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HURRICANE DENNIS FORECAST/ADVISORY NUMBER  13
NATIONAL WEATHER SERVICE MIAMI FL   AL0599
0300Z FRI AUG 27 1999

AT 11 PM AST...0300Z...THE GOVERNMENT OF THE BAHAMAS HAS POSTED A
TROPICAL STORM WARNING FOR NEW PROVIDENCE...GRAND BAHAMA AND THE
BERRY ISLANDS IN THE NORTHWEST BAHAMAS.
 
A HURRICANE WARNING IS IN EFFECT FOR THE ENTIRE CENTRAL BAHAMAS AND
FOR A PORTION OF THE NORTHWEST BAHAMAS...ELEUTHERA AND THE ABACOS.
A HURRICANE WATCH IS IN EFFECT FOR THE REMAINDER OF THE NORTHWEST
BAHAMAS INCLUDING ANDROS...BERRY...BIMINI...GRAND BAHAMA...AND NEW
PROVIDENCE ISLANDS.
 
RESIDENTS ALONG THE SOUTHEAST COAST OF THE UNITED STATES...PRIMARILY
NORTH AND SOUTH CAROLINA..SHOULD CLOSELY MONITOR THE PROGRESS OF
DENNIS.
 
HURRICANE CENTER LOCATED NEAR 25.0N  74.7W AT 27/0300Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST NORTHWEST OR 300 DEGREES AT  5 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  992 MB
MAX SUSTAINED WINDS  70 KT WITH GUSTS TO  85 KT
64 KT....... 40NE   0SE   0SW   0NW
50 KT....... 90NE  30SE   0SW  40NW
34 KT.......125NE 100SE  60SW  90NW
12 FT SEAS..150NE 125SE  60SW 120NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 25.0N  74.7W AT 27/0300Z
AT 27/0000Z CENTER WAS LOCATED NEAR 24.8N  74.3W
 
FORECAST VALID 27/1200Z 25.5N  75.5W
MAX WIND  70 KT...GUSTS  85 KT
64 KT... 40NE  20SE   0SW   0NW
50 KT... 90NE  30SE   0SW  40NW
34 KT...125NE 125SE  60SW  90NW
 
FORECAST VALID 28/0000Z 26.3N  76.5W
MAX WIND  75 KT...GUSTS  90 KT
64 KT... 40NE  30SE  20SW  30NW
50 KT... 90NE  60SE  40SW  60NW
34 KT...125NE 125SE  75SW  90NW
 
FORECAST VALID 28/1200Z 27.3N  77.5W
MAX WIND  80 KT...GUSTS  95 KT
64 KT... 40NE  30SE  20SW  30NW
50 KT... 90NE  60SE  60SW  60NW
34 KT...125NE 125SE  75SW  90NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.0N  74.7W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 29/0000Z 29.0N  78.5W
MAX WIND  85 KT...GUSTS 105 KT
50 KT... 90NE  60SE  60SW  60NW
 
OUTLOOK VALID 30/0000Z 33.5N  79.0W
MAX WIND  95 KT...GUSTS 115 KT
50 KT... 90NE  60SE  60SW  60NW
 
NEXT ADVISORY AT 27/0900Z
 
GUINEY
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT5 AND WMO HEADER WTNT75 KNHC.
 
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