TCFA
Posted by CX on 8/25/2009, 1:22 pm
Could just be a vorticity under a larger, broad circulation pattern.

Thought I'd post this for you JAC. It's from ~4-5 hours ago.

TNT01 KNGU 251201
SUBJ/TROPICAL CYCLONE FORMATION ALERT 251200Z AUG 09//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
100 NM EITHER SIDE OF A LINE FROM 18.9N 61.5W TO 20.9N 68.5W
WITHIN THE NEXT 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.
WINDS IN THE AREA ARE ESTIMATED TO BE 20 TO 25 KNOTS. METSAT IM-
AGERY AT 250600Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 18.9N 61.5W. THE SYSTEM IS MOVING WEST-NORTHWESTWARD AT 17
KNOTS.
2. REMARKS: THE UPPER LEVEL TROUGH LOCATED NORTH OF PUERTO RICO
IS WEAKENING AS IT IS TRACKING NORTHWARD. WITH WARMER SEA
SURFACE TEMPERATURES AND THE TROUGH WEAKENING, EXPECT POSSIBLE
DEVELPMENT WITHIN THE NEXT 24 HOURS.
3. THIS ALERT IS VALID UNTIL BY 261200Z.
44
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92L Could Spinup Late Today or Early Wednesday. - JAC, 8/25/2009, 6:58 am
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