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Major Hurricane Fiona


GaWx
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GFS has Fiona crawling North Northwest towards the east coast. I really wonder if this thing is going to survive the trek through the islands to escape and then develop towards the coast

 

Though to be fair about that a lot of times weak tropical storms can manage through the islands intact way better than a fully formed hurricane can. A lot of times when a strong hurricane gets shredded they find it hard to reform after escaping but weak tropical storms a lot of times fair better since their cores aren't well developed yet

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Per NHC, Fiona dropped another 0.2 of latitude between the 5PM (AST) and 8PM positions, which is south of the NHC track. It is now down to 16.1N vs 16.6N at the 11AM position during a period in which it was forecasted to be at 16.6N now. So, it is now 35 miles south of where the 11AM track had it for now.

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3 minutes ago, GaWx said:

Per NHC, Fiona dropped another 0.2 of latitude between the 5PM (AST) and 8PM positions, which is south of the NHC track. It is now down to 16.1N vs 16.6N at the 11AM position during a period in which it was forecasted to be at 16.6N now. So, it is now 35 miles south of where the 11AM track had it for now.

Not shocking the gefs shifted further southwest at 18z

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18z Euro ends with the center crossing Hispaniola on the eastern side of the island which is relatively flat, as opposed to 12z run which crossed right overv the mountains. If it can get through the Mona Passage or just skirt the lowlands of the island, that would make a huge difference in the outcome. You can see here what that tiny difference makes. 

Screenshot_20220915-213409_Chrome.jpg

Screenshot_20220915-213253_Chrome.jpg

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I am becoming more concerned about a EC impact. I think models may have jumped out to sea when the data was originally received and processed that Fiona was stronger than they had initialized. The increase in strength however did not mean a deeper system in this case. This baby is rolling with the trade winds right now. Pulsating convection is not going to pull this northward, it’s stuck in low level flow until shear abates. I think we’ll continue to see westward shifts as I believe the original out to sea shift was primarily based off the premise this was a deeper system. Florida to the Carolina’s need to watch this one. If it makes it to the Bahamas the environment becomes favorable. An upper level anticyclone and a very deep area of high oceanic heat content in a spot that is climatologically favorable. This is a real threat. Happy tracking 

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0z Euro crosses NW across Hispaniola and then slowly moves just north of eastern Cuba and through the eastern Bahamas.  It then moves off in the general direction of the Carolinas while intensifying to a 966 mb hurricane.  At 240 hours it is centered south of Cape Hatteras and due east of Jacksonville.  Slow mover.

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1 hour ago, Tatamy said:

0z Euro crosses NW across Hispaniola and then slowly moves just north of eastern Cuba and through the eastern Bahamas.  It then moves off in the general direction of the Carolinas while intensifying to a 966 mb hurricane.  At 240 hours it is centered south of Cape Hatteras and due east of Jacksonville.  Slow mover.

A building ridge blocks the exit path

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