Hurricanes
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  • 1. Cristina Neme 2ºBachillerato D
  • 2. Outline
    • What is a Hurricane?
    • How and where are they formed?
    • Hurricane’s structure
    • How are they measured?
    • How and why they are called so?
    • Worst Hurricanes of all time
    • Summary
    • Questions
  • 3. What is a Hurricane?
    • Intense wind
    • 119 km/h (74 mph)
  • 4. How and where are hurricanes formed?
    • Tropical Storms
    • Oceans near the Equator
    • Wind begins to circle
    • Speeds of 119 and 240 km/h
    • Loses its power
  • 5. Hurricane’s Structure
  • 6. How are they measured?
    • Saffir-Simpson Hurricane Scale
    • Classifies Hurricanes
    • Maximum sustained winds
    • Indicates damages and flooding
    • This classification is too simple
  • 7. How are they measured?
    • There’s 5 categories
  • 8. How and Why they are called so?
    • Meteorologists started calling hurricanes
    • Easier communication between them and public
    • Clement Wrage
    • 1978, male names were included
    • Names can be replaced and registered
  • 9. Worst Hurricanes of all time
    • Katrina (2005)
    • Andrew (1992)
    • Mitch (1998)
    • Wilma (2005)
    • Hugo (1989)
  • 10. Katrina (2005)
      • Category 5
      • 29.08.2005
      • Lousiana, Mississippi, Alabama
      • Winds of 240 km/h
      • Half million of inhabitants were affected
  • 11. Katrina (2005)
  • 12. Katrina (2005) http://www.youtube.com/watch?v=s76Qn7bpCsQ
  • 13. Andrew (1992)
    • Category5
    • 16-28.08.1992
    • Bahamas, Miami, Lousiana Florida
    • Winds between 232 and 264 km/h
    • 30 kms of disaster
  • 14. Andrew (1992)
  • 15. Mitch (1998)
    • Category 5
    • 22.10.1998
    • Atlantic ocean
    • Central America
    • Winds of 290 km/h
    • It killed 18.000 people
  • 16. Mitch (1998)
  • 17. Wilma (2005)
    • Category 5
    • October
    • Yucatán, Cuba, Florida
    • Not so much damages
    • Winds of 250 km/h
  • 18. Wilma (2005)
  • 19. Hugo (1989)
    • Category 5
    • Costa Rica, Saint Croix, Carolina del Sur
    • It did not kill so much people
  • 20. Hugo (1989)
  • 21. Summary
    • A hurricane is an intense wind (119 km/h)
    • It begins as a Tropical Storm
    • Eye of the hurricane is a peaceful area
    • Hurricanes are measured by the Saffir-Simpson Scale
    • Hurricanes are called with people’s names
    • Katrina Hurricane had been the most destructive
  • 22.  
  • 23. Questions
    • 1.The Saffir-Simpson scale is…
    • a) Quite complicated
    • b) Too Simple
    • d) That scale doesn’t exist
    • 2.The most destructive hurricane was…
    • a)Wilma
    • b)Mitch
    • c) Katrina
    • 3.To consider a storm as a hurricane its winds should be…
    • Faster than 89 km/h
    • 119 km/h
    • 240 km/h
  • 24. Questions
    • 4. Winds in category 5 are…
    • a) > 200 km/h
    • b) > 250 km/h
    • d) < 200 km/h
    • 5. The eye of the hurricane is…
    • A peaceful are
    • The center of the hurricane
    • Both are true
    • 6. The highest category on the saffir simpson scale is…
    • a)10
    • b)5
    • c)20
  • 25.