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TROPICAL STORM HANNA DISCUSSION NUMBER 11
NATIONAL WEATHER SERVICE MIAMI FL
11 AM EDT SAT SEP 14 2002
THE CENTER OF HANNA IS JUST ABOUT TO MOVE OR IS ONSHORE IN THE
MISSISSIPPI/ALABAMA BORDER AS WE SPEAK. THE TROPICAL CYCLONE LOOKS
GOOD ON SATELLITE WITH THE CENTER A LITTLE BIT CLOSER TO THE
CONVECTION AND NUMEROUS RAINBANDS. RECON JUST MEASURED A MINIMUM
PRESSURE OF 1002 MB AND A FLIGHT LEVEL PEAK WIND OF 59 KNOTS TO THE
EAST OF THE CENTER. HANNA IS FORECAST TO WEAKEN ONCE ITS CIRCULATION
MOVES COMPLETELY INLAND TODAY. BECAUSE MOST OF THE WEATHER IS TO THE
SOUTH AND EAST OF THE CENTER...SQUALLS AND GUSTY WINDS WILL LIKELY
CONTINUE THROUGH MOST OF THE DAY WITHIN THE WARNING AREA. HANNA IS
EXPECTED TO BE ABSORBED BY A FRONTAL SYSTEM IN ABOUT 2 DAYS.
HANNA IS MOVING TOWARD THE NORTHEAST ABOUT 8 TO 9 KNOTS. THE
TROPICAL CYCLONE IS ALREADY EMBEDDED WITHIN THE FLOW AHEAD OF A
TROUGH. THEREFORE...THIS MOTION SHOULD CONTINUE WITH A GRADUAL
INCREASE IN FORWARD SPEED.
FORECASTER AVILA
FORECAST POSITIONS AND MAX WINDS
INITIAL 14/1500Z 30.5N 88.2W 45 KTS
12HR VT 15/0000Z 32.2N 87.0W 25 KTS...INLAND
24HR VT 15/1200Z 34.5N 84.0W 25 KTS...INLAND
36HR VT 16/0000Z 36.9N 80.0W 25 KTS...INLAND
48HR VT 16/1200Z 40.0N 74.4W 30 KTS...ABSORBED
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