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HURRICANE IRENE FORECAST/ADVISORY NUMBER  23
NATIONAL WEATHER SERVICE MIAMI FL   AL1399
2100Z MON OCT 18 1999
  
HURRICANE CENTER LOCATED NEAR 40.6N  64.8W AT 18/2100Z
POSITION ACCURATE WITHIN  60 NM
 
PRESENT MOVEMENT TOWARD THE NORTHEAST OR  55 DEGREES AT 42 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  965 MB
MAX SUSTAINED WINDS  85 KT WITH GUSTS TO 105 KT
64 KT....... 50NE  50SE   0SW   0NW
50 KT.......125NE 150SE 100SW 125NW
34 KT.......250NE 325SE 150SW 200NW
12 FT SEAS..300NE 325SE 300SW 200NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 40.6N  64.8W AT 18/2100Z
AT 18/1800Z CENTER WAS LOCATED NEAR 39.1N  67.8W
 
FORECAST VALID 19/0600Z 45.0N  55.5W...EXTRATROPICAL
MAX WIND  75 KT...GUSTS  90 KT
64 KT... 50NE  50SE   0SW   0NW
50 KT...125NE 150SE 100SW 125NW
34 KT...250NE 325SE 150SW 200NW
 
FORECAST VALID 19/1800Z 50.0N  43.5W...EXTRATROPICAL
MAX WIND  65 KT...GUSTS  80 KT
64 KT... 50NE 100SE 100SW  50NW
50 KT...100NE 200SE 200SW 100NW
34 KT...200NE 300SE 300SW 200NW
 
FORECAST VALID 20/0600Z 51.5N  36.0W...EXTRATROPICAL
MAX WIND  65 KT...GUSTS  80 KT
64 KT... 50NE 100SE 100SW  50NW
50 KT...100NE 200SE 200SW 100NW
34 KT...200NE 300SE 300SW 200NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.6N  64.8W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 20/1800Z 51.5N  31.0W...EXTRATROPICAL
MAX WIND  65 KT...GUSTS  80 KT
50 KT...100NE 200SE 200SW 100NW
 
NEXT ADVISORY AT 19/0300Z
 
LAWRENCE
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT3 AND WMO HEADER WTNT73 KNHC.
 
 
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