You're assuming the storm maintains some sort of vertical structure, correct? 12/00Z upper air analysis contnues to show system no deeper than 400 mbs directly above the centroid, with convection far removed from the centroid under difluence aloft near FL. Models suggest the front will sink southward enough to warrant extratropical transitioning of whatever is left of Alberto's upper structure or outright merging with the front. I still wouldn't be surprised if some sort of remant low remains in the GOM. I see nothing in the models to suggest that whatever remains left behind can survive in the GOM with increasing winds aloft due to the proximinity of the long wave trough. Alberto is stuck between continental ridge to its west and Atlantic ridge just to its SE and no where to go but N and/or NE.
-------------------- Sincerely,
Bill Berry
"To work in the service of life and the living..." - John Denver
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