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Hurricane
Definitions |
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EYE: The low-pressure center
of a tropical cyclone, also called a hurricane. Winds are normally calm and
sometimes the sky clears. EYE WALL: The ring of
thunderstorms that surrounds a storm's eye. The heaviest rain, strongest
winds and worst turbulence are normally in the eye wall. HURRICANE: A tropical cyclone
with winds of 74 mph or more. Normally applied to storms in the TROPICAL DEPRESSION: Has evidence of
closed wind circulation around a center with sustained winds from 20 to 33
knots (23 to 38 mph). TROPICAL STORM: Maximum sustained
winds are from 34 to 63 knots (39 to 73 mph). A storm is named once it
reaches tropical storm strength. TROPICAL WAVE: A kink or bend in the
normally straight flow of surface air in the tropics which forms a low
pressure trough, or pressure boundary, and showers and thunderstorms. Can
develop into a tropical cyclone, i.e., a hurricane. WATCH: A hurricane watch
means a hurricane is possible in your area, generally within 36 hours. Keep
listening to NOAA weather radio, local radio or
local television for updated information. Hurricanes can change direction and
speed, and they can gain strength very quickly. It's important to keep
listening for updated information several times a day. WARNING: A
warning means sustained winds of 64 knots (74 mph) or higher
associated with a hurricane are expected in a specified coastal area in 24
hours or less. A hurricane warning can remain in effect when dangerously high
water or a combination of dangerously high water and exceptionally high waves
continues, even though winds may be less than hurricane force. If told to
move to a shelter or evacuate the area, do so immediately. |
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HURRICANE-HELP |
BEFORE-THE-STORM |
DURING-THE-STORM |
AFTER-THE-STORM |
IT PROFESSIONALS |
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