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TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER  16
NATIONAL WEATHER SERVICE MIAMI FL   AL1200
0900Z FRI SEP 22 2000
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FROM PASCAGOULA EASTWARD
TO THE MOUTH OF THE AUCILLA RIVER.  SMALL CRAFT SHOULD REMAIN IN
PORT FROM WEST OF PASCAGOULA TO THE MOUTH OF THE MISSISSIPPI RIVER.
 
AT 4 AM CDT...0900Z...THE HURRICANE WATCH IS DISCONTINUED.
 
TROPICAL STORM CENTER LOCATED NEAR 30.0N  87.4W AT 22/0900Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 10 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT....... 90NE  75SE   0SW  30NW.
12 FT SEAS.. 90NE  75SE   0SW  30NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 30.0N  87.4W AT 22/0900Z
AT 22/0600Z CENTER WAS LOCATED NEAR 29.5N  87.2W
 
FORECAST VALID 22/1800Z 31.5N  87.0W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 25NE  25SE   0SW   0NW.
 
FORECAST VALID 23/0600Z 34.0N  83.5W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 23/1800Z 36.0N  80.0W...INLAND
MAX WIND  20 KT...GUSTS  30 KT.
 
STORM SURGE FLOODING OF 3 TO 5 FT ABOVE NORMAL TIDE LEVELS...WITH
HIGHER LEVELS IN BAYS...ACCOMPANIED BY BATTERING WAVES...IS LIKELY
NEAR AND TO THE EAST OF WHERE THE CENTER MAKES LANDFALL.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.0N  87.4W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 24/0600Z 37.5N  75.0W...EXTRATROPICAL
MAX WIND  30 KT...GUSTS  40 KT.
 
OUTLOOK VALID 25/0600Z 42.0N  65.0W...EXTRATROPICAL
MAX WIND  30 KT...GUSTS  40 KT.
 
NEXT ADVISORY AT 22/1500Z
 
FORECASTER AVILA
 
 
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