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Charleston District's Emergency Management Division

Hurricane Information

National Hurricane Center http://www.nhc.noaa.gov/

The 2007 forecast calls for:

  • 14 named tropical storms; an average season has 9.6.
  • 7 hurricanes compared to the average of 5.9.
  • 3 major hurricanes with winds exceeding 110 mph; average is 2.3.

Though these statistical predictions cannot portend when any of the storms will form or where they will go, Klotzbach, Gary and colleagues calculate an 64 percent chance that at least one major hurricane will come ashore.

 How the 2007 forecast compares:
  2005 2006 2007 Avg.
 Tropical Storms 26 17 14 9.6
 Hurricanes 13 9 7 5.9
 Major Hurricanes 7 5 3 2.3
         
 SOURCES: CSU, NOAA

Sources: CSU, NOAA

The current series of busy seasons is part of a long-term cycle that climatologists had predicted years ago. The Atlantic is in its 12th year of heightened activity. It is expected to continue for the next decade or perhaps longer. The cycle typically involves two or more decades of lull and two or more decades of high activity.

Hurricane Categories

(Hurricane season officially begins 1 June and ends 30 November each year)

Category 1

  • winds of 74-95 miles per hour (mph)
  • damage primarily to shrubbery, tree foliage and unanchored mobile homes
  • no real damage to other structures
  • some damage to poorly constructed signs
  • storm surge 4 to 5 feet above normal
  • low lying coastal roads inundated
  • minor pier damage
  • small craft in exposed anchorages torn from moorings

Category 2

  • winds of 96-110 mph
  • considerable damage to shrubbery and tree foliage
  • some trees down
  • major damage to exposed mobile homes
  • extensive damage to poorly constructed signs
  • some damage to roofing
  • storm surge 6 to 8 feet above normal
  • coastal roads and low lying inland escape routes blocked by rising water 2 to 4 hours before arrival of hurricane eye (center)
  • considerable damage to piers
  • marinas flooded
  • small craft in unprotected anchorages torn from moorings

Category 3

  • winds of 111-130 mph
  • foliage torn from trees, large trees blown over
  • almost all poorly constructed signs down
  • some damage to roofing; some window and door damage
  • some structural damage to small buildings
  • mobile homes destroyed
  • storm surge 9 to 12 feet above normal
  • serious flooding at coast and many smaller structures near coast and many smaller structures near coast destroyed
  • larger structures near coast damaged by battering waves and floating debris
  • low lying inland escape routes blocked by rising water 3 to 5 hours before hurricane eye (center) arrives
  • flat terrain 5 feet or less above sea level flooded inland 8 mile or more
  • evacuation of low-lying residences within several blocks of shoreline possibly required

Category 4

  • winds of 121-155 mph
  • shrubs and trees down, all signs down
  • extensive damage to roofing, windows, and doors
  • roof collapse
  • complete destruction of mobile homes
  • storm surge 13 to 18 feet above normal
  • flat terrain 10 feet or less above sea level flooded inland as far as 6 miles
  • major damage to lower floors of structures near shore due to flooding, waves, and floating debris
  • low lying inland escape routes blocked by rising water 3 to 5 hours before hurricane eye (center) arrives
  • major erosion of beaches
  • massive evacuation of all residences within 500 yards of shore possibly required, and of single-story residences on low ground within 2 miles of shore

Category 5

  • winds greater than 155 mph
  • shrubs and trees down; considerable damage to roofing; all signs down
  • severe and extensive damage to windows and doors
  • complete roof collapse
  • destruction of glass in windows and doors
  • some complete building failures
  • small buildings overturned or blown away
  • complete destruction of mobile homes
  • storm surge higher than 18 feet above normal
  • major damage to lower floors of all structures less than 15 feet above sea level within 500 yards of shore
  • low lying escape routes inland cut off by rising water 3 to 5 hours before hurricane eye (center) arrives
  • massive evacuation of residential areas on low ground within 5 to 10 miles of shore possibly required

Reserved Atlantic Storm Names

2006 2007 2008 2009 2010
Alberto Andrea Arthur Ana Alex
Beryl Barry Bertha Bill Bonnie
Chris Chantal Cristobal Claudette Colin
Debby Dean Dolly Danny Danielle
Ernesto Erin Edouard Erika Earl
Elorence Felix Fay Fred Fiona
Gordon Gabrielle Gustav Grace Gaston
Helene Humberto Hanna Henri Hermine
Isaac Ingrid Ike Ida Igor
Joyce nu Jerry Josephine Joaquin Julia
Kirk nu Karen Kyle Kate Karl
Leslie nu Lorenzo Laura Larry Lisa
Michael nu Melissa Marco Mindy Matthew
Nadine nu Noel Nana Nicholas Nicole
Oscar nu Olga Omar Odette Otto
Patty nu Pablo Paloma Peter Paula
Rafael nu Rebekah Rene Rose Richard
Sandy nu Sebastien Sally Sam Shary
Tony nu Tanya Teddy Teresa Tomas
Valerie nu Van Vicky Victor Virginie
William nu Wendy Wilfred Wanda Walter

Contact the "Emergency Management Division" in the Charleston District Office
843.329.8108 (Telephone)

Email point of contact for Charleston's Emergency Management Division

Mailing Address:
US Army Corps of Engineers
Emergency Management Division
69A Hagood Ave.
Charleston, South Carolina 29403-5107

 

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Site last updated — January, 2009