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TROPICAL STORM DENNIS FORECAST/ADVISORY NUMBER   4
NATIONAL WEATHER SERVICE MIAMI FL   AL0599
2100Z TUE AUG 24 1999
 
A TROPICAL STORM WARNING IS IN EFFECT FOR THE TURKS AND CAICOS
ISLANDS AND FOR THE SOUTHEASTERN BAHAMAS AND A TROPICAL STORM WATCH
FOR THE CENTRAL BAHAMAS.
 
TROPICAL STORM CENTER LOCATED NEAR 23.2N  71.4W AT 24/2100Z
POSITION ACCURATE WITHIN  60 NM
 
PRESENT MOVEMENT TOWARD THE WEST NORTHWEST OR 295 DEGREES AT  9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT
34 KT....... 75NE  75SE   0SW   0NW
12 FT SEAS.. 75NE  75SE   0SW   0NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 23.2N  71.4W AT 24/2100Z
AT 24/1800Z CENTER WAS LOCATED NEAR 23.0N  71.0W
 
FORECAST VALID 25/0600Z 23.8N  72.8W
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 25NE  25SE   0SW   0NW
34 KT... 75NE  75SE  25SW  25NW
 
FORECAST VALID 25/1800Z 24.7N  74.0W
MAX WIND  60 KT...GUSTS  75 KT
50 KT... 25NE  25SE   0SW   0NW
34 KT... 75NE  75SE  25SW  25NW
 
FORECAST VALID 26/0600Z 25.7N  75.5W
MAX WIND  70 KT...GUSTS  85 KT
64 KT...  0NE   0SE   0SW   0NW
50 KT... 30NE  30SE  20SW  20NW
34 KT...100NE 100SE  50SW  50NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.2N  71.4W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 26/1800Z 27.5N  77.0W
MAX WIND  80 KT...GUSTS  95 KT
50 KT... 50NE  50SE  50SW  50NW
 
OUTLOOK VALID 27/1800Z 30.0N  77.5W
MAX WIND  90 KT...GUSTS 110 KT
50 KT... 50NE  50SE  50SW  50NW
 
NEXT ADVISORY AT 25/0300Z
 
AVILA
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT5 AND WMO HEADER WTNT75 KNHC.
 
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