National Weather Service

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National Weather Service Moving From Products to
Services Kenneth E. Graham Meteorologist-in-Charg
e New Orleans/Baton Rouge
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Costliest U.S. Atlantic Hurricanes
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2008 Hurricane Ike
1900 Galveston Storm
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Not a matter of if, it is a matter of when
1900 GALVESTON HURRICANE 2008 IKE
David J. Phillip-Pool/Getty Images
8000 COASTAL DEATHS 60 COASTAL
DEATHS


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Bolivar, Friday September 12, 2008
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National Weather Service New Orleans/Baton
Rouge Where Science Impacts Decisions and
Decisions Save Lives
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Wind Impacts

• None
• Low - Winds 40 to 60 mph. Gust 50 to 80 mph
• Moderate - Winds 60 to 70 mph. Gusts 70 to 80
  mph
• High - Winds 90 to 110 mph. Gusts 95 to 110 mph
• Extreme Winds 110 to 130 mph. Gusts 130 to 170
  mph.

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Coastal Flooding Impacts

• None 4 feet or less
• Low 4 to 6 feet.
• Moderate 5 to 7 feet.
• High 8 to 10 feet -SE LA Coastal MS
• Extreme 10 to 15 feet SE LA Coastal MS and
  15 to 20 feet SE LA Coastal MS

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Tornado Impacts

• None
• Low isolated EF1 to EF0.
• Moderate Scattered EFO to EF1. Isolated EF2.
• High Scattered EF1 tornadoes. Isolated EF2 to
  EF3
• Extreme Numerous EF2 tornadoes.

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Inland Flooding Impacts

• None
• Low minor flooding expected.
• Moderate moderate flooding expected.
• High major flooding likely.
• Extreme very major flooding likely.

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Other Decision Support Services

• NWSChat
• Webinars
• Routine and high impact
• State EOC Support
• 700 MHz Support
• Intense pre-season education

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Height Above Reference Level
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Height Above Ground Level (Inundation)
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Hurricane Seasonal Forecast

• Near Normal Season
• 70 chance of having 14 named storms, 4 to 7 of
  those could become hurricanes

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1965
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1969
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1992
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2005
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All
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All
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Every Storm Is Different
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Storm Characteristics Change
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• Kenneth.Graham_at_noaa.gov
• 985-649-0429