1. Weather and Disasters

2. Weather is… The condition of the atmosphere at a particular location and time

3. Causes of Weather Water vapor Water vapor Cloud cover Cloud cover Landforms and bodies of water Landforms and bodies of water Elevation Elevation Air movement Air movement

4. Precipitation Definition: falling of water droplets in the form of rain, sleet, snow or hail Definition: falling of water droplets in the form of rain, sleet, snow or hail Three Types:(Diagram in your book on pg 50) Three Types:(Diagram in your book on pg 50) 1- convectional1- convectional 2- Orographic2- Orographic 3- Frontal3- Frontal

5. Extreme Weather Hurricanes Hurricanes AKA: Typhoons, Tropical Cyclones, Willy-willies, Baguios, Chubascos Tornadoes Tornadoes Blizzards (heavy snowstorm) Blizzards (heavy snowstorm) Droughts (long period without rain) Droughts (long period without rain) Floods (too much water) Floods (too much water)

6. Hurricanes http://video.google.com/videoplay?docid=59545219389281 73924&q=hurricane+katrina&hl=en

7. Hurricane Formation 1. Ocean warms up to 80 degrees Fahrenheit (Tropic of Cancer for N. Hemisphere) 2. Convection Current creates clouds and releases energy 3. Spinning of the earth spins the storm

8. The Saffir-Simpson Hurricane Scale How Hurricanes are measured (like the Richter scale for earthquakes) http://www.nhc.noaa.gov/aboutsshs. shtml http://www.nhc.noaa.gov/aboutsshs. shtml http://www.nhc.noaa.gov/aboutsshs. shtml http://www.nhc.noaa.gov/aboutsshs. shtml

9. Hurricane Katrina and the Five Themes www.cnn.com www.cnn.com Movement Movement Region Region Location Location Interaction Interaction Place Place

10. Hurricane Season is here www.weatherchannel.com