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It looks like a depression and it is as of 5 am. They're sampling the environment this morning and it will be incorporated into the 12Z run later. Keep an eye for the possibility of rotating vortices on visible satellite and the possibility of a new center farther west where shear is quite light and closer to an upper ridge at 200 millibars and broader anti-cyclonic flow over a broader area which is showing up on satellite with fairly good outflow to the north; however, you don't have to go much farther west and north to find hostile shear. I didn't find anything to disagree with in regards to the 5 am discussion and evidence is now leaning on Tomas being left in a COL near Haiti with the long wave trough on the east coast and a large upper level low near 25N and 50W day 5 and a ridge axis between the two. I can't state this enough the real threat Tomas is to Haiti. The Weather Channel has Jim Cantore reporting from Haiti now. |