Hurricane HELENE

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HURRICANE HELENE FORECAST/ADVISORY NUMBER  23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082006
0300 UTC MON SEP 18 2006
 
HURRICANE CENTER LOCATED NEAR 21.6N  49.4W AT 18/0300Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT   7 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  962 MB
EYE DIAMETER  25 NM
MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT.
64 KT....... 45NE  40SE  30SW  35NW.
50 KT....... 90NE  65SE  45SW  60NW.
34 KT.......175NE 150SE 100SW 125NW.
12 FT SEAS..275NE 200SE 200SW 250NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 21.6N  49.4W AT 18/0300Z
AT 18/0000Z CENTER WAS LOCATED NEAR 21.3N  49.2W
 
FORECAST VALID 18/1200Z 22.3N  50.2W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 45NE  40SE  30SW  35NW.
50 KT... 90NE  65SE  45SW  60NW.
34 KT...175NE 150SE 100SW 125NW.
 
FORECAST VALID 19/0000Z 23.0N  51.5W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 45NE  40SE  30SW  35NW.
50 KT... 90NE  65SE  45SW  60NW.
34 KT...175NE 150SE 100SW 125NW.
 
FORECAST VALID 19/1200Z 23.3N  53.1W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 45NE  40SE  30SW  35NW.
50 KT...100NE  75SE  60SW  75NW.
34 KT...200NE 175SE 125SW 150NW.
 
FORECAST VALID 20/0000Z 23.6N  54.8W
MAX WIND 110 KT...GUSTS 135 KT.
50 KT...100NE  75SE  60SW  75NW.
34 KT...200NE 175SE 125SW 150NW.
 
FORECAST VALID 21/0000Z 25.0N  58.0W
MAX WIND 100 KT...GUSTS 120 KT.
50 KT...100NE  75SE  60SW  75NW.
34 KT...200NE 175SE 125SW 150NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 225 NM
ON DAY 4 AND 300 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 22/0000Z 27.5N  59.5W
MAX WIND  95 KT...GUSTS 115 KT.
 
OUTLOOK VALID 23/0000Z 29.5N  61.5W
MAX WIND  90 KT...GUSTS 110 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.6N  49.4W
 
NEXT ADVISORY AT 18/0900Z
 
$$
FORECASTER BLAKE/PASCH
 
 
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