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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