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pd7 group4 pd7 group4 Presentation Transcript

  • The most powerful storm is the hurricane.
    • It is a large, swirling, low-pressure system that forms over the mid Atlantic ocean.
    • Its like a machine that turns the heat energy from the ocean into wind.
    • Similar storms are called typhoons and cyclones but there not as strong
    • There are several elements that—when combined at the "right" amount of time and under the "right" conditions—will create a hurricane
    • The beginning of life for any hurricane is a pre-existing tropical disturbance—an area of low atmospheric pressure
    • The warmth and moisture of the ocean during late summer and early fall months energizes the pre-storm conditions and leads to thunderstorms.
    • If thunderstorms persist and winds pick up to 40 miles per hour, the tropical disturbance officially becomes a tropical storm.
    • After a set amount of time, if the heat and water moisture continue to rise it will eventually turn into a hurricane.
    • When a hurricane strikes land, high wind, tornadoes, heavy rains, and high waves cause a lot of damage.
    • Floods from the rain can cause additional damage
    • Hurricane weather can destroy crops, demolish buildings, kill people, and other animals..
    • As long as its over water, the warm, moist air rises and provides energy for the storm.
  •