sp10_7b_106_Hurricanes1

sp10_7b_106_Hurricanes1 - Hurricanes Cyclone Catarina, 2004...

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Hurricanes Thunderstorms Gone Wild Cyclone Catarina, 2004 What is a Hurricane? A tropical cyclone that converts heat energy of the ocean into wind, waves and rain. Hurricanes have a low- pressure center (<980 mbar) and high winds (> 119 kph). Hurricane Katrina in Infrared
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Pressure and Wind Speed Tropical Cyclones ± Hurricane – North Atlantic and NE Pacific Ocean ± Typhoon – NW Pacific Ocean ± Cyclone – Indian Ocean & SW Pacific Ocean Hurricane Katrina in Infrared
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Forming a Hurricane 1. Seawater must by at least 27°C (80°F) – to depth of about 50 m 2. Air must be warm and humid at surface and cold above (rises and creates low pressure) 3. Upper-level winds must be weak 1. Warm ocean water October 2008
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1. Warm ocean water March 2008 Seasonal Events Frequency of Hurricanes
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Formation of Hurricane Wilma, 2005 NASA 2. Low pressure zone generates thunderstorms
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Hurricane Origins Hurricanes Typhoons Cyclones 3. Storms start to rotate (counterclockwise in North) and it develops into a… Tropical Depression #6, 2003 Numbered #1E - 2008
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sp10_7b_106_Hurricanes1 - Hurricanes Cyclone Catarina, 2004...

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