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TROPICAL DEPRESSION GORDON DISCUSSION NUMBER 18
NATIONAL WEATHER SERVICE MIAMI FL
11 AM EDT MON SEP 18 2000
SURFACE OBSERVATIONS FROM THE SOUTHEASTERN U.S. INDICATE THAT GORDON
IS MERGING WITH THE PERSISTENT FRONTAL SYSTEM IN THE REGION. IT IS
FORECAST TO BECOME EXTRATROPICAL IN 12 HR...AND CURRENTLY CONDITIONS
ARE NOT FAVORABLE FOR RE-INTENSIFICATION AS AN EXTRATROPICAL SYSTEM.
THE INITIAL MOTION IS 025/11. GORDON IS BEING STEERED BY A
MID/UPPER LEVEL TROUGH TO ITS WEST...AND SHOULD BECOME FULLY
ENTRAINED INTO THE MID-LATITUDE WESTERLIES DURING THE FORECAST
PERIOD. WHILE DETAILS DIFFER...ALL MODEL GUIDANCE AGREE ON A
GENERALLY NORTHEASTWARD TRACK THROUGH 48 HR...FOLLOWED BY A GRADUAL
EASTWARD TURN. THIS OFFICIAL FORECAST FOLLOWS THE GUIDANCE AND IS A
LITTLE NORTH OF THE PREVIOUS PACKAGE.
THIS IS THE LAST ADVISORY ON GORDON FROM THE NATIONAL HURRICANE
CENTER. FURTHER INFORMATION WILL BE CONTAINED IN STORM SUMMARIES
ISSUED BY THE HYDROMETEOROLOGICAL PREDICTION CENTER...AND IN
OFFSHORE AND HIGH SEAS FORECASTS FROM THE MARINE PREDICTION CENTER.
FORECASTER BEVEN
FORECAST POSITIONS AND MAX WINDS
INITIAL 18/1500Z 31.5N 82.0W 30 KTS...INLAND
12HR VT 19/0000Z 33.0N 81.0W 30 KTS...EXTRATROPICAL
24HR VT 19/1200Z 34.9N 79.3W 30 KTS...EXTRATROPICAL
36HR VT 20/0000Z 37.4N 76.3W 25 KTS...EXTRATROPICAL
48HR VT 20/1200Z 40.0N 72.0W 25 KTS...EXTRATROPICAL
72HR VT 21/1200Z 44.0N 58.5W 25 KTS...EXTRATROPICAL
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