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Hurricane

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Hurricane definition, Hurricane occurance, Hurricane destructions, Katriina Hurricane

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Hurricane

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

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