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What is a Hurricane?
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For information about current storm status in
relation to FIU operations, visit FIU's Current
weather and hurricane information site at http://www.fiu911.org/hurricane/
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A Hurricane is a tropical cyclone with a defined surface circulation and accompanying thunderstorms. It is a low pressure system that generally forms and feeds off the warm waters in the tropics. In the Northern Hemisphere, these cyclones spin in a counter-clockwise direction. The Hurricane season runs from the months of June - November. These cyclones are separated into three major catagories, depending on their maximum sustained wind speeds:
Tropical Depression - 38mph or below
Tropical Storm - 39mph through 73mph
Hurricane - 74mph or above
Hurricanes are yet again separated into five categories, depending on the strength of their wind. This called is the SAFFIR-SIMPSON Hurricane Scale.
Category 1 - 74mph - 95mph
Category 2 - 96mph - 110mph
Category 3 - 111mph - 130mph
Category 4 - 131mph - 155mph
Category 5 - 155+ mph
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