Today's Synopsis
Posted by JAC on 7/21/2011, 12:04 pm
SYNOPSIS 2011072100

P07L
14N, 46W
925hPa

Like yesterday, I tracked at 925 hPa in order to get a few more positions for GFS.

ECMWF:  Intensifies.  Like the other models, ECMWF then weakens it as it moves along the northern side of the Leeward Islands.

GFS:  Consistent story.  A large, distinct pouch at analysis gradually dissipates as it moves toward the northern Windward Islands.

UKMET:  Still intensifies P07L, although perhaps not as much as recent forecast runs.

NOGAPS:  Yesterday's run was the first that NOGAPS maintained P07L.  Now, NOGAPS definitely intensifies it.

ECMWF   -9.5 v7/8/9 & RH 120h
GFS     -9.8 v700 & RH/TPW 120h
UKMET  -9.8 v7/9 & RH 120h
NOGAPS  -8.5 v7/8/9 & RH 120h
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westbound low lat mid atlantic wave... - BobbiStorm, 7/21/2011, 9:49 am
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