Gamma No Threat to FL
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- DESTRUCTION5
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- DESTRUCTION5
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- Windtalker1
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- wxman57
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What the BAMs don't see is a deepening upper level low/trof digging into the southeast U.S. on Sunday. Althought he front may not be blasting cold air all the way down to the Keys (yet), upper level southwesterly winds ahead of the front will be growing increasingly stronger across the NW Caribbean over the weekend. Such strong shear would rip any tropical system apart and/or allow for rapid transformation to extratropical low. Of course, such rapid extratropical transition wouldn't preclude the possibility that the southern Peninsula of Florida couldn't get a little rain out of the event along the leading edge of the front on Sunday. But as for a hurricane in south Florida - highly unlikely.
Take a look at this 250mb (about 34,000 ft) wind prog for Sunday evening. Note the 40-60 kt SW winds across teh NW Caribbean Sea, getting stronger across Florida? That upper low over NW Louisiana is digging SE toward Florida, pushing the southwesterly jet across the state. This is the reason that the dynamic models (not the BAMs) are turning it sharply NE across central Cuba and the Bahamas rather than over south Florida.
<img src="http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/gfs/06/images/gfs_250_072m.gif">
Take a look at this 250mb (about 34,000 ft) wind prog for Sunday evening. Note the 40-60 kt SW winds across teh NW Caribbean Sea, getting stronger across Florida? That upper low over NW Louisiana is digging SE toward Florida, pushing the southwesterly jet across the state. This is the reason that the dynamic models (not the BAMs) are turning it sharply NE across central Cuba and the Bahamas rather than over south Florida.
<img src="http://www.nco.ncep.noaa.gov/pmb/nwprod/analysis/namer/gfs/06/images/gfs_250_072m.gif">
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- Military Met
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CHRISTY wrote:NHC says in the near term conditions are becoming more favorable for tropical developement.
And if this thing stays in the NW Carib...it might have a chance...but any nward drift towards the GoM will lead it into shear that will rip it apart...and dry air that will make it go *poof*.
Bottom line is this is not a hurricane treat of any kind to south Florida.
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- SouthFloridawx
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- DESTRUCTION5
- Category 5
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- Military Met
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I doubt the GFDL output VERY seriously...there is 90kts of wind in the upper levels forecast by both the NAM and the GFS at that location in 84 hours. The convergent quad of the jet will also be moving into the area at that time
That 84 hour GFDL intensity forecast will not verify. Bet on it. Take it to the bank.
That 84 hour GFDL intensity forecast will not verify. Bet on it. Take it to the bank.
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- DESTRUCTION5
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Air Force Met wrote:I doubt the GFDL output VERY seriously...there is 90kts of wind in the upper levels forecast by both the NAM and the GFS at that location in 84 hours. The convergent quad of the jet will also be moving into the area at that time
That 84 hour GFDL intensity forecast will not verify. Bet on it. Take it to the bank.
Agree Bet on it not being in that position either...
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- Military Met
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- Military Met
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- Joined: Tue Jul 08, 2003 9:30 am
- Location: Roan Mountain, TN
DESTRUCTION5 wrote:Air Force Met wrote:I doubt the GFDL output VERY seriously...there is 90kts of wind in the upper levels forecast by both the NAM and the GFS at that location in 84 hours. The convergent quad of the jet will also be moving into the area at that time
That 84 hour GFDL intensity forecast will not verify. Bet on it. Take it to the bank.
Agree Bet on it not being in that position either...
True. There is no way a that storm track verifies with those upper levels winds.
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