THE GLOBAL MODELS FORECAST AN UPPER-LEVEL LOW TO CUT-OFF TO THE NORTHWEST OF HANNA VERY SOON...AND THERE IS SOME EVIDENCE IN WATER VAPOR IMAGERY THAT THIS IS BEGINNING TO OCCUR.
This appears to be happening at the very southern most point of the digging trough, if you look closely you can see (on wv loop) hint at cyclonic turning in upper levels over the central Bahamas. Only thing I do not see yet is the large ULL in the n'east moving out, in fact it seems to be moving slightly to the west. This should be temporary but not sure how soon it will start to move out.
If the developing ULL does cut-off and drift south and Hanna can hang on for another 24 hrs tomorrow night at this time I would think things would, finally, for better or worse, look much different.
-------------------- Fran, Bertha, Dennis & Floyd (Tag Team)
Hurricane Season 2010: 15/8/4
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