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HURRICANE IRENE FORECAST/ADVISORY NUMBER  20
NATIONAL WEATHER SERVICE MIAMI FL   AL1399
0300Z MON OCT 18 1999
 
AT 11 PM EDT...0300 UTC...ALL WARNINGS ARE DISCONTINUED FROM SURF
CITY NORTH CAROLINA SOUTHWARD.
 
AT 11 PM EDT...0300 UTC...ALL REMAINING HURRICANE WARNINGS ARE
DOWNGRADED TO TROPICAL STORM WARNINGS.  A TROPICAL STORM WARNING IS
NOW IN EFFECT FROM NORTH OF SURF CITY NORTH CAROLINA TO THE NORTH
CAROLINA/VIRGINIA BORDER...INCLUDING PAMLICO AND ALBEMARLE SOUNDS.
 
ALL INTERESTS SOUTH OF THE WARNING AREA SHOULD EXERCISE DUE CAUTION
UNTIL WINDS AND SEAS SUBSIDE.
 
HURRICANE CENTER LOCATED NEAR 33.8N  76.5W AT 18/0300Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE EAST NORTHEAST OR  60 DEGREES AT 20 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  974 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT
64 KT....... 40NE   0SE   0SW   0NW
50 KT.......100NE 100SE   0SW  30NW
34 KT.......270NE 270SE  50SW  50NW
12 FT SEAS..400NE 300SE  90SW  70NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 33.8N  76.5W AT 18/0300Z
AT 18/0000Z CENTER WAS LOCATED NEAR 33.3N  77.8W
 
FORECAST VALID 18/1200Z 36.1N  73.6W
MAX WIND  60 KT...GUSTS  75 KT
50 KT...100NE 100SE   0SW  30NW
34 KT...270NE 270SE  50SW  50NW
 
FORECAST VALID 19/0000Z 40.3N  64.5W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 75NE  75SE   0SW   0NW
34 KT...270NE 270SE  50SW  50NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 33.8N  76.5W
 
NEXT ADVISORY AT 18/0900Z
 
JARVINEN
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
 
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