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The History, Structure, Development, and Destruction Source: http://www.dc.peachnet.edu/~pgore/students/w97/matheson/hpage.htm

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Violent cyclonic storm that develops in the tropical region Wind speeds are > 74 mph Source: http://earthobservatory.nasa.gov/ Newsroom/NewImages/images.php3?img_id=680

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In which direction does a hurricane rotate? COUNTERCLOCKWISE Is the barometric pressure inside the hurricane high or low? LOW

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June 1 st through November 31st

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Provides weather information, such as data from satellites Responsible for issuing watches and warnings to the media and general public

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What is the difference between a Hurricane Watch and a Hurricane Warning? Watch Tropical storm poses a threat to coastal areas with 36 hours Warning - Tropical storm conditions are expected in a coastal area within 24 hours

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Warm ocean temperatures (>80 F) up to 60m deep Little to no wind shear Low pressure system at least 5 North or South of Equator Rotation caused by winds Source: http://lwf.ncdc.noaa. gov/oa/reports/fran/fran.html

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Heat Energy evaporating from the ocean surface Source: http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/hyd/evap.rxml

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Source: http://hurricanes.noaa.gov/prepare/structure.htm

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TTropical Disturbance Group of thunderstorms in the tropics that are present for at least 24 hours TTropical Wave lack of circulation, winds

Tropical Storm Shower and thunderstorm moves over closed circulation, winds greater than 39 mph Hurricane Eye is developed, winds > 74 mph

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Source: http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/hurr/stages/home.rxml

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Wind Speed Barometric Pressure

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Saffir-Simpson Scale CategoryMax Wind Speed (mph) Min. Surface Pressure (mb) Storm Surge m (ft) 174-96> 9801-1.7 (3-5) 297-111979-9651.8-2.6 (6-8) 3112-131964-9452.7-3.8 (9-12) 4132-155944-9203.9-5.6 (13-18) 5> 155< 920> 5.7 (>19) Source: http://kids.earth.nasa.gov/archive/hurricane/saffir-simpson.html

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Winds Flooding Storm Surge

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Large wall or dome of water that rushes into the coastline as a result of a hurricane making landfall To the right are the areas affected by high storm surges Souce: http://www.wkrg.com/hurricanecenter/surge/SE.jpg

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Strong vertical winds Cold water Movement over land Friction Lack of moisture

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1. Hurricane Andrew 1992 2. Hurricane Hugo 1989 3. Hurricane Fran 1996 4. Hurricane Opal 1995 5. Hurricane Frederic - 1979

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DDamage is a result of development TThere are more developed areas and possessions than in the past Source: http://www.nhc.noaa.gov/1992andrew.html

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1. Galveston 1900 2. Southeast Florida 1928 3. Florida Keys 1919 4. New England 1938 5. Florida Keys 1935

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Lack of instrumentation to predict and track storms People were not warned of the incoming danger Source: http://www.1900storm.com/photographs/photo10.html Results of the Galveston Hurricane

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ArthurHannaOmar BerthaIsidorePaloma CristobalJosephineRene DollyKyleSally EdouardLiliTeddy FayMarcoVicky GustavNanaWilfred Source: http://www.hurricanewarning.net/coordinates.html

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Damage to your house from wind? Damage from flooding? Destroyed vacation house? Damage to family members homes?

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http://cindi.usgs.gov/cindi/hazard/event/floyd/ncflood/mediums/img023.jpg Final Water Level Flooding of Tar River as result of Hurricanes Dennis and Floyd Dockside Tar River Estates

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Extensive Flooding Extended Power outages Flood Related Deaths Property Damage US 264 Bridge Source: http://cindi.usgs.gov/cindi /hazard/event/floyd/ncflood/ mediums/img022.jpg

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Source: http://www.guc.com/about/floyd.htm

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LListen to warnings TTake all warnings seriously FFollow evacuations PPrepare Food and Water for extensive power outages

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Source: http://www.dc.peachnet.edu/~pgore/students/w97/matheson/hpage.htm THE END