Weekly Weather BriefingWeekly Weather Briefing08/04/201108/04/2011

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Matthew DuplantisMatthew DuplantisMeteorologistMeteorologist

National Weather Service Shreveport, LouisianaNational Weather Service Shreveport, Louisiana

OverviewToday and FridayToday and Friday

Forecast Highs today would break record highs at all major Forecast Highs today would break record highs at all major climatological sites in our area!climatological sites in our area!

Excessive Heat Warning in effect through Friday eveningExcessive Heat Warning in effect through Friday evening Heat Emergency continues through today for entire four Heat Emergency continues through today for entire four

state area…state area…WeekendWeekend

Extreme Heat continues…but temperatures will be relatively Extreme Heat continues…but temperatures will be relatively cooler than the end of this week.cooler than the end of this week.

Very weak chances of precipitation…Very weak chances of precipitation…Monday through WednesdayMonday through Wednesday

High pressure ridge shifts slightly west back into central High pressure ridge shifts slightly west back into central Texas.Texas.

High temperatures slowly cooling back closer to 100 by the High temperatures slowly cooling back closer to 100 by the end of the period.end of the period.

Very slight chances for precipitation…Very slight chances for precipitation…

National Weather Service Shreveport, LouisianaNational Weather Service Shreveport, Louisiana

CurrentlyCurrently

Emily

Today (Thursday)Today (Thursday)Forecast Forecast

RecordsRecords

FridayFriday Ridge Ridge

remains remains centered over centered over ArklatexArklatex

Smothering Smothering heat heat continues…continues…

Friday Friday Forecast Forecast HighsHighs

WeekendWeekend Upper ridge Upper ridge

shifts slightly to shifts slightly to the west…back the west…back towards central towards central Texas…Texas…

Temperatures Temperatures are relatively are relatively cooler than this cooler than this week…but still week…but still very hot…very hot…

Forecast Precip Total for Forecast Precip Total for Next 5 DaysNext 5 Days

Virtually NIL Virtually NIL for the entire for the entire 4 state 4 state area…area…

No relief No relief through the through the beginning of beginning of next week!next week!

WednesdayWednesday Upper ridge Upper ridge

shifts further shifts further west to west west to west Texas…Texas…

Could see Could see some increased some increased chances for chances for precipitation precipitation with weak with weak northwest northwest flow…flow…

TropicsTropics

Ongoing DroughtOngoing Drought Much of Much of

Northwest and Northwest and North-central North-central Louisiana Louisiana remains under remains under D3-D4 drought D3-D4 drought conditions.conditions.

Improvements Improvements in South LA are in South LA are why numbers why numbers are improving.are improving.

Ongoing DroughtOngoing Drought

Much of east Much of east Texas Texas along/south of along/south of I-20 under I-20 under D3-D4 drought D3-D4 drought conditions.conditions.

Ongoing DroughtOngoing Drought

All of Southern All of Southern Arkansas under Arkansas under D2-D3 drought D2-D3 drought conditions.conditions.

Temperature Outlook (1 Temperature Outlook (1 Month)Month)

Not looking good…Not looking good…

Heat FactsHeat Facts100 Degree Facts as of 08/04/2011 (contingent)100 Degree Facts as of 08/04/2011 (contingent)

38 consecutive days of 100+ degrees in Tyler38 consecutive days of 100+ degrees in Tyler 50 days of 100+ for Tyler this summer50 days of 100+ for Tyler this summer 42 days of 100+ for Longview this summer42 days of 100+ for Longview this summer 33 days of 100+ for Shreveport this summer33 days of 100+ for Shreveport this summer

All time records (F°)All time records (F°) Texarkana – 117 (08/10/1936)Texarkana – 117 (08/10/1936) Longview – 113 (08/10/1936)Longview – 113 (08/10/1936) El Dorado – 112 (08/10/1936, 08/31/2000)El Dorado – 112 (08/10/1936, 08/31/2000) Tyler – 111 (07/31/1921) Tyler – 111 (07/31/1921) **** Lufkin – 110 (08/19/1909, 09/04/2000)Lufkin – 110 (08/19/1909, 09/04/2000) Shreveport – 110 (08/18/1909) Shreveport – 110 (08/18/1909) **** Monroe – 108 (06/21/1931, 07/29/1930, 08/09/1935) Monroe – 108 (06/21/1931, 07/29/1930, 08/09/1935) **** ** Forecast today will come very close to these ** Forecast today will come very close to these

values **values **

Yesterday’s RecordsYesterday’s Records

New Records set…some shattered…New Records set…some shattered…

LOCATION NEW OLD DIFFERENCE

Longview 110 (2011) 105 (1937)

+5

Shreveport 109 (2011) 104 (2008)

+5

El Dorado 108 (2011) 104 (2008)

+4

Texarkana 111 (2011) 108 (1896)

+3

Tyler 110 (2011) 107 (1998)

+3

Monroe 107 (2011) 105 (2010)

+2

Lufkin 106 (2011) 105 (1998)

+1

NEXT CONFERENCE CALL:

ThursdayThursday Aug 11, 2011 10 AM Aug 11, 2011 10 AM

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National Weather Service Shreveport, LouisianaNational Weather Service Shreveport, Louisiana