Got a Landfalling Question.
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Got a Landfalling Question.
During 2004 - 2005 when a Hurricane made landfall on the Gulf coast it weakened. Examples: Dennis, Katrina, and Rita. But that's a different story for the Florida West Coast. When a hurricane made landfall there, it strenghtened. Examples: Charley and Wilma. What causes that?
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The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
- wxmann_91
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A hurricane tends to move northeast in western FL landfalls. This reduces storm-relative shear as it is moving parallel to the shear vector. In addition, many times QG enhancement or baroclinic energy cancels out shearing effects or even helps the storm strengthen.
edit, forgot to mention, there is less dry air entrainment since FL is in a tropical environment.
edit, forgot to mention, there is less dry air entrainment since FL is in a tropical environment.
Last edited by wxmann_91 on Sat Sep 30, 2006 1:18 pm, edited 1 time in total.
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- wxman57
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Also, both Charley and Wilma had significant interactions with land prior to reaching SW Florida. Had Wilma not sat over Cancun/Cozumel for a day or more it may have been weakening as it crossed S. Florida. It's wind field may have been more intense than was observed but much smaller in size had it not interacted with land.
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