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ZCZC MIATCMAT5
TTAA00 KNHC 281454
HURRICANE DENNIS FORECAST/ADVISORY NUMBER  19
NATIONAL WEATHER SERVICE MIAMI FL   AL0599
1500Z SAT AUG 28 1999

HURRICANE WARNINGS IN THE BAHAMAS REMAIN IN EFFECT FOR THE ABACOS
AND GRAND BAHAMA ISLANDS.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE EAST COAST OF
FLORIDA FROM SEBASTIAN INLET TO FLAGLER BEACH.  A HURRICANE WATCH
REMAINS IN EFFECT FROM SEBASTIAN INLET NORTHWARD TO FERNANDINA
BEACH.
 
IT MAY BE NECESSARY TO SHIFT THE WATCHES AND WARNINGS NORTHWARD
AS EARLY AS THIS AFTERNOON. COASTAL INTERESTS IN GEORGIA AND SOUTH
AND NORTH CAROLINA SHOULD CLOSELY MONITOR THE PROGRESS OF DENNIS.
 
HURRICANE CENTER LOCATED NEAR 27.3N  77.2W AT 28/1500Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT  5 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  972 MB
EYE DIAMETER  35 NM
MAX SUSTAINED WINDS  85 KT WITH GUSTS TO 105 KT
64 KT....... 35NE  20SE  20SW  20NW
50 KT.......100NE  60SE  30SW  90NW
34 KT.......140NE 125SE  75SW 120NW
12 FT SEAS..175NE 150SE 100SW 200NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 27.3N  77.2W AT 28/1500Z
AT 28/1200Z CENTER WAS LOCATED NEAR 27.0N  77.0W
 
FORECAST VALID 29/0000Z 27.8N  77.8W
MAX WIND 90 KT...GUSTS 110 KT
64 KT... 35NE  20SE  20SW  20NW
50 KT...100NE  60SE  30SW  90NW
34 KT...140NE 125SE  75SW 120NW
 
FORECAST VALID 29/1200Z 28.5N  78.5W
MAX WIND 95 KT...GUSTS 115 KT
64 KT... 30NE  20SE  20SW  30NW
50 KT...100NE  75SE  30SW  90NW
34 KT...140NE 125SE  75SW 125NW
 
FORECAST VALID 30/0000Z 30.0N  79.0W
MAX WIND 100 KT...GUSTS 120 KT
64 KT... 30NE  20SE  20SW  30NW
50 KT...100NE  75SE  50SW  90NW
34 KT...140NE 125SE  75SW 125NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.3N  77.2W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 30/1200Z 31.5N  79.0W
MAX WIND 100 KT...GUSTS 120 KT
50 KT...100NE  75SE  50SW  90NW
 
OUTLOOK VALID 31/1200Z 33.0N  78.5W
MAX WIND 100 KT...GUSTS 120 KT
50 KT...100NE  75SE  50SW  90NW
 
NEXT ADVISORY AT 28/2100Z
 
AVILA
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT5 AND WMO HEADER WTNT75 KNHC.
 
 
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