Hurricanes
What is a hurricane? Hurricanes are tropical cyclones. They form in the southern Atlantic Ocean, Caribbean, Gulf of Mexi...
What conditions must exist for ahurricane to form? Low to medium winds blowing in the same  direction 5–30 degrees north...
How do hurricanes form? The air mass above the tropical waters takes on the  temperature and humidity of the water beneat...
How do hurricanes move? Hurricanes turn to the right, away from the equator, because of the Coriolis Effect caused by Ear...
Where does the energy for ahurricane originate? The Sun heats the oceans. Warm air rises, and as it cools, it releases e...
Why don’t hurricanes form inhigher latitudes? The temperature of the oceans is not warm enough. The distance is too far ...
Hurricane Katrina
Reflective QuestionHow do oceans play a role in thedevelopment of weather systems includinghurricanes?
Hurricanes cscope with video clips
Hurricanes cscope with video clips
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Hurricanes cscope with video clips

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  • http://www.srh.noaa.gov/crp/?n=education-hurricanes
  • http://ngs.woc.noaa.gov/katrina/
  • Hurricanes cscope with video clips

    1. 1. Hurricanes
    2. 2. What is a hurricane? Hurricanes are tropical cyclones. They form in the southern Atlantic Ocean, Caribbean, Gulf of Mexico, and eastern Pacific Ocean. Their winds spiral outward in a counterclockwise, circulation pattern.
    3. 3. What conditions must exist for ahurricane to form? Low to medium winds blowing in the same direction 5–30 degrees north of the equator in the ocean Ocean surface temperature of greater than 80 F that extends down to about 150 feet deep (50 m) Lower atmosphere must be moist
    4. 4. How do hurricanes form? The air mass above the tropical waters takes on the temperature and humidity of the water beneath it. Incoming winds force the air upward. The warm, moist air rises, forming water vapor and clouds. Above the storm, the winds flow outward. Outside winds blow inward, and the cycle repeats.
    5. 5. How do hurricanes move? Hurricanes turn to the right, away from the equator, because of the Coriolis Effect caused by Earth’s rotation. You will learn about this phenomenon later in the lesson.
    6. 6. Where does the energy for ahurricane originate? The Sun heats the oceans. Warm air rises, and as it cools, it releases energy, fueling the hurricane.
    7. 7. Why don’t hurricanes form inhigher latitudes? The temperature of the oceans is not warm enough. The distance is too far from the equator.
    8. 8. Hurricane Katrina
    9. 9. Reflective QuestionHow do oceans play a role in thedevelopment of weather systems includinghurricanes?
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