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Tropical Storm GASTON

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TROPICAL STORM GASTON DISCUSSION NUMBER  15
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
5 AM EDT TUE AUG 31 2004
 
WSR-88D DATA FROM DOVER DELAWARE SHOWS THAT GASTON STILL HAS A GOOD
RADAR SIGNATURE.  HOWEVER...SATELLITE IMAGERY SHOWS THAT THE DEEP
CONVECTION IS LIMITED IN COVERAGE AND INTENSITY...AND A
FRONTAL-LIKE BAND SEEMS TO BE FORMING SOUTHEAST OF THE CENTER.  A
COMBINATION OF AN APPROACHING BAROCLINIC ZONE AND COLD SEA SURFACE
TEMPERATURES SHOULD CAUSE GASTON TO LOSE TROPICAL CHARACTERISTICS
IN 24-36 HR.

THE INITIAL MOTION IS 060/16.  GASTON SHOULD ACCELERATE
EAST-NORTHEASTWARD THROUGH THE FORECAST PERIOD AS INDICATED BY ALL
GUIDANCE.  THERE IS SOME SPREAD IN THE SPEED...AND THE FORECAST
SPEED IS A COMPROMISE BETWEEN THE VARIOUS MODELS.
 
FORECASTER BEVEN
 
FORECAST POSITIONS AND MAX WINDS
 
INITIAL      31/0900Z 38.4N  73.8W    35 KT
 12HR VT     31/1800Z 40.0N  70.4W    35 KT
 24HR VT     01/0600Z 42.3N  64.0W    35 KT...BECOMING EXTRATROPICAL
 36HR VT     01/1800Z 45.1N  56.2W    35 KT...EXTRATROPICAL
 48HR VT     02/0600Z 48.5N  46.7W    35 KT...EXTRATROPICAL
 72HR VT     03/0600Z...ABSORBED BY FRONTAL SYSTEM
 
 
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