Hurricane katrina absorb activity

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  • 1. Hurricane Katrina
  • 2. What’s in a Name?
    Hurricane– kind of storm scientists refer to as a strong tropical cyclone
    Typhoon-- when the same kind of storm occurs in the western North Pacific Ocean
    Cyclone— when the same kind of storm occurs in the southwest Pacific Ocean and the Indian Ocean
  • 3. Where Are Hurricanes, Typhoons, and Cyclones Born?
  • 4. Hurricane Categories
  • 5. Hurricane Katrina Hits Land
  • 6. How do Hurricanes Form?
    Tropical cyclones are like giant engines that use warm, moist air as fuel. That is why they form only over warm ocean waters near the equator.
    The warm, moist air over the ocean rises upward from near the surface. Because this air moves up and away from the surface, there is less air left near the surface—causing a steep drop in barometric pressure
  • 7. What Causes Hurricanes to Spin?
    As the warm air continues to rise, the surrounding air swirls in to take its place.
    As the warmed, moist air rises and cools off, the water in the air forms clouds.
    The whole system of clouds and wind spins and grows into the different category of storms.
  • 8. What is the Eye of Storm?
    As the storm system rotates faster and faster, an eye forms in the center.
    It is very calm and clear in the eye, with very low air pressure.
    Higher pressure air
    from above flows
    down into the eye.
  • 9. How Hurricane Katrina Moved?
  • 10. Hurricane Katrina Moves Toward New Orleans, Louisiana
  • 11. How Weather Satellites Help Weather Forecasters
  • 12. How Satellites Record Information
    Weather satellites carry instruments called radiometers (radio waves, not cameras) that scan the Earth to form images.
    These instruments have small telescopes/ antenna/scanning mechanisms and infrared detectors
    These and other systems
    monitor weather systems
    around the world.
  • 13. Two Types of Satellites are Needed Near and Far from the Earth
    Captured measurements are transmitted to receiving stations on the ground.
    Data are then sent to various weather forecast centers around the world
  • 14. How do Satellites Work and Help Everyday
  • 15. What is Predicted for Hurricane Season 2011
  • 16. How to Be Prepared for 2011
    Discuss the type of hazards that could affect your family. Know your home's vulnerability to storm surge, flooding and wind.
    Locate a safe room or the safest areas in your home for each hurricane hazard. In certain circumstances the safest areas may not be your home but within your community.
    Determine escape routes from your home and places to meet. These should be measured in tens of miles rather than hundreds of miles.
    Have an out-of-state friend as a family contact, so all your family members have a single point of contact.
  • 17. Make a plan now for what to do with your pets if you need to evacuate.
    Post emergency telephone numbers by your phones and make sure your children know how and when to call 911.
    Check your insurance coverage - flood damage is not usually covered by homeowners insurance.
    Stock non-perishable emergency supplies and a Disaster Supply Kit
    Use a NOAA weather radio. Remember to replace its battery every 6 months, as you do with your smoke detectors.
    Take First Aid, CPR and disaster preparedness classes.
  • 18.
  • 19. References