894.5 0.0003694

CHERRY 51 5960.7 0.0002019

CHEYENNE 42 1196.4 0.0008285

CLAY 31 573.1 0.0012766

COLFAX 20 413.2 0.0011423

CUMING 21 572 0.0008664

CUSTER 64 2575.8 0.0005864

DAKOTA 5 264 0.0004470

DAWES 25 1396.3 0.0004225

DAWSON 44 1012.9 0.0010252

DEUEL 16 439.9 0.0008584

DIXON 17 476.4 0.0008421

DODGE 18 534.5 0.0007948

DOUGLAS 12 331 0.0008556

DUNDY 18 919.9 0.0004618

FILLMORE 19 576.5 0.0007778

FRANKLIN 21 575.9 0.0008606

FRONTIER 20 974.6 0.0004843

FURNAS 20 718.1 0.0006573

GAGE 32 855.3 0.0008830

GARDEN 16 1704.6 0.0002215

GARFIELD 7 570.1 0.0002898

GOSPER 14 458.2 0.0007211

GRANT 13 776.3 0.0003952

GREELEY 14 569.9 0.0005798

HALL 71 546.4 0.0030666

HAMILTON 35 543.7 0.0015192

HARLAN 14 552.8 0.0005977

HAYES 11 713.1 0.0003640

HITCHCOCK 24 710.1 0.0007976

HOLT 49 2412.8 0.0004793

HOOKER 9 721.2 0.0002945

HOWARD 29 569.5 0.0012018

JEFFERSON 14 573.1 0.0005765

JOHNSON 13 376.2 0.0008155

KEARNEY 18 516.1 0.0008231

KEITH 32 1061.3 0.0007116

KEYA PAHA 7 773.3 0.0002136

KIMBALL 35 951.8 0.0008678

KNOX 33 1108.2 0.0007028

LANCASTER 25 838.9 0.0007033

LINCOLN 58 2564.2 0.0005338

LOGAN 10 570.7 0.0004135

LOUP 9 569.7 0.0003728

MADISON 34 572.6 0.0014013

MCPHERSON 2 859 0.0000549

MERRICK 16 484.6 0.0007792

MORRILL 35 1423.9 0.0005801

NANCE 15 441.3 0.0008022

NEMAHA 12 409.3 0.0006919

NUCKOLLS 26 575.3 0.0010666

OTOE 19 615.9 0.0007280

PAWNEE 13 431.7 0.0007107

PERKINS 25 883.2 0.0006680

PHELPS 22 540 0.0009615

PIERCE 22 574 0.0009045

PLATTE 24 678.1 0.0008353

Page 19: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

POLK 24 439.1 0.0012899

RED WILLOW 28 716.7 0.0009220

RICHARDSON 13 553.5 0.0005543

ROCK 8 1008.5 0.0001872

SALINE 16 575.4 0.0006562

SARPY 5 240.7 0.0004902

SAUNDERS 26 754.1 0.0008137

SCOTTS BLUFF 48 739.3 0.0015323

SEWARD 25 574.8 0.0010264

SHERIDAN 41 2441.2 0.0003964

SHERMAN 19 565.9 0.0007924

SIOUX 18 2066.7 0.0002055

STANTON 18 429.9 0.0009881

THAYER 33 574.6 0.0013554

THOMAS 5 712.9 0.0001655

VALLEY 14 568.1 0.0005816

WASHINGTON 11 390.5 0.0006648

WAYNE 11 443.5 0.0005853

WEBSTER 26 574.9 0.0010673

WHEELER 3 575.2 0.0001231

YORK 35 575.7 0.0014348

Nevada

CHURCHILL 4 4929.3 0.0000192

CLARK 10 7910.7 0.0000298

ELKO 13 17181.6 0.0000179

ESMERALDA 1 3588.7 0.0000066

HUMBOLDT 1 9648.3 0.0000024

LANDER 1 5493.5 0.0000043

LINCOLN 6 10634.7 0.0000133

LYON 4 1993.8 0.0000473

NYE 3 18147.2 0.0000039

WASHOE 8 6009.1 0.0000314

WHITE PINE 10 8876.6 0.0000266

New Hampshire

BELKNAP 6 401.3 0.0003529

CARROLL 7 933.9 0.0001769

CHESHIRE 14 707.5 0.0004670

COOS 5 1800.6 0.0000655

GRAFTON 9 1713.5 0.0001240

HILLSBOROUGH 19 876.5 0.0005116

MERRIMACK 4 934.5 0.0001010

ROCKINGHAM 8 695.2 0.0002716

STRAFFORD 6 368.8 0.0003839

SULLIVAN 5 537.4 0.0002196

New Mexico

BERNALILLO 10 1166.2 0.0002024

CHAVES 31 6071.4 0.0001205

COLFAX 12 3756.9 0.0000754

CURRY 38 1406.1 0.0006378

DE BACA 6 2325.1 0.0000609

DONA ANA 7 3807.4 0.0000434

EDDY 47 4182.2 0.0002652

GRANT 5 3966.2 0.0000298

GUADALUPE 7 3030.6 0.0000545

HARDING 5 2125.5 0.0000555

HIDALGO 1 3445.9 0.0000068

LEA 88 4393.3 0.0004727

LINCOLN 9 4831.4 0.0000440

LUNA 2 2965.3 0.0000159

MORA 6 1931.2 0.0000733

OTERO 10 6626.9 0.0000356

QUAY 36 2875.1 0.0002955

RIO ARRIBA 1 5858.1 0.0000040

ROOSEVELT 39 2448.7 0.0003759

SAN JUAN 6 5514.4 0.0000257

SAN MIGUEL 11 4714.4 0.0000551

SANDOVAL 4 3709.7 0.0000254

SANTA FE 16 1909.4 0.0001978

SIERRA 5 4180.5 0.0000282

SOCORRO 3 6647.1 0.0000107

TORRANCE 10 3345.1 0.0000706

UNION 29 3830.2 0.0001787

VALENCIA 5 1067.6 0.0001105

New Jersey

ATLANTIC 6 561.2 0.0002523

BERGEN 8 234.2 0.0008061

BURLINGTON 12 804.8 0.0003519

CAMDEN 6 222.3 0.0006370

CAPE MAY 8 255.2 0.0007398

CUMBERLAND 9 489.3 0.0004341

ESSEX 2 126.3 0.0003737

GLOUCESTER 8 324.9 0.0005811

HUDSON 1 46.7 0.0005054

HUNTERDON 6 430.1 0.0003292

MERCER 8 226 0.0008354

MIDDLESEX 6 310.6 0.0004559

MONMOUTH 7 471.9 0.0003501

MORRIS 6 469.1 0.0003019

OCEAN 10 636.3 0.0003709

PASSAIC 3 185 0.0003827

SALEM 4 337.8 0.0002795

SOMERSET 3 304.7 0.0002324

SUSSEX 2 521.2 0.0000906

Page 20: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

UNION 12 103.3 0.0027415

WARREN 4 357.9 0.0002638

New York

ALBANY 7 523.8 0.0003154

ALLEGANY 3 1030.3 0.0000687

BROOME 4 706.9 0.0001335

CATTARAUGUS 10 1309.9 0.0001802

CAYUGA 3 693.3 0.0001021

CHAUTAUQUA 24 1062.1 0.0005333

CHEMUNG 1 408.2 0.0000578

CHENANGO 10 894.4 0.0002639

COLUMBIA 7 635.8 0.0002598

CORTLAND 3 499.7 0.0001417

DELAWARE 6 1446.4 0.0000979

DUTCHESS 7 801.7 0.0002061

ERIE 16 1044.7 0.0003614

ESSEX 3 1797 0.0000394

FRANKLIN 1 1631.6 0.0000145

FULTON 6 496.2 0.0002854

GENESEE 1 494.1 0.0000478

GREENE 4 647.9 0.0001457

HAMILTON 4 1720.7 0.0000549

HERKIMER 5 1411.8 0.0000836

JEFFERSON 2 1272.3 0.0000371

LEWIS 2 1275.6 0.0000370

LIVINGSTON 2 632.2 0.0000747

MADISON 2 655.9 0.0000720

MONROE 2 659.3 0.0000716

MONTGOMERY 2 404.8 0.0001166

NASSAU 6 286.8 0.0004937

NEW YORK 1 28.4 0.0008310

NIAGARA 4 523 0.0001805

ONEIDA 12 1212.8 0.0002335

ONONDAGA 5 780.3 0.0001512

ONTARIO 3 644.4 0.0001099

ORANGE 8 816.4 0.0002313

ORLEANS 1 391.4 0.0000603

OSWEGO 8 953.3 0.0001980

OTSEGO 10 1002.9 0.0002353

PUTNAM 4 231.5 0.0004078

QUEENS 1 109.4 0.0002157

RENSSELAER 8 654 0.0002887

RICHMOND 2 58.6 0.0008055

ROCKLAND 1 174.2 0.0001355

ST. LAWRENCE 7 2685.7 0.0000615

SARATOGA 8 811.9 0.0002325

SCHENECTADY 2 206.1 0.0002290

SCHOHARIE 2 621.8 0.0000759

SCHUYLER 4 328.7 0.0002872

STEUBEN 2 1392.7 0.0000339

SUFFOLK 16 911.2 0.0004144

SULLIVAN 8 969.8 0.0001947

TIOGA 5 518.7 0.0002275

TOMPKINS 5 476.1 0.0002478

ULSTER 11 1126.6 0.0002304

WARREN 2 869.7 0.0000543

WASHINGTON 4 835.5 0.0001130

WAYNE 1 604.2 0.0000391

WESTCHESTER 7 432.9 0.0003816

WYOMING 3 593 0.0001194

YATES 4 338.2 0.0002791

North Carolina

ALLAMANCE 3 430.7 0.0001644

ALEXANDER 3 260.3 0.0002720

ALLEGHANY 1 234.7 0.0001006

ANSON 2 531.6 0.0000888

AVERY 1 247 0.0000955

BEUFORT 14 827.6 0.0003992

BERTIE 17 699.2 0.0005738

BLADEN 13 875 0.0003506

BRUNSWICK 16 854.9 0.0004417

BUNCOMBE 6 656.3 0.0002158

BURKE 4 506.7 0.0001863

CABARRUS 8 364.4 0.0005181

CALDWELL 6 471.7 0.0003002

CAMDEN 1 240.7 0.0000980

CARTERET 31 531.4 0.0013767

CASWELL 4 425.7 0.0002218

CATAWBA 12 400 0.0007080

CHATHAM 6 683.1 0.0002073

CHEROKEE 7 455.2 0.0003629

CHOWAN 7 172.6 0.0009571

CLAY 4 214.7 0.0004397

CLEVELAND 10 464.3 0.0005083

COLUMBUS 13 936.8 0.0003275

CRAVEN 20 695.6 0.0006786

CUMBERLAND 19 653.1 0.0006866

CURRITUCK 5 261.7 0.0004509

DARE 28 381.7 0.0017312

DAVIDSON 9 552.2 0.0003846

DAVIE 2 265.2 0.0001780

DUPLIN 26 817.8 0.0007503

DURHAM 5 290.6 0.0004061

EDGECOMBE 5 505.1 0.0002336

FORSYTH 12 409.7 0.0006912

Page 21: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

FRANKLIN 8 491.6 0.0003841

GASTON 5 356.5 0.0003310

GATES 3 340.6 0.0002079

GRAHAM 1 292.1 0.0000808

GRANVILLE 6 531.2 0.0002666

GREENE 7 265.4 0.0006225

GUILFORD 9 650.1 0.0003267

HALIFAX 8 725.4 0.0002603

HARNETT 16 595 0.0006346

HAYWOOD 1 553.9 0.0000426

HENDERSON 3 373.8 0.0001894

HERTFORD 8 353.7 0.0005338

HOKE 6 391.2 0.0003620

HYDE 14 612.8 0.0005392

IREDELL 13 574.4 0.0005341

JACKSON 2 490.6 0.0000962

JOHNSTON 5 792 0.0001490

JONES 10 473.3 0.0004986

LEE 1 257.3 0.0000917

LENOIR 22 399.9 0.0012983

LINCOLN 8 298.8 0.0006319

MCDOWELL 3 441.7 0.0001603

MACON 2 516.5 0.0000914

MADISON 4 449.4 0.0002101

MARTIN 8 462.6 0.0004081

MECKLENBURG 17 527.4 0.0007607

MONTGOMERY 6 491.1 0.0002883

MOORE 8 698.8 0.0002702

NASH 11 540.3 0.0004805

NEW HANOVER 14 198.9 0.0016611

NORTHAMPTON 11 536.1 0.0004842

ONSLOW 28 766.9 0.0008617

ORANGE 5 399.8 0.0002951

PAMLICO 10 336.9 0.0007005

PASQUOTANK 12 226.9 0.0012481

PENDER 20 870.7 0.0005421

PERQUIMANS 7 247.2 0.0006683

PERSON 5 392.3 0.0003008

PITT 16 651.6 0.0005795

POLK 1 237.8 0.0000992

RANDOLPH 13 787.5 0.0003896

RICHMOND 2 474 0.0000996

ROBESON 28 948.9 0.0006964

ROCKINGHAM 5 566.5 0.0002083

ROWMAN 7 511.4 0.0003230

RUTHERFORD 5 564.2 0.0002091

SAMPSON 12 945.5 0.0002995

SCOTLAND 9 319.2 0.0006654

STANLY 10 395.1 0.0005973

STOKES 4 451.9 0.0002089

SURRY 5 536.6 0.0002199

SWAIN 2 528.1 0.0000894

TRANSYLVANIA 3 378.4 0.0001871

TYRELL 5 389.9 0.0003026

UNION 15 637.4 0.0005554

VANCE 2 253.5 0.0001862

WAKE 26 833.9 0.0007358

WARREN 3 428.7 0.0001652

WASHINGTON 6 347.8 0.0004071

WATAUGA 2 312.5 0.0001510

WAYNE 18 552.6 0.0007687

WILKES 5 757.2 0.0001558

WILSON 6 371.1 0.0003816

YADKIN 5 335.6 0.0003516

YANCEY 2 312.4 0.0001511

North Dakota

ADAMS 9 988 0.0002150

BARNES 38 1491.8 0.0006012

BENSON 21 1388.6 0.0003569

BILLINGS 6 1151.5 0.0001230

BOTTINEAU 28 1668.7 0.0003960

BOWMAN 9 1162.1 0.0001828

BURKE 14 1103.6 0.0002994

BURLEIGH 36 1633.2 0.0005202

CASS 58 1765.7 0.0007752

CAVALIER 20 1489.1 0.0003170

DICKEY 21 1131.1 0.0004382

DIVIDE 7 1259.4 0.0001312

DUNN 13 2010 0.0001526

EDDY 9 632.1 0.0003360

EMMONS 31 1510 0.0004845

FOSTER 8 635.3 0.0002972

GOLDEN VALLEY 6 1002 0.0001413

GRAND FORKS 21 1437.9 0.0003447

GRANT 21 1659.6 0.0002986

GRIGGS 16 708.5 0.0005330

HETTINGER 10 1132.3 0.0002084

KIDDER 12 1351.6 0.0002095

LA MOURE 22 1147.2 0.0004526

LOGAN 12 992.7 0.0002853

MCHENRY 26 1874.2 0.0003274

MCINTOSH 12 975.3 0.0002904

MCKENZIE 12 2742.2 0.0001033

MCLEAN 27 2110.4 0.0003019

MERCER 16 1045.4 0.0003612

MORTON 28 1926.4 0.0003430

MOUNTRAIL 25 1824 0.0003235

Page 22: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

NELSON 14 981.7 0.0003366

OLIVER 6 723.6 0.0001957

PEMBINA 13 1118.8 0.0002742

PIERCE 10 1017.9 0.0002318

RAMSEY 35 1186.2 0.0006963

RANSOM 18 862.8 0.0004924

RENVILLE 19 874.8 0.0005126

RICHLAND 30 1436.9 0.0004927

ROLETTE 8 902.5 0.0002092

SARGENT 10 858.8 0.0002748

SHERIDAN 10 971.8 0.0002428

SIOUX 9 1094.2 0.0001941

SLOPE 8 1218 0.0001550

STARK 12 1338.3 0.0002116

STEELE 20 712.4 0.0006625

STUTSMAN 43 2221.5 0.0004568

TOWNER 9 1025.4 0.0002071

TRAILL 11 861.9 0.0003012

WALSH 21 1282 0.0003866

WARD 47 2013 0.0005510

WELLS 18 1271.4 0.0003341

WILLIAMS 19 2070.6 0.0002166

Ohio

ADAMS 7 584 0.0002829

ALLEN 12 404.5 0.0007001

ASHLAND 12 424.4 0.0006673

ASHTABULA 12 702.7 0.0004030

ATHENS 1 506.8 0.0000466

AUGLAIZE 5 401.3 0.0002940

BELMONT 2 537.3 0.0000878

BROWN 11 491.8 0.0005279

BUTLER 14 467.3 0.0007070

CARROLL 3 394.7 0.0001794

CHAMPAIGN 4 428.6 0.0002203

CLARK 13 400 0.0007670

CLERMONT 12 452.1 0.0006264

CLINTON 11 410.9 0.0006318

COLUMBIANA 15 532.5 0.0006648

COSHOCTON 5 564.1 0.0002092

CRAWFORD 11 402.3 0.0006453

CUYAHOGA 13 458.3 0.0006694

DARKE 13 599.9 0.0005114

DEFIANCE 6 411.2 0.0003444

DELAWARE 5 442.5 0.0002667

ERIE 12 254.5 0.0011128

FAIRFIELD 13 505.7 0.0006067

FAYETTE 7 406.6 0.0004063

FRANKLIN 22 540 0.0009615

FULTON 11 406.8 0.0006382

GALLIA 6 468.8 0.0003020

GEAUGA 9 404.1 0.0005256

GREENE 13 414.9 0.0007395

GUERNSEY 8 522 0.0003617

HAMILTON 13 407.4 0.0007531

HANCOCK 9 531.4 0.0003997

HARDIN 6 470.3 0.0003011

HARRISON 3 403.6 0.0001754

HENRY 8 416.5 0.0004533

HIGHLAND 9 553.3 0.0003839

HOCKING 2 422.8 0.0001116

HOLMES 6 423 0.0003348

HURON 19 493.1 0.0009093

JACKSON 3 420.3 0.0001685

JEFFERSON 3 409.6 0.0001729

KNOX 10 527.2 0.0004476

LAKE 2 228.2 0.0002068

LAWRENCE 5 455.4 0.0002591

LICKING 16 686.5 0.0005500

LOGAN 5 458.5 0.0002574

LORAIN 24 492.6 0.0011498

LUCAS 5 340.4 0.0003467

MADISON 7 465.2 0.0003551

MAHONING 13 415.3 0.0007387

MARION 14 403.9 0.0008180

MEDINA 17 421.6 0.0009516

MEIGS 2 429.5 0.0001099

MERCER 12 463.3 0.0006113

MIAMI 14 407 0.0008118

MONROE 2 455.6 0.0001036

MONTGOMERY 7 461.7 0.0003578

MORROW 14 405.5 0.0008148

MUSKINGUM 15 664.6 0.0005327

NOBLE 3 399 0.0001774

OTTAWA 6 255.1 0.0005551

PAULDING 7 416.3 0.0003968

PERRY 8 410 0.0004605

PICKAWAY 13 502.2 0.0006109

PIKE 4 441.5 0.0002138

PORTAGE 8 492.4 0.0003834

PREBLE 9 424.8 0.0005000

PUTNAM 13 483.9 0.0006340

RICHLAND 20 497 0.0009497

ROSS 8 688.5 0.0002742

SANDUSKY 4 409.2 0.0002307

SCIOTO 11 612.3 0.0004240

SENECA 14 550.6 0.0006001

Page 23: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

SHELBY 5 409.3 0.0002883

STARK 4 576.2 0.0001638

SUMMITT 10 412.8 0.0005717

TRUMBULL 15 615.8 0.0005749

TUSCARAWAS 8 567.6 0.0003326

UNION 7 436.7 0.0003783

VAN WERT 12 410.1 0.0006906

WARREN 16 399.9 0.0009442

WASHINGTON 6 635.2 0.0002229

WAYNE 15 555.4 0.0006374

WILLIAMS 8 421.8 0.0004476

WOOD 17 617.4 0.0006498

WYANDOT 8 405.6 0.0004655

Oklahoma

ADAIR 13 575.7 0.0005329

ALFALFA 34 866.7 0.0009258

ATOKA 24 978.4 0.0005789

BEAVER 37 1814.5 0.0004812

BECKHAM 50 901.9 0.0013083

BLAINE 35 928.6 0.0008895

BRYAN 29 908.9 0.0007530

CADDO 84 1278.4 0.0015507

CANADIAN 63 899.9 0.0016522

CARTER 43 823.9 0.0012317

CHEROKEE 19 751.1 0.0005970

CHOCTAW 20 774 0.0006098

CIMARRON 27 1835.1 0.0003472

CLEVELAND 52 536.2 0.0022887

COAL 15 518.2 0.0006831

COMANCHE 46 1069.4 0.0010151

COTTON 31 636.7 0.0011490

CRAIG 35 761.1 0.0010853

CREEK 47 955.6 0.0011607

CUSTER 43 986.6 0.0010286

DELAWARE 24 740.7 0.0007647

DEWEY 41 1000.2 0.0009674

ELLIS 53 1229.2 0.0010176

GARFIELD 59 1058.5 0.0013154

GARVIN 47 809.2 0.0013707

GRADY 55 1101 0.0011789

GRANT 55 1000.6 0.0012972

GREER 32 639.4 0.0011811

HARMON 24 537.9 0.0010530

HARPER 18 1039.1 0.0004088

HASKELL 17 577.1 0.0006952

HUGHES 30 806.8 0.0008775

JACKSON 64 802.8 0.0018814

JEFFERSON 27 758.9 0.0008396

JOHNSTON 21 644.6 0.0007688

KAY 80 918.8 0.0020549

KINGFISHER 57 903.1 0.0014895

KIOWA 58 1014.7 0.0013490

LATIMER 15 722.2 0.0004902

LE FLORE 35 1586 0.0005208

LINCOLN 59 958.6 0.0014525

LOGAN 38 744.6 0.0012044

LOVE 15 515.4 0.0006868

MAJOR 32 569.7 0.0013256

MARSHALL 21 1852.4 0.0002675

MAYES 45 620 0.0017129

MCCLAIN 36 956.8 0.0008880

MCCURTAIN 39 371.1 0.0024802

MCINTOSH 31 656.2 0.0011149

MURRAY 29 418.3 0.0016361

MUSKOGEE 35 813.9 0.0010149

NOBLE 31 732 0.0009995

NOWATA 24 565 0.0010025

OKFUSKEE 27 624.8 0.0010198

OKLAHOMA 80 709.2 0.0026622

OKMULGEE 33 697 0.0011174

OSAGE 56 2251 0.0005871

OTTAWA 21 471.4 0.0010513

PAWNEE 26 569.5 0.0010774

PAYNE 41 686.4 0.0014097

PITTSBURG 60 1306 0.0010842

PONTOTOC 40 719.7 0.0013117

POTTAWATOMIE 49 787.9 0.0014677

PUSHMATAHA 25 1397.4 0.0004222

ROGER MILLS 26 1141.9 0.0005374

ROGERS 47 675 0.0016433

SEMINOLE 41 632.5 0.0015298

SEQUOYAH 30 673.9 0.0010506

STEPHENS 44 877.2 0.0011838

TEXAS 48 2037.3 0.0005560

TILLMAN 53 872.4 0.0014337

TULSA 61 570.3 0.0025243

WAGONER 23 563.1 0.0009639

WASHINGTON 20 416.9 0.0011322

WASHITA 35 1003.5 0.0008231

WOODS 41 1286.6 0.0007521

WOODWARD 33 1242.4 0.0006269

Oregan

BAKER 4 3068.3 0.0000308

BENTON 1 676.5 0.0000349

Page 24: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

CLACKAMAS 5 1868.3 0.0000632

CLATSOP 5 827.3 0.0001426

COLUMBIA 3 656.8 0.0001078

CURRY 1 1627.4 0.0000145

DESCHUTES 3 3018.3 0.0000235

GILLIAM 1 1204.1 0.0000196

HARNEY 2 10134.9 0.0000047

KLAMATH 2 5944.6 0.0000079

LAKE 1 8136.3 0.0000029

LANE 6 4554.2 0.0000311

LINCOLN 2 979.7 0.0000482

LINN 1 2291.4 0.0000103

MALHEUR 6 9887.7 0.0000143

MARION 6 1185 0.0001195

MULTNOMAH 3 435.3 0.0001626

POLK 2 741.1 0.0000637

TILLAMOOK 4 1102.2 0.0000856

UMATILLA 2 3215.3 0.0000147

UNION 1 2036.7 0.0000116

WALLOWA 3 3145.4 0.0000225

WASCO 1 2381.2 0.0000099

WASHINGTON 4 723.8 0.0001304

YAMHILL 2 715.6 0.0000660

Pennsylvania

ADAMS 13 520.1 0.0005899

ALLEGHENY 12 730.2 0.0003878

ARMSTRONG 8 654 0.0002887

BEAVER 15 435.3 0.0008132

BEDFORD 7 1014.6 0.0001628

BERKS 20 859.2 0.0005493

BLAIR 3 525.8 0.0001347

BRADFORD 11 1150.7 0.0002256

BUCKS 17 607.6 0.0006603

BUTLER 14 788.6 0.0004190

CAMBRIA 15 688.1 0.0005145

CAMERON 2 397.2 0.0001188

CARBON 2 382.6 0.0001234

CENTRE 9 1107.6 0.0001918

CHESTER 24 756 0.0007492

CLARION 5 602.5 0.0001959

CLEARFIELD 6 1147.4 0.0001234

CLINTON 8 890.9 0.0002119

COLUMBIA 5 485.6 0.0002430

CRAWFORD 24 1012.9 0.0005592

CUMBERLAND 9 550.2 0.0003860

DAUPHIN 9 525.3 0.0004043

DELAWARE 3 184.2 0.0003844

ELK 5 828.7 0.0001424

ERIE 16 802 0.0004708

FAYETTE 10 790.1 0.0002987

FOREST 4 428.1 0.0002205

FRANKLIN 8 772 0.0002446

FULTON 1 437.6 0.0000539

GREENE 5 575.9 0.0002049

HUNTINGDON 6 875.4 0.0001618

INDIANA 9 829.5 0.0002561

JEFFERSON 9 655.5 0.0003240

LACKAWANNA 5 458.8 0.0002572

LANCASTER 23 949.1 0.0005719

LAWRENCE 9 360.5 0.0005892

LEBANON 11 361.8 0.0007175

LEHIGH 8 346.7 0.0005446

LUZERNE 13 891 0.0003443

LYCOMING 19 1234.9 0.0003631

MCKEAN 4 981.6 0.0000962

MERCER 13 671.9 0.0004566

MIFFLIN 4 410.7 0.0002299

MONROE 11 607.3 0.0004275

MONTGOMERY 14 483.1 0.0006839

MONTOUR 4 130.8 0.0007217

NORTHAMPTON 11 373.9 0.0006943

NORTHUMBERLAND 9 459.9 0.0004618

PERRY 3 553.6 0.0001279

PHILADELPHIA 8 135.1 0.0013975

PIKE 4 547.1 0.0001725

POTTER 6 1081.2 0.0001310

SCHUYLKILL 11 778.6 0.0003334

SNYDER 5 331.2 0.0003563

SOMERSET 11 1074.8 0.0002415

SULLIVAN 9 450 0.0004720

SUSQUEHANNA 4 823 0.0001147

TIOGA 3 1133.8 0.0000624

UNION 4 316.8 0.0002980

VENANGO 9 675.1 0.0003146

WARREN 7 883.5 0.0001870

WASHINGTON 6 857.1 0.0001652

WAYNE 2 729.4 0.0000647

WESTMORELAND 28 1022.6 0.0006462

WYOMING 5 397.2 0.0002971

YORK 18 904.6 0.0004696

Rhode Island

BRISTOL 1 24.7 0.0009555

KENT 2 170.1 0.0002775

PROVIDENCE 6 413.3 0.0003426

Page 25: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

South Carolina

ABBEVILE 9 508 0.0004181

AIKEN 20 1073.1 0.0004398

ALLENDALE 5 408.2 0.0002891

ANDERSON 15 718 0.0004930

BAMBERG 7 393.3 0.0004200

BARNWELL 13 548.5 0.0005593

BEAUFORT 11 587 0.0004422

BERKELEY 14 1099.5 0.0003005

CALHOUN 7 380.3 0.0004344

CHARLESTON 22 917.4 0.0005659

CHEROKEE 14 392.7 0.0008414

CHESTER 9 580.6 0.0003658

CHERSTERFIELD 16 798.8 0.0004727

CLARENDON 19 607.2 0.0007385

COLLETON 12 1056.5 0.0002681

DARLINGTON 15 562.1 0.0006298

DILLON 10 404.9 0.0005829

DORCHESTER 9 574.8 0.0003695

EDGEFIELD 10 501.9 0.0004702

FAIRFIELD 12 686.6 0.0004125

FLORENCE 25 799.2 0.0007382

GEORGETOWN 10 814.9 0.0002896

GREENVILLE 19 792.1 0.0005661

GREENWOOD 14 455.5 0.0007254

HAMPTON 7 559.9 0.0002951

HORRY 32 1133.7 0.0006661

JASPER 4 654.3 0.0001443

KERSHAW 14 726.3 0.0004549

LANCASTER 7 549 0.0003009

LAURENS 7 713.2 0.0002316

LEE 4 410.3 0.0002301

LEXINGTON 19 700.8 0.0006398

MARION 7 359.6 0.0004594

MARLBORO 8 489.1 0.0003860

MCCORMICK 7 479.7 0.0003444

NEWBERRY 18 630.8 0.0006734

OCONEE 19 625.1 0.0007173

ORANGEBURG 38 1106 0.0008108

PICKENS 14 496.9 0.0006649

RICHLAND 25 756.5 0.0007799

SALUDA 6 451.4 0.0003137

SPARTANBURG 24 811 0.0006984

SUMTER 13 665.5 0.0004610

UNION 8 514.2 0.0003672

WILLIAMSBURG 9 934 0.0002274

YORK 16 682.5 0.0005533

South Dakota

AURORA 11 708.2 0.0003666

BEADE 22 1259.4 0.0004123

BENNETT 19 1185.4 0.0003783

BON HOMME 18 563.4 0.0007540

BROOKINGS 21 794.5 0.0006238

BROWN 62 1712.8 0.0008543

BRULE 19 819 0.0005475

BUFFALO 13 470.6 0.0006519

BUTTE 13 2248.6 0.0001364

CAMPBELL 12 735.8 0.0003849

CHARLES MIX 36 1098.3 0.0007736

CLARK 20 958 0.0004927

CLAY 19 411.6 0.0010894

CODINGTON 25 687.8 0.0008578

CORSON 18 2473.1 0.0001718

CUSTER 8 1557.8 0.0001212

DAVISON 19 435.5 0.0010296

DAY 21 1028.6 0.0004818

DEUEL 17 623.6 0.0006434

DEWEY 17 2302.8 0.0001742

DOUGLAS 18 433.6 0.0009797

EDMUNDS 14 1145.7 0.0002884

FALL RIVER 22 1739.9 0.0002984

FAULK 13 1000.2 0.0003067

GRANT 15 682.5 0.0005187

GREGORY 15 1016 0.0003484

HAAKON 20 1813.1 0.0002603

HAMLIN 15 511.2 0.0006925

HAND 18 1436.7 0.0002957

HANSON 10 434.7 0.0005429

HARDING 12 2670.6 0.0001060

HUGHES 11 741 0.0003503

HUTCHINSON 32 813 0.0009289

HYDE 7 861.1 0.0001918

JACKSON 14 1869.3 0.0001768

JERAULD 7 530.3 0.0003115

JONES 6 970.6 0.0001459

KINGSBURY 23 838.4 0.0006474

LAKE 17 563.3 0.0007122

LAWRENCE 15 800.1 0.0004424

LINCOLN 25 578.1 0.0010206

LYMAN 31 1640.1 0.0004461

MARSHALL 12 574.6 0.0004929

MCCOOK 32 1137 0.0006642

MCPHERSON 14 838.9 0.0003938

MEADE 36 3470.8 0.0002448

Page 26: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

MELLETTE 12 1306.6 0.0002167

MINER 20 570.4 0.0008275

MINNEHAHA 31 809.2 0.0009041

MOODY 7 519.7 0.0003179

PENNINGTON 39 2776.4 0.0003315

PERKINS 33 2871.8 0.0002712

POTTER 15 866.5 0.0004085

ROBERTS 20 1101.3 0.0004286

SANBORN 13 569 0.0005392

SHANNON 13 2094 0.0001465

SPINK 30 1504 0.0004707

STANLEY 17 1443.4 0.0002780

SULLY 17 1007 0.0003984

TODD 30 1388.2 0.0005100

TRIPP 24 1613.6 0.0003510

TURNER 23 616.9 0.0008799

UNION 16 460.4 0.0008202

WALWORTH 16 707.8 0.0005335

YANKTON 21 521.6 0.0009502

ZIEBACK 8 1962.5 0.0000962

Tennessee

ANDERSON 2 337.5 0.0001399

BEDFORD 5 473.7 0.0002491

BENTON 8 394.8 0.0004782

BLEDSOE 5 406.3 0.0002904

BLOUNT 4 558.6 0.0001690

BRADLEY 11 328.8 0.0007895

CANNON 2 265.7 0.0001776

CARROLL 13 599.1 0.0005121

CARTER 2 341.1 0.0001384

CHEATHAM 3 302.7 0.0002339

CHESTER 10 288.5 0.0008180

CLAIRBORNE 1 434.3 0.0000543

COCKE 3 434.4 0.0001630

COFFEE 12 428.9 0.0006603

CROCKETT 7 265.3 0.0006227

CUMBERLAND 10 681.6 0.0003462

DAVIDSON 21 502.3 0.0009867

DECATUR 1 333.9 0.0000707

DEKALB 6 304.6 0.0004649

DICKSON 6 489.9 0.0002890

DYER 17 510.6 0.0007857

FAYETTE 15 704.5 0.0005025

FENTRESS 10 498.7 0.0004732

FRANKLIN 13 553.1 0.0005547

GIBSON 15 602.7 0.0005874

GILES 12 611 0.0004635

GRAINGER 2 280.4 0.0001683

GREENE 6 621.8 0.0002277

GRUNDY 3 360.6 0.0001963

HAMBLEN 1 161 0.0001466

HAMILTON 6 542.5 0.0002610

HANCOCK 1 222.3 0.0001062

HARDEMAN 11 667.6 0.0003889

HARDIN 9 577.9 0.0003675

HAWKINS 2 486.7 0.0000970

HAYWOOD 8 533.2 0.0003541

HENDERSON 9 520.1 0.0004084

HENRY 4 561.8 0.0001680

HICKMAN 2 612.7 0.0000770

HOUSTON 1 200.2 0.0001179

HUMPHREYS 7 532.2 0.0003104

JACKSON 5 308.9 0.0003820

JEFFERSON 3 273.8 0.0002586

JOHNSON 1 298.5 0.0000791

KNOX 6 508.5 0.0002785

LAKE 4 163.4 0.0005777

LAUDERDALE 17 470.5 0.0008527

LAWRENCE 21 617.2 0.0008030

LEWIS 4 282.1 0.0003346

LINCOLN 18 570.3 0.0007449

LOUDON 4 228.6 0.0004129

MACON 4 430.3 0.0002194

MADISON 18 560.1 0.0007584

MARION 8 307.1 0.0006148

MARSHALL 12 557.1 0.0005083

MAURY 10 499.8 0.0004722

MCMINN 10 375.4 0.0006287

MCNAIRY 10 612.9 0.0003851

MEIGS 2 194.9 0.0002422

MONROE 3 635.2 0.0001115

MONTGOMERY 15 539.2 0.0006565

MOORE 1 129.2 0.0001827

MORGAN 3 522.1 0.0001356

OBION 8 544.9 0.0003465

OVERTON 8 433.4 0.0004356

PERRY 1 414.9 0.0000569

PICKETT 4 162.9 0.0005795

POLK 7 435.1 0.0003797

PUTNAM 8 401 0.0004708

RHEA 1 315.9 0.0000747

ROANE 2 361 0.0001307

ROBERTSON 12 476.5 0.0005943

RUTHERFORD 19 619 0.0007244

SCOTT 4 532.1 0.0001774

SEQUATCHI 3 265.9 0.0002663

Page 27: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

SHELBY 45 754.9 0.0014068

SMITH 6 314.4 0.0004504

STEWART 9 457.7 0.0004641

SULLIVAN 2 413 0.0001143

SUMNER 20 529.4 0.0008916

TIPTON 14 459.4 0.0007192

TROUSDALE 4 114.2 0.0008266

UNICOL 1 186.1 0.0001268

UNION 1 223.6 0.0001055

VAN BUREN 1 273.5 0.0000863

WARREN 9 432.7 0.0004909

WASHINGTON 2 326.2 0.0001447

WAYNE 9 734 0.0002894

WEAKLEY 16 580.3 0.0006507

WHITE 8 376.7 0.0005012

WILLIAMSON 7 582.7 0.0002835

WILSON 20 570.6 0.0008272

Texas

ANDERSON 29 1070.9 0.0006391

ANDREWS 22 1500.7 0.0003460

ANGELINA 34 801.6 0.0010010

ARANSAS 6 252 0.0005619

ARCHER 22 909.8 0.0005707

ARMSTRONG 24 913.7 0.0006199

ATASCOSA 14 1232.2 0.0002681

AUSTIN 26 652.6 0.0009402

BAILEY 46 826.7 0.0013132

BANDERA 7 791.8 0.0002086

BASTROP 24 888.5 0.0006375

BAYLOR 20 870.8 0.0005420

BEE 24 880.2 0.0006435

BELL 53 1059 0.0011811

BEXAR 47 1246.9 0.0008896

BLANCO 10 711.3 0.0003318

BORDEN 4 898.9 0.0001050

BOSQUE 27 989.3 0.0006441

BOWIE 38 887.9 0.0010100

BRAZORIA 58 1386.9 0.0009869

BRAZOS 14 585.8 0.0005640

BREWSTER 12 6193 0.0000457

BRISCOE 29 900.3 0.0007602

BROOKS 5 943.3 0.0001251

BROWN 25 944 0.0006250

BURLESON 15 665.6 0.0005319

BURNET 22 995.3 0.0005217

CALDWELL 20 545.8 0.0008648

CALHOUN 20 512.4 0.0009212

CALLAHAN 35 898.7 0.0009191

CAMERON 43 905.6 0.0011206

CAMP 10 197.5 0.0011949

CARSON 65 923.2 0.0016616

CASS 42 937.5 0.0010573

CASTRO 43 898.4 0.0011296

CHAMBERS 23 599.4 0.0009056

CHEROKEE 22 1052.3 0.0004934

CHILDRESS 20 710.4 0.0006644

CLAY 23 1097.9 0.0004944

COCHRAN 25 775.2 0.0007611

COKE 9 898.9 0.0002363

COLEMAN 28 1272.9 0.0005191

COLLIN 33 847.7 0.0009187

COLLINSWORTH 31 918.8 0.0007963

COLORADO 28 963 0.0006862

COMAL 10 561.5 0.0004203

COMANCHE 34 937.8 0.0008556

CONCHO 21 991.5 0.0004998

COOKE 45 873.8 0.0012154

CORYELL 22 1051.9 0.0004936

COTTLE 19 901.2 0.0004976

CRANE 18 785.6 0.0005407

CROCKETT 6 2807.6 0.0000504

CROSBY 46 899.6 0.0012068

CULBERSON 5 3812.7 0.0000309

DALLAM 23 1504.8 0.0003607

DALLAS 77 879.9 0.0020652

DAWSON 41 902.1 0.0010726

DE WITT 12 1497.4 0.0001891

DEAF SMITH 25 277.2 0.0021284

DELTA 4 888.5 0.0001062

DENTON 29 909.3 0.0007527

DICKENS 25 904.3 0.0006524

DIMMIT 3 1331 0.0000532

DONLEY 33 929.8 0.0008376

DUVAL 13 1792.9 0.0001711

EASTLAND 42 926.1 0.0010703

ECTOR 35 901.1 0.0009167

EDWARDS 2 2119.9 0.0000223

EL PASO 5 940 0.0001255

ELLIS 35 1013.1 0.0008153

ERATH 30 1086.4 0.0006517

FALLS 11 769.1 0.0003375

FANNIN 46 891.6 0.0012176

FAYETTE 24 950.1 0.0005961

FISHER 34 901.2 0.0008904

FLOYD 35 992.3 0.0008324

FOARD 17 706.7 0.0005677

Page 28: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

FORT BEND 34 875 0.0009170

FRANKLIN 8 285.7 0.0006608

FREESTONE 7 885.3 0.0001866

FRIO 13 1133.1 0.0002708

GAINES 27 1502.4 0.0004241

GALVESTON 91 398.7 0.0053865

GARZA 17 895.6 0.0004480

GILLESPIE 11 1061.2 0.0002446

GLASSCOCK 10 900.8 0.0002620

GOLIAD 15 853.6 0.0004147

GONZALES 20 1067.9 0.0004420

GRAY 56 928.3 0.0014237

GRAYSON 57 933.7 0.0014407

GREGG 28 274.1 0.0024108

GRIMES 7 793.8 0.0002081

GUADALUPE 17 711.2 0.0005641

HALE 112 1004.7 0.0026308

HALL 34 903.1 0.0008885

HAMILTON 20 835.8 0.0005647

HANSFORD 46 919.9 0.0011801

HARDEMAN 29 695.4 0.0009842

HARDIN 15 894.4 0.0003958

HARRIS 178 1729 0.0024296

HARRISON 46 898.8 0.0012078

HARTLEY 24 1462.4 0.0003873

HASKELL 30 903 0.0007841

HAYS 16 677.9 0.0005570

HEMPHILL 31 909.7 0.0008042

HENDERSON 27 874.4 0.0007287

HIDALGO 28 1569.1 0.0004211

HILL 41 962.4 0.0010054

HOCKLEY 50 908.3 0.0012991

HOOD 19 421.6 0.0010636

HOPKINS 22 784.8 0.0006616

HOUSTON 16 1231 0.0003067

HOWARD 44 902.9 0.0011501

HUDSPETH 8 4571.3 0.0000413

HUNT 52 841.2 0.0014589

HUTCHINSON 53 887.4 0.0014095

IRION 12 1051.6 0.0002693

JACK 13 917.4 0.0003344

JACKSON 37 829.5 0.0010527

JASPER 28 937.5 0.0007049

JEFF DAVIS 8 2264.6 0.0000834

JEFFERSON 95 903.6 0.0024812

JIM HOGG 1 1136.2 0.0000208

JIM WELLS 29 864.7 0.0007915

JOHNSON 68 729.4 0.0022002

JONES 65 931.1 0.0016475

KARNES 18 750.4 0.0005661

KAUFMAN 24 786.1 0.0007205

KENDALL 14 662.5 0.0004987

KENEDY 4 1456.9 0.0000648

KENT 12 902.4 0.0003138

KERR 11 1106.3 0.0002347

KIMBLE 3 1250.8 0.0000566

KING 16 912.3 0.0004139

KINNEY 8 1363.5 0.0001385

KLEBERG 20 871.1 0.0005418

KNOX 21 854.2 0.0005802

LA SALLE 6 917.1 0.0001544

LAMAR 33 1016.3 0.0007663

LAMB 75 712.1 0.0024856

LAMPASAS 10 1489 0.0001585

LAVACA 28 970 0.0006812

LEE 25 628.6 0.0009386

LEON 15 1072.1 0.0003302

LIBERTY 43 1159.8 0.0008750

LIMESTONE 14 908.9 0.0003635

LIPSCOMB 21 932.2 0.0005316

LIVE OAK 18 1036.4 0.0004099

LLANO 9 934.9 0.0002272

LOVING 5 673.1 0.0001753

LUBBOCK 69 899.6 0.0018101

LYNN 35 891.9 0.0009261

MCCULLOCH 16 1069.4 0.0003531

MCLENNAN 48 1041.9 0.0010872

MCMULLEN 5 1113.1 0.0001060

MADISON 7 469.7 0.0003517

MARION 14 381.2 0.0008667

MARTIN 30 914.9 0.0007739

MASON 6 932.1 0.0001519

MATAGORDA 37 1114.5 0.0007835

MAVERICK 8 1280.2 0.0001475

MEDINA 14 1327.9 0.0002488

MIDLAND 26 900.3 0.0006816

MILAM 17 1016.8 0.0003946

MILLS 11 748.2 0.0003470

MITCHELL 34 910.1 0.0008817

MONTAGUE 36 930.7 0.0009129

MONTGOMERY 36 1044.3 0.0008136

MOORE 38 899.7 0.0009968

MORRIS 10 254.5 0.0009273

MOTLEY 18 989.4 0.0004294

NACOGDOCHES 37 946.8 0.0009223

NAVARRO 36 1071.2 0.0007931

NEWTON 11 932.8 0.0002783

NOLAN 28 912.1 0.0007245

Page 29: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

NUECES 87 835.9 0.0024563

OCHILTREE 39 917.6 0.0010031

OLDHAM 16 1500.7 0.0002516

ORANGE 25 356.4 0.0016554

PALO PINTO 25 953 0.0006191

PANOLA 24 801 0.0007071

PARKER 53 903.6 0.0013842

PALMER 39 881.7 0.0010439

PECOS 52 4764 0.0002576

POLK 18 1057.4 0.0004017

POTTER 30 909.4 0.0007785

PRISIDIO 5 3855.8 0.0000306

RAINS 13 232.1 0.0013218

RANDALL 58 914.5 0.0014968

REAGAN 12 1175.4 0.0002409

REAL 2 700 0.0000674

RED RIVER 25 1050.2 0.0005618

REEVES 36 2636.1 0.0003223

REFUGIO 13 770.3 0.0003983

ROBERTS 22 924.1 0.0005618

ROBERTSON 3 854.6 0.0000828

ROCKWALL 10 128.8 0.0018323

RUNNELS 40 1054.5 0.0008952

RUSK 29 923.6 0.0007410

SABINE 11 490.3 0.0005295

SAN AUGUSTINE 14 527.9 0.0006259

SAN JACINTO 10 570.7 0.0004135

SAN PATRICIO 34 691.8 0.0011599

SAN SABA 13 1134.5 0.0002704

SCHLEICHER 10 1310.7 0.0001801

SCURRY 30 902.6 0.0007844

SHACKELFORD 11 914 0.0002840

SHELBY 29 794.2 0.0008617

SHERMAN 25 923.1 0.0006392

SMITH 50 928.5 0.0012709

SOMERVELL 3 187.2 0.0003782

STARR 2 1223.1 0.0000386

STEPHENS 15 894.7 0.0003957

STERLING 9 923.4 0.0002300

STONEWALL 17 918.7 0.0004367

SUTTON 4 1453.9 0.0000649

SWISHER 50 900.5 0.0013104

TARRANT 64 863.5 0.0017492

TAYLOR 48 915.7 0.0012371

TERRELL 5 2357.9 0.0000500

TERRY 26 889.9 0.0006895

THROCKMORTON 26 912.4 0.0006725

TITUS 22 410.6 0.0012645

TOM GREEN 35 1522.2 0.0005426

TRAVIS 52 989.4 0.0012403

TRINITY 20 692.9 0.0006812

TYLER 11 923 0.0002813

UPSHUR 16 587.7 0.0006425

UPTON 12 1241.8 0.0002281

UVALDE 9 1556.6 0.0001365

VAL VERDE 28 3170.7 0.0002084

VAN ZANDT 19 848.8 0.0005283

VICTORIA 33 882.6 0.0008824

WALKER 13 787.5 0.0003896

WALLER 13 513.6 0.0005974

WARD 14 835.6 0.0003954

WASHINGOTN 19 609.3 0.0007359

WEBB 7 3357 0.0000492

WHARTON 46 1090.2 0.0009958

WHEELER 39 914.3 0.0010067

WICHITA 46 627.7 0.0017295

WILBARGER 39 971.1 0.0009478

WILLACY 7 596.7 0.0002769

WILLIAMSON 47 1124.4 0.0009865

WILSON 9 807.2 0.0002631

WINKLER 9 841.1 0.0002525

WISE 40 904.7 0.0010434

WOOD 32 650.3 0.0011613

YOAKUM 20 799.8 0.0005901

YOUNG 44 922.4 0.0011258

ZAPATA 3 996.8 0.0000710

ZAVALA 8 1298.6 0.0001454

Utah

BEAVER 4 2590.1 0.0000364

BOX ELDER 7 5723.7 0.0000289

CACHE 4 1164.6 0.0000811

DAGGETT 1 698.4 0.0000338

DAVIS 9 304.5 0.0006975

DUCHESNE 3 3238.4 0.0000219

EMERY 5 4452.1 0.0000265

GARFIELD 1 5174.5 0.0000046

GRAND 3 3681.8 0.0000192

IRON 4 3298.5 0.0000286

MILLARD 2 6589.6 0.0000072

PIUTE 1 757.9 0.0000311

RICH 2 1028.6 0.0000459

SALT LAKE 13 737.4 0.0004161

SANPETE 5 1588.2 0.0000743

SEVIER 2 1910.4 0.0000247

TOOELE 5 6945.9 0.0000170

UINTAH 5 4477.3 0.0000264

Page 30: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

UTAH 7 1998.4 0.0000827

WASHINGTON 2 2427.2 0.0000194

WAYNE 6 2460.5 0.0000575

WEBER 6 575.6 0.0002460

Vermont

ADDISON 1 770 0.0000306

BENNINGTON 4 676.3 0.0001396

CHITTENDEN 5 539 0.0002189

ESSEX 2 665.3 0.0000709

FRANKLIN 8 637.1 0.0002963

LAMOILLE 1 460.6 0.0000512

ORANGE 1 688.7 0.0000343

ORLEANS 3 696.9 0.0001016

RUTLAND 1 932.2 0.0000253

WINDHAM 2 788.8 0.0000598

WINDSOR 4 971.3 0.0000972

Virginia*

ACCOMACK 7 454.6 0.0003634

ALBEMARLE 4 722.8 0.0001306

AMELIA 3 356.8 0.0001984

AMHERST 2 475.3 0.0000993

APPOMATTOX 1 333.7 0.0000707

ARLINGTON 1 25.9 0.0009112

AUGUSTA 8 971.7 0.0001943

BEDFORD 3 754.8 0.0000938

BOTETOURT 1 542.7 0.0000435

BRISTOL ( C ) 1 11.6 0.0020345

BRUNSWICK 6 566.2 0.0002501

BUCKINGHAM 4 580.9 0.0001625

CAMPBELL 3 504.5 0.0001403

CAROLINE 5 532.6 0.0002216

CARROLL 3 476.5 0.0001486

CHARLES CITY ( C ) 1 182.5 0.0001293

CHARLOTTE 5 475 0.0002484

CHARLOTTESVILLE ( C ) 1 10.3 0.0022913

CHESAPEAKE ( C ) 6 340.7 0.0004156

CHERSTERFIELD 8 425.7 0.0004435

CLARKE 6 176.6 0.0008018

CULPEPPER 1 381.2 0.0000619

CUMBERLAND 1 43.1 0.0005476

DANVILLE ( C ) 1 298.5 0.0000791

DICKENSON 1 332.7 0.0000709

DINWIDDIE 6 503.8 0.0002811

EMPORIA 2 6.9 0.0068406

ESSEX 1 257.8 0.0000915

FAIRFAX 11 395.6 0.0006562

FALLS CHURCH ( C ) 1 2 0.0118000

FAUQUIER 7 650.3 0.0002540

FLOYD 1 381.5 0.0000619

FLUVANNA 3 287.4 0.0002463

FRANKLIN 2 692.1 0.0000682

FREDERICK 5 414.6 0.0002846

FREDERICKSBURG ( C ) 1 10.5 0.0022476

GLOUCESTER 9 216.6 0.0009806

GOOCHLAND 4 284.5 0.0003318

GRAYSON 1 442.7 0.0000533

GREENE 4 156.6 0.0006028

GREENSVILLE 2 295.5 0.0001597

HALIFAX 7 813.8 0.0002030

HAMPTON ( C ) 3 51.8 0.0013668

HANOVER 4 472.8 0.0001997

HENRICO 4 238.1 0.0003965

HENRY 4 382.4 0.0002469

HIGHLAND 1 415.9 0.0000567

HOPEWELL ( C ) 1 10.2 0.0023137

ISLE OF WIGHT 6 315.9 0.0004482

JAMES CITY 1 142.9 0.0001652

KING AND QUEEN 2 316.3 0.0001492

KING GEORGE 1 180 0.0001311

KING WILLIAM 2 275.4 0.0001714

LANCASTER 3 133.2 0.0005315

LEE 1 437.2 0.0000540

LOUDOUN 14 519.9 0.0006355

LOUISA 7 497.5 0.0003321

LUNENBURG 1 431.8 0.0000547

MADISON 6 321.5 0.0004404

MATHEWS 3 85.7 0.0008261

MECHLENBURG 4 624 0.0001513

MIDDLESEX 4 130.3 0.0007245

MONTGOMERY 2 388.2 0.0001216

NELSON 1 472.4 0.0000500

NEW KENT 1 209.8 0.0001125

NEWPORT NEWS ( C ) 5 68.3 0.0017277

NORFOLK ( C ) 10 53.8 0.0043866

NORTHAMPTON 4 207.4 0.0004552

NORTHUMBERLAND 5 192.3 0.0006136

NOTTOWAY 6 314.7 0.0004500

ORANGE 6 341.7 0.0004144

PAGE 1 311.1 0.0000759

PATRICK 2 483.2 0.0000977

PETERSBURG ( C ) 2 22.9 0.0020611

PITTSYLVANIA 9 970.9 0.0002188

PORTSMOUTH ( C ) 2 33.1 0.0014260

POWHATAN 1 261.3 0.0000903

Page 31: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

PRINCE EDWARD 1 352.8 0.0000669

PRINCE GEORGE 1 265.6 0.0000889

PRINCE WILLIAM 3 338.4 0.0002092

RAPPAHANNOCK 2 266.6 0.0001770

RICHMOND 4 191.5 0.0004930

RICHMOND ( C ) 5 60.1 0.0019634

ROANOKE 2 250.7 0.0001883

ROCKBRIDGE 1 599.7 0.0000394

ROCKINGHAM 5 851.2 0.0001386

RUSSELL 1 474.7 0.0000497

SCOTT 1 536.6 0.0000440

SHENANDOAH 2 512.2 0.0000922

SMYTH 4 452.1 0.0002088

SOUTHAMPTON 4 600.3 0.0001573

SPOTSYLVANIA 5 400.9 0.0002943

STAFFORD 1 400.1 0.0000590

SUFFOLK ( C ) 6 270 0.0005244

SURRY 3 279.1 0.0002537

SUSSEX 4 490.8 0.0001923

VIRGINA BEACH ( C ) 7 248.3 0.0006653

WARREN 1 213.7 0.0001104

WASHINGTON 6 564.2 0.0002510

WESTMORELAND 4 229.2 0.0004119

WISE 1 403.4 0.0000585

YORK 2 105.6 0.0004470

Washington

ADAMS 3 1925 0.0000368

BENTON 1 1703.1 0.0000139

CLARK 6 627.9 0.0002255

COLUMBIA 2 868.8 0.0000543

COWLITZ 2 1138.7 0.0000415

DOUGLAS 1 1820.6 0.0000130

FRANKLIN 2 1242.2 0.0000380

GRANT 3 2676.4 0.0000265

GRAYS HARBOR 2 1917.3 0.0000246

KING 4 2126.1 0.0000444

KITSAP 1 396 0.0000596

LEWIS 1 2407.8 0.0000098

LINCOLN 5 2311.2 0.0000511

OKANOGAN 5 5268.3 0.0000224

PACIFIC 2 974.6 0.0000484

PEND OREILLE 1 1400.5 0.0000169

PIERCE 4 1675.5 0.0000563

SAN JUAN 1 174.9 0.0001349

SNOHOMISH 4 2090.2 0.0000452

SPOKANE 10 1763.8 0.0001338

STEVENS 5 2478.3 0.0000476

THURSTON 1 727.1 0.0000325

WALLA WALLA 5 1270.5 0.0000929

WHITMAN 2 2159.4 0.0000219

YAKIMA 4 4296.1 0.0000220

West Virginia

BARBOUR 1 340.8 0.0000692

BERKELEY 7 321.2 0.0005143

BRAXTON 1 513.5 0.0000460

CABELL 1 281.6 0.0000838

DODDRIDGE 2 320.5 0.0001473

FAYETTE 3 664 0.0001066

GILMER 1 340.1 0.0000694

GRANT 2 477.2 0.0000989

GREENBRIER 6 1021.3 0.0001386

HAMPSHIRE 2 641.8 0.0000735

HARRISON 4 416.1 0.0002269

JACKSON 1 465.8 0.0000507

JEFFERSON 2 209.6 0.0002252

KANAWHA 6 903.2 0.0001568

LEWIS 3 388.8 0.0001821

LINCOLN 3 437.5 0.0001618

MARION 5 309.7 0.0003810

MARSHALL 1 307 0.0000769

MASON 2 431.9 0.0001093

MCDOWELL 2 534.8 0.0000883

MERCER 1 420.5 0.0000561

MINERAL 1 327.8 0.0000720

MONONGALIA 3 361.2 0.0001960

MONROE 2 473.4 0.0000997

MORGAN 1 229 0.0001031

NICHOLAS 2 648.7 0.0000728

OHIO 2 106.2 0.0004444

PENDLETON 2 698 0.0000676

PLEASANTS 1 130.7 0.0001806

PRESTON 8 648.4 0.0002912

PUTNAM 5 346.3 0.0003407

RALEIGH 6 607 0.0002333

RANDOLPH 4 1039.8 0.0000908

ROANE 1 483.6 0.0000488

SUMMERS 2 361.2 0.0001307

TAYLOR 2 172.8 0.0002731

TUCKER 3 418.9 0.0001690

TYLER 1 257.6 0.0000916

WAYNE 2 505.8 0.0000933

WETZEL 1 359.2 0.0000657

WOOD 5 367.4 0.0003212

WYOMING 1 500.9 0.0000471

Page 32: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

Wisconsin

ADAMS 12 647.8 0.0004372

ASHLAND 7 1043.9 0.0001583

BARRON 28 862.9 0.0007658

BAYFIELD 5 1476.4 0.0000799

BROWN 17 528.7 0.0007588

BUFFALO 12 684.5 0.0004137

BURNETT 6 821.5 0.0001724

CALUMET 14 319.9 0.0010328

CHIPPEWA 26 1010.5 0.0006072

CLARK 18 1215.7 0.0003494

COLUMBIA 21 773.9 0.0006404

CRAWFORD 9 572.8 0.0003708

DANE 33 1202.2 0.0006478

DODGE 46 882.4 0.0012303

DOOR 8 482.7 0.0003911

DOUGLAS 8 1309.3 0.0001442

DUNN 14 852.1 0.0003877

EAU CLAIRE 14 637.7 0.0005181

FLORENCE 1 488.1 0.0000484

FOND DU LAC 31 723 0.0010119

FOREST 4 1014.1 0.0000931

GRANT 34 1147.9 0.0006990

GREEN 13 584 0.0005253

GREEN LAKE 15 354.3 0.0009992

IOWA 16 762.7 0.0004951

IRON 3 757.3 0.0000935

JACKSON 10 987.3 0.0002390

JEFFERSON 17 557.1 0.0007202

JUNEAU 19 767.7 0.0005841

KENOSHA 3 272.8 0.0002595

KEWAUNEE 7 342.7 0.0004821

LA CROSSE 12 452.8 0.0006254

LAFAYETTE 19 633.6 0.0007077

LANGLADE 5 872.7 0.0001352

LINCOLN 12 883 0.0003207

MANITOWOC 16 591.6 0.0006383

MARATHON 32 1545.1 0.0004888

MARINETTE 16 1402 0.0002693

MARQUETTE 12 455.5 0.0006217

MENOMINEE ( C ) 1 358 0.0000659

MILWAUKEE 17 241.6 0.0016606

MONROE 15 900.9 0.0003929

OCONTO 9 998.1 0.0002128

ONEIDA 14 1124.7 0.0002938

OUTAGAMIE 12 640.4 0.0004422

OZAUKEE 3 232 0.0003052

PEPIN 5 232.3 0.0005080

PIERCE 13 576.5 0.0005322

POLK 17 917.3 0.0004374

PORTAGE 18 806.4 0.0005268

PRICE 15 1252.7 0.0002826

RACINE 14 333.1 0.0009919

RICHLAND 8 586.3 0.0003220

ROCK 18 720.5 0.0005896

RUSK 12 913.2 0.0003101

SAUK 15 722 0.0004903

SAWYER 8 837.7 0.0002254

SHAWANO 10 1256.5 0.0001878

SHEBOYGAN 6 892.6 0.0001586

ST. CROIX 20 513.7 0.0009188

TAYLOR 4 975 0.0000968

TREMPEALEAU 13 734.1 0.0004179

VERNON 16 795 0.0004750

VILAS 13 872.8 0.0003515

WALWORTH 20 555.4 0.0008498

WASHBURN 7 809.7 0.0002040

WASHINGTON 10 430.8 0.0005478

WAUKESHA 23 555.6 0.0009770

WAUPACA 11 751.1 0.0003456

WAUSHARA 13 626.1 0.0004900

WINNEBAGO 10 438.6 0.0005381

WOOD 13 792.9 0.0003869

Wyoming

ALBANY 17 4273.8 0.0000939

BIG HORN 24 3137.1 0.0001805

CAMPBELL 62 4796.9 0.0003050

CARBON 15 7896.6 0.0000448

CONVERSE 37 4254.9 0.0002052

CROOK 28 2858.7 0.0002312

FREMONT 15 9182.7 0.0000386

GOSHEN 62 2225.5 0.0006575

HOT SPRINGS 1 2004 0.0000118

JOHNSON 17 4166.4 0.0000963

LARAMIE 88 2686.2 0.0007731

LINCOLN 5 4069.3 0.0000290

NATRONA 28 5340.1 0.0001237

NIOBRARA 28 2625.9 0.0002516

PARK 6 6942.7 0.0000204

PLATTE 29 2085 0.0003282

SHERIDAN 9 2523.4 0.0000842

SUBLETTE 3 4881.6 0.0000145

SWEETWATER 17 10425.9 0.0000385

TETON 1 4007.9 0.0000059

Page 33: Tornado Frequency Tables for each County in the US · 2013-02-18 · Tornado Frequency Tables for each County in the US No. Tornadoes, 1953-2002 Area of County (Sq. Mi.) Estimated

UINTA 3 2081.8 0.0000340

WASHAKIE 5 2240.2 0.0000527

WESTON 16 2397.9 0.0001575