Charley Advisories
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Re: WHY the west TREND in the models with CHARLEY is RE
DT wrote:
snip....
Since 18z Tuesday GFS the GFS operational model -- which within 72 hrs has been VERY good over the last 3 years-- but past 72 hrs it is not -- began showing a WEST trend. This trend continued last night and this morning at 6z.
DT
I think the most important point's brought up by David's excellent post are the tropical models frequently seen (done by me and others) are not good with synoptic patterns over CONUS and must be viewed with caution...especially +D3 near/over land.
And, the GFS (displayed as the old AVN on the maps I do) continues to rule the roost inside D3. This is the third season the GFS has been very good inside 72 hours.
Scott
WREL Radio
Lexington, VA
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- HurricaneGirl
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goodlife wrote:Brent wrote:DT, your scaring me. A Cat 3 hurricane moving at 15-20 mph will bring me hurricane force winds. It did in 1995 with Opal. I can do without that. Mobile/Pensacola/Destin landfall with the system moving NE would take it very close to me.
at least you'll be on the dry side of the storm...
No I'm on the AL/GA stateline. Opal came ashore in Pensacola and we were 35 miles east of the eye. If it makes landfall Panama City eastward and is moving NE, I'll be on the weak side.
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#neversummer
At least a cat-3 IMO....and could be even stronger.
The ramifications of Charley missing Jamaica and passing near/ south of Grand Cayman toward western Cuba mean it will pass over extremely warm sst's....waters with very high heat content.
While shear will increase after Charley recurves and accelerates NNE toward the coast.....that doesn't neccesarily mean he'll weaken. In 1960, Donna maintained cat-3 status all the way from North Carolina to New England while accelerating to over 35 mph. In 1954, hurricane Hazel was moving over 45 mph at landfall near Myrtle Beach (SC), and had 135 mph sustained winds.
If this hurricane indeed "bombs" over the NW Caribbean...say to 150 mph or more, it won't have much time to weaken as it accelerates toward western Florida. To make matters even more dangerous, the sst's offshore the Florida west coast from Naples to Apalachicola are at or above 85°. That extremely warm water will help to offset any weakening caused by increasing shear.
IMO Charley is potentially a very dangerous hurricane....and appears destined for a highly populated coastline that hasn't experienced even a 115 mph category 3 hurricane in more than 40 years. That frankly scares the daylights out of me....because even a 115 mph hurricane means a 10-15' storm surge along the Florida coast between Cedar Key and Naples (due to the shallow slope of the GOM offshore).
The ramifications of Charley missing Jamaica and passing near/ south of Grand Cayman toward western Cuba mean it will pass over extremely warm sst's....waters with very high heat content.
While shear will increase after Charley recurves and accelerates NNE toward the coast.....that doesn't neccesarily mean he'll weaken. In 1960, Donna maintained cat-3 status all the way from North Carolina to New England while accelerating to over 35 mph. In 1954, hurricane Hazel was moving over 45 mph at landfall near Myrtle Beach (SC), and had 135 mph sustained winds.
If this hurricane indeed "bombs" over the NW Caribbean...say to 150 mph or more, it won't have much time to weaken as it accelerates toward western Florida. To make matters even more dangerous, the sst's offshore the Florida west coast from Naples to Apalachicola are at or above 85°. That extremely warm water will help to offset any weakening caused by increasing shear.
IMO Charley is potentially a very dangerous hurricane....and appears destined for a highly populated coastline that hasn't experienced even a 115 mph category 3 hurricane in more than 40 years. That frankly scares the daylights out of me....because even a 115 mph hurricane means a 10-15' storm surge along the Florida coast between Cedar Key and Naples (due to the shallow slope of the GOM offshore).
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- HurricaneGirl
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This is another thing.. Even if the storm makes landfall in the Tampa Bay area..
The water in Tampa Bay is very warm.. so as it's coming on shore.. it may actually still strengthen before it hits the land..
I have only experienced 1 hurricane before and it was a Cat 1.. but the thought of experiencing a major does excite me.. but also sends a very cold shiver down my back..
The water in Tampa Bay is very warm.. so as it's coming on shore.. it may actually still strengthen before it hits the land..
I have only experienced 1 hurricane before and it was a Cat 1.. but the thought of experiencing a major does excite me.. but also sends a very cold shiver down my back..
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GFDL = SW FL at 134 mph
Newest GFDL has Charley crossing SW Florida near 134 mph in around 55 hours.
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