Ci 350 presentation #1

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Ci 350 presentation #1

  1. 1. Evin Pearson CI 350 UNIT PLANPOWERPOINT #1 HURRICANES 12/5/12
  2. 2.  giant, spiraling tropical storms that can pack wind speeds of over 160 miles an hour and unleash more than 2.4 trillion gallons of rain a day. These same tropical storms are known as cyclones in the northern Indian Ocean and Bay of Bengal, and as typhoons in the western Pacific Ocean.
  3. 3.  The Atlantic Ocean’s hurricane season peaks from mid-August to late October and averages five to six hurricanes per year.
  4. 4.  When they come onto land, the heavy rain, strong winds and heavy waves can damage buildings, trees and cars. The heavy waves are called a storm surge.
  5. 5.  The difference between a tropical storm and a hurricane is wind speed – tropical storms usually bring winds of 36-47 miles per hour, whereas hurricane wind speeds are over 74 miles per hour.
  6. 6.  Hurricanes are classified into five categories, based on their wind speeds and potential to cause damage.•Category One -- Winds 74-95 miles per hour•Category Two -- Winds 96-110 miles per hour•Category Three -- Winds 111-130 miles per hour•Category Four -- Winds 131-155 miles per hour•Category Five -- Winds greater than 155 miles per hour
  7. 7.  Hurricanes are named to help us identify and track them as they move across the ocean. For Atlantic Ocean hurricanes, the names may be French, Spanish or English, since these are the major languages bordering the Atlantic Ocean where the storms occur.
  8. 8.  Most hurricanes in North America hit areas near the Atlantic Ocean and the Gulf of Mexico. The warm water of the West Atlantic and the Gulf of Mexico create more favorable conditions for hurricanes.
  9. 9.  The costliest hurricane to hit landfall was Hurricane Katrina, a Category 5 storm that slammed Louisiana in August of 2005. Damages cost an estimated $91 billion.

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