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TROPICAL STORM FLOYD FORECAST/ADVISORY NUMBER  37
NATIONAL WEATHER SERVICE MIAMI FL   AL0899
2100Z THU SEP 16 1999
CORRECTION...TROPICAL STORM FLOYD...NOT SUBTROPICAL
 
AT 5 PM EDT...HURRICANE WARNINGS ARE CHANGED TO TROPICAL STORM
WARNINGS.  TROPICAL STORM WARNINGS ARE NOW IN EFFECT FROM CAPE
CHARLES LIGHT VIRGINIA TO MERRIMACK RIVER MASSACHUSETTS...INCLUDING
THE CHESAPEAKE BAY...THE POTOMAC BASIN...DELAWARE BAY AND LONG
ISLAND SOUND.
 
INTERESTS FROM CAPE CHARLES LIGHT SOUTHWARD SHOULD EXERCISE CAUTION
WINDS AND SEAS SUBSIDE.
 
TROPICAL STORM CENTER LOCATED NEAR 39.3N  74.6W AT 16/2100Z
POSITION ACCURATE WITHIN  45 NM
 
PRESENT MOVEMENT TOWARD THE NORTH NORTHEAST OR  25 DEGREES AT 26 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  974 MB
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  70 KT
50 KT.......125NE 125SE   0SW   0NW
34 KT.......175NE 175SE  25SW  25NW
12 FT SEAS..500NE 300SE  00SW  00NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 39.3N  74.6W AT 16/2100Z
AT 16/1800Z CENTER WAS LOCATED NEAR 38.0N  75.3W
 
FORECAST VALID 17/0600Z 42.5N  71.0W
MAX WIND  50 KT...GUSTS  65 KT
50 KT...125NE 125SE   0SW   0NW
34 KT...175NE 175SE  25SW  25NW
 
FORECAST VALID 17/1800Z 45.4N  65.0W...EXTRATROPICAL
MAX WIND  45 KT...GUSTS  55 KT
34 KT...175NE 175SE  25SW  25NW
 
FORECAST VALID 18/0600Z 48.5N  57.5W...EXTRATROPICAL
MAX WIND  45 KT...GUSTS  55 KT
34 KT...175NE 175SE  25SW  25NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 39.3N  74.6W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 18/1800Z 49.5N  48.5W...EXTRATROPICAL
MAX WIND  45 KT...GUSTS  55 KT
 
OUTLOOK VALID 19/1800Z 50.0N  35.0W...EXTRATROPICAL
MAX WIND  45 KT...GUSTS  55 KT
 
NEXT ADVISORY AT 17/0300Z
 
LAWRENCE
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
 
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