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TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER  17
NATIONAL WEATHER SERVICE MIAMI FL   AL1200
1500Z FRI SEP 22 2000
 
AT 10 AM CDT...1500Z...THE TROPICAL STORM WARNING IS DISCONTINUED
WEST OF DESTIN FLORIDA.  A TROPICAL STORM WARNING REMAINS IN EFFECT
FROM DESTIN EAST TO THE MOUTH OF THE AUCILLA RIVER FLORIDA.  ALL
WARNINGS WILL LIKELY BE DISCONTINUED LATER TODAY.
 
TROPICAL STORM CENTER LOCATED NEAR 30.9N  86.1W AT 22/1500Z...INLAND
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR  30 DEGREES AT 11 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  45 KT.
34 KT....... 75NE  75SE   0SW   0NW.
12 FT SEAS..  0NE  75SE   0SW   0NW.
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 30.9N  86.1W AT 22/1500Z...INLAND
AT 22/1200Z CENTER WAS LOCATED NEAR 30.5N  86.6W
 
FORECAST VALID 23/0000Z 32.6N  84.6W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 23/1200Z 34.6N  81.3W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 24/0000Z 36.4N  77.1W...INLAND
MAX WIND  25 KT...GUSTS  35 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 31.0N  86.2W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 24/1200Z 38.5N  72.0W...EXTRATROPICAL
MAX WIND  35 KT...GUSTS  45 KT.
 
OUTLOOK VALID 25/1200Z 44.0N  60.0W...EXTRATROPICAL
MAX WIND  35 KT...GUSTS  45 KT.
 
NEXT ADVISORY AT 22/2100Z
 
FORECASTER BEVEN
 
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