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Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christophers Charles E. Thomsen

Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

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Weather Air Masses Atmospheric Lifting Mechanisms Midlatitude Cyclonic Systems Violent Weather

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Page 1: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Chapter 8Weather

  Geosystems 6eAn Introduction to Physical Geography

Robert W. ChristophersonCharles E. Thomsen

Page 2: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen
Page 3: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Weather Air Masses  Atmospheric Lifting Mechanisms  Midlatitude Cyclonic Systems  Violent Weather  

Page 4: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Air Masses Air Masses Affecting North America  Air Mass Modification  

Page 5: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Air Masses

Figure 8.2

Page 6: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Atmospheric Lifting Mechanisms Convergent Lifting  Convectional Lifting  Orographic Lifting  Frontal Lifting (Cold and Warm Fronts)  

Page 7: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Lake Effect

Snowbelts

Figure 8.5

Page 8: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Atmospheric Lifting Mechanisms 

Figure 8.6

Page 9: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Local Heating and Convection

Figure 8.7

Page 10: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Convection over Florida

Figure 8.8

Page 11: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Orographic Precipitation

Figure 8.9

Page 12: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Orographic Patterns

Figure 8.10

Page 13: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Frontal LiftingCold Fronts

Cold air forces warm air aloft400 km wide (250 mi)

Warm FrontsWarm air moves up and over cold air1000 km wide (600 mi)

Page 14: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Cold Front

Figure 8.11

Page 15: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Cold Frontand

Squall Line

Figure 8.12

Page 16: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Warm Front

Figure 8.13

Page 17: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Life Cycle of a Midlatitude Cyclone CyclogenesisOpen stageOccluded stage

Occluded frontStationary front

Dissolving stageStorm tracks

Page 18: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Midlatitude Cyclone

Figure 8.14

Page 19: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Midlatitude Cyclone

Figure 8.15

Page 20: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Average and Actual Storm Tracks

Figure 8.16

Page 21: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Weather Forecasting

Figure 8.17

Page 22: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Violent WeatherThunderstorms  Tornadoes  Tropical Cyclones  

Page 23: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Thunderstorms

Figure 8.19

Page 24: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Thunderstorms

Figure 8.20

Page 25: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Hailstones

Figure 8.21

Page 26: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Thunderstorms

Figure 8.22

Page 27: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Mesocyclone andTornado

Figure 8.23

Page 28: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Tornadoes

Figure 8.23 Figure 8.24

Page 29: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Tornado Damage

Figure 8.23

Page 30: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Tornadoes

Figure 8.25

Page 31: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Easterly Wave

Figure 8.26

Page 32: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Tropical Cyclones

Figure 8.27

Page 33: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Canadian and Brazilian Hurricanes

Figure 8.28

Page 34: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen
Page 35: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Hurricane Isabel, Cape Hatteras and the Outer Banks

Figure 8.29

Page 36: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Profile of a Hurricane

Figure 8.30

Page 37: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

1995 Atlantic Storm Season

Figure FS 8.1.1

Page 38: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

1995 Atlantic Storm Season

Figure FS 8.1.2

Page 39: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

Hurricane Andrew

Figure 8.31

Page 40: Chapter 8 Weather Geosystems 6e An Introduction to Physical Geography Robert W. Christopherson Charles E. Thomsen

End of Chapter 8

  Geosystems 6eAn Introduction to Physical Geography

Robert W. ChristophersonCharles E. Thomsen