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Hurricane definition, Hurricane occurance, Hurricane destructions, Katriina Hurricane

Hurricane definition, Hurricane occurance, Hurricane destructions, Katriina Hurricane

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  • 1. The History, Structure, Development, and Destruction
  • 2.  Violent cyclonic storm that develops in the tropical region Wind speeds are > 74 mph
  • 3. In which direction does a hurricane rotate? CounterclockwiseIs the barometric pressure inside the hurricane high or low? Low
  • 4. June1st through November 31st
  • 5.  Provides weather information, such as data from satellites Responsible for issuing watches and warnings to the media and general public
  • 6.  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
  • 7.  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
  • 8. Heat Energy evaporating from the ocean surface
  • 9.  Tropical Disturbance Group of thunderstorms in the tropics that are present for at least 24 hours Tropical Wave lack of circulation, winds <25 mph and every direction Tropical Depression closed circulation but disorganized, winds at least 25 mph
  • 10.  Tropical Storm Shower and thunderstorm moves over closed circulation, winds greater than 39 mph Hurricane Eye is developed, winds > 74 mph
  • 11. Wind SpeedBarometric Pressure
  • 12. Saffir-Simpson ScaleCategory Max Wind Speed Min. Surface Pressure Storm Surge m (ft) (mph) (mb) 1 74-96 > 980 1-1.7 (3-5) 2 97-111 979-965 1.8-2.6 (6-8) 3 112-131 964-945 2.7-3.8 (9-12) 4 132-155 944-920 3.9-5.6 (13-18) 5 > 155 < 920 > 5.7 (>19)
  • 13.  Winds Flooding Storm Surge
  • 14.  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
  • 15.  Strong vertical winds Cold water Movement over land  Friction  Lack of moisture
  • 16. 1. Hurricane Andrew – 19922. Hurricane Hugo – 19893. Hurricane Fran – 19964. Hurricane Opal – 19955. Hurricane Frederic - 1979
  • 17.  Damage is a result of development There are more developed areas and possessions than in the past
  • 18. 1. Galveston – 19002. Southeast Florida – 19283. Florida Keys – 19194. New England – 19385. Florida Keys – 1935
  • 19.  Lack of instrumentation to predict and track storms People were not warned of the incoming danger Results of the Galveston Hurricane
  • 20. Arthur Hanna Omar Bertha Isidore PalomaCristobal Josephine Rene Dolly Kyle SallyEdouard Lili Teddy Fay Marco Vicky Gustav Nana Wilfred
  • 21.  Damage to your house from wind? Damage from flooding? Destroyed vacation house? Damage to family members’ homes?
  • 22. Flooding of Tar River as result of Hurricanes Dennis and Floyd DocksideTar River Estates Mrs. Parker’s Final Water Level Old House
  • 23.  Extensive Flooding US 264 Bridge Extended Power outages Flood Related Deaths Property Damage
  • 24.  Listen to warnings Take all warnings seriously Follow evacuations Prepare Food and Water for extensive power outages
  • 25. The End