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Tropical Cyclones

QuestionAnswer
Tropical Cyclone Conditions: 1) warm water (tropics) 2) disturbance in trade wind belt (tropical wave) or convergence of ITCZ 3)No jet stream
Direction of movement of tropical cyclone West to Northwest in NH
Tropical Cyclone NH Season June through November (Peak = September - October)
Tropical cyclone latitudes 25 degrees N/S (tropics)
Tropical Cyclone types and oceans 1)Hurricane = Atlantic and East Pacific 2)Typhoon = W Pacific 3)Cyclone = Indian Ocean & SH
Eye calmest and clearest part of the storms
Eye Wall edge of the eye, worst part of the storm
Storm Surge high winds cause high waves, greatest threat to life and property
Saffir-Simpson Scale wind speed is determining factor
Barrier Islands low-lying, long, narrow islands separated from mainland, common along Gulf and East Coasts
Hurricane Hunters fly into hurricanes, improved storm forecasting by 25%
Minimum wind speed for tropical cyclones 74 mph
what are the stages of classifying tropical cyclones 1)Tropical Depression 2)Tropical storm - given a name 3)Tropical Cyclone
1900 Event Galveston, TX, worst US hurricane disaster, storm surge was main cause of death
Hurricane Mitch Central America, landslides/flooding, category 5
Hurricane Andrew Florida, category 5, winds
Hurricane Katrina Gulf Coast, category 5, offshore, highest storm surge recorded in US, most expensive US disaster so far
2004 hurricane season 4 costly hurricanes
2005 hurricane season most active season on record, most category 5 hurricanes for one season, costly
Cyclone Nargis, Burma Indian Ocean
Supercell/Tornado vs. Tropical Cyclone SIMILARITIES low pressure systems, moist warm air mass, downdraft (supercell, eye), latent heat released
Supercell/Tornado vs. Tropical Cyclone DIFFERENCES S/T: develops along cold front, jet stream helps mesocyclone, enhanced Fujita Scale, avg. diameter 250 ft, duration 5 min - 1 hr Tropical Cyclone: disturbance of trade winds, jet stream disrupts, Saffir-Simpson scale, diam. 100's of miles, hrs-days
Created by: jenniferbailey
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