The History, Structure, Development, and Destruction Source:

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

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

June 1 st through November 31st

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

 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

 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: gov/oa/reports/fran/fran.html

Heat Energy evaporating from the ocean surface Source:

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TTropical Disturbance Group of thunderstorms in the tropics that are present for at least 24 hours TTropical Wave lack of circulation, winds <25 mph and every direction TTropical Depression closed circulation but disorganized, winds at least 25 mph

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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Wind Speed Barometric Pressure

Saffir-Simpson Scale CategoryMax Wind Speed (mph) Min. Surface Pressure (mb) Storm Surge m (ft) > (3-5) (6-8) (9-12) (13-18) 5> 155< 920> 5.7 (>19) Source:

 Winds  Flooding  Storm Surge

 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:

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

1. Hurricane Andrew – Hurricane Hugo – Hurricane Fran – Hurricane Opal – Hurricane Frederic

DDamage is a result of development TThere are more developed areas and possessions than in the past Source:

1. Galveston – Southeast Florida – Florida Keys – New England – Florida Keys – 1935

 Lack of instrumentation to predict and track storms  People were not warned of the incoming danger Source: Results of the Galveston Hurricane

ArthurHannaOmar BerthaIsidorePaloma CristobalJosephineRene DollyKyleSally EdouardLiliTeddy FayMarcoVicky GustavNanaWilfred Source:

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

Final Water Level Flooding of Tar River as result of Hurricanes Dennis and Floyd Dockside Tar River Estates

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

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LListen to warnings TTake all warnings seriously FFollow evacuations PPrepare Food and Water for extensive power outages

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