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HURRICANE GERT FORECAST/ADVISORY NUMBER  36
NATIONAL WEATHER SERVICE MIAMI FL   AL0999
0900Z MON SEP 20 1999
 
A HURRICANE WATCH AND A TROPICAL STORM WARNING REMAIN IN EFFECT
FOR BERMUDA.
 
HURRICANE CENTER LOCATED NEAR 27.3N  61.8W AT 20/0900Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT 11 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  955 MB
EYE DIAMETER  20 NM
MAX SUSTAINED WINDS 110 KT WITH GUSTS TO 135 KT
64 KT.......105NE  75SE  50SW  90NW
50 KT.......180NE 150SE  90SW 130NW
34 KT.......225NE 200SE 125SW 160NW
12 FT SEAS..900NE 600SE 600SW 600NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 27.3N  61.8W AT 20/0900Z
AT 20/0600Z CENTER WAS LOCATED NEAR 26.9N  61.5W
 
FORECAST VALID 20/1800Z 28.7N  62.8W
MAX WIND 105 KT...GUSTS 130 KT
64 KT...105NE  75SE  50SW  90NW
50 KT...180NE 150SE  90SW 130NW
34 KT...225NE 200SE 125SW 160NW
 
FORECAST VALID 21/0600Z 30.5N  63.2W
MAX WIND 100 KT...GUSTS 120 KT
64 KT...105NE  75SE  50SW  90NW
50 KT...180NE 150SE  90SW 130NW
34 KT...225NE 200SE 125SW 160NW
 
FORECAST VALID 21/1800Z 32.8N  62.9W
MAX WIND  95 KT...GUSTS 115 KT
64 KT...105NE  75SE  50SW  90NW
50 KT...180NE 150SE  90SW 130NW
34 KT...225NE 200SE 125SW 160NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.3N  61.8W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 22/0600Z 35.5N  61.5W
MAX WIND  90 KT...GUSTS 110 KT
50 KT...150NE 125SE  75SW 100NW
 
OUTLOOK VALID 23/0600Z 42.0N  57.0W
MAX WIND  80 KT...GUSTS  95 KT
50 KT...150NE 125SE  75SW 100NW
 
NEXT ADVISORY AT 20/1500Z
 
FRANKLIN
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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