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HURRICANE LENNY FORECAST/ADVISORY NUMBER  20
NATIONAL WEATHER SERVICE MIAMI FL   AL1699
0900Z THU NOV 18 1999
...CORRECT WARNING SECTION... 
A HURRICANE WARNING REMAINS IN EFFECT FOR CULEBRA...VIEQUES...THE
U.S. AND BRITISH VIRGIN ISLANDS. A HURRICANE WARNING ALSO REMAINS IN
EFFECT FOR DUTCH ST. MAARTEN...FRENCH ST. MARTIN...ST.
BARTHELEMEY...
ANGUILLA...SABA...ST. EUSTATIUS...ST. KITTS...NEVIS...MONTSERRAT
...ANTIGUA...AND BARBUDA.
 
TROPICAL STORM WARNINGS REMAIN IN EFFECT EAST OF A PONCE-MANATI
LINE...INCLUDING SAN JUAN.
 
ALL INTERESTS ALONG COASTAL SECTIONS OF PUERTO RICO WEST OF A PONCE-
MANATI LINE SHOULD EXERCISE CAUTION UNTIL WINDS AND SEAS SUBSIDE.
 
HURRICANE CENTER LOCATED NEAR 17.8N  63.6W AT 18/0900Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE EAST OR  80 DEGREES AT  3 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  947 MB
EYE DIAMETER  18 NM
MAX SUSTAINED WINDS 125 KT WITH GUSTS TO 150 KT
64 KT....... 40NE  50SE  40SW  40NW
50 KT....... 75NE 105SE  75SW  60NW
34 KT.......100NE 160SE 135SW  75NW
12 FT SEAS..150NE 300SE 300SW 150NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 17.8N  63.6W AT 18/0900Z
AT 18/0600Z CENTER WAS LOCATED NEAR 17.7N  63.9W
 
FORECAST VALID 18/1800Z 17.9N  63.3W
MAX WIND 125 KT...GUSTS 150 KT
64 KT... 40NE  50SE  50SW  40NW
50 KT... 75NE 105SE  75SW  60NW
34 KT...100NE 160SE 135SW  70NW
 
FORECAST VALID 19/0600Z 18.4N  62.6W
MAX WIND 120 KT...GUSTS 145 KT
64 KT... 40NE  50SE  40SW  40NW
50 KT... 75NE 105SE  75SW  75NW
34 KT...135NE 160SE 135SW 135NW
 
FORECAST VALID 19/1800Z 19.1N  61.9W
MAX WIND 105 KT...GUSTS 130 KT
64 KT... 40NE  50SE  40SW  40NW
50 KT... 75NE 105SE  75SW  75NW
34 KT...135NE 160SE 135SW 135NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.7N  63.7W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 20/0600Z 20.0N  61.0W
MAX WIND  85 KT...GUSTS 105 KT
50 KT... 75NE 105SE  75SW  75NW
 
OUTLOOK VALID 21/0600Z 22.0N  59.0W
MAX WIND  65 KT...GUSTS  80 KT
50 KT... 75NE 105SE  75SW  75NW
 
NEXT ADVISORY AT 18/1500Z
 
BEVEN
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT1 AND WMO HEADER WTNT71 KNHC.
 
 
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