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Severe Weather

Severe Weather. Week 6. Questions for Discussion. Which types of severe weather risk are you willing to live with? Why? What level of risk from severe weather is acceptable to you? (How would you know if the severe weather risk was assessed accurately?)

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Severe Weather

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  1. Severe Weather Week 6

  2. Questions for Discussion • Which types of severe weather risk are you willing to live with? Why? • What level of risk from severe weather is acceptable to you? (How would you know if the severe weather risk was assessed accurately?) • What should be done by people and communities to prepare for severe weather hazards and prevent catastrophe?

  3. Other Things to Consider • What factors influence the impact of severe weather? • How do severe weather hazards vary from place to place? Why? • The five fundamental concepts form Chapter 1

  4. Weather & Climate • Weather is… • Climate is… • Changing weather vs. changing climate

  5. Energy transfer radiation (light>surface>air) convection (air currents) role of water Structure of the atmosphere How it works

  6. Heat energy moves from equator to poles Creates high & low pressure systems Atmospheric Circulation • Deflected by coriolis effect

  7. Weather Systems • Frontal weather & extra-tropical cyclones (next slide) • Tropical cyclones (next week) • Monsoonal climates • movement of ITCZ north and south with the seasons • ITCZ is zone of rising (and rainy) air

  8. Frontal Weather

  9. Lightning Rain Hail Wind Thunderstorms

  10. Tornadoes

  11. Thunderstorms Tornadoes Risk

  12. Blizzards & Ice Storms

  13. Other Hazardous Weather • Fog • Windstorms • Dust & sand storms • Heatwaves • Cold snaps

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