Hurricane HELENE

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HURRICANE HELENE FORECAST/ADVISORY NUMBER  38
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082006
2100 UTC THU SEP 21 2006
 
HURRICANE CENTER LOCATED NEAR 30.7N  56.8W AT 21/2100Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTH OR  10 DEGREES AT  12 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  972 MB
MAX SUSTAINED WINDS  70 KT WITH GUSTS TO  85 KT.
64 KT....... 30NE  30SE  25SW  25NW.
50 KT....... 70NE  70SE  60SW  60NW.
34 KT.......200NE 200SE 175SW 175NW.
12 FT SEAS..400NE 300SE 300SW 350NW.
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 30.7N  56.8W AT 21/2100Z
AT 21/1800Z CENTER WAS LOCATED NEAR 30.1N  57.0W
 
FORECAST VALID 22/0600Z 32.7N  55.9W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 30NE  30SE  25SW  25NW.
50 KT... 70NE  70SE  60SW  60NW.
34 KT...200NE 200SE 175SW 175NW.
 
FORECAST VALID 22/1800Z 35.4N  53.2W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 30NE  30SE  25SW  25NW.
50 KT... 70NE  70SE  60SW  60NW.
34 KT...200NE 200SE 175SW 175NW.
 
FORECAST VALID 23/0600Z 37.9N  49.1W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 40NE  40SE  30SW  30NW.
50 KT... 90NE  90SE  60SW  60NW.
34 KT...225NE 225SE 200SW 175NW.
 
FORECAST VALID 23/1800Z 40.7N  43.7W...BECOMING EXTRATROPICAL
MAX WIND  65 KT...GUSTS  80 KT.
50 KT...100NE 100SE 100SW 100NW.
34 KT...225NE 225SE 225SW 200NW.
 
FORECAST VALID 24/1800Z 46.5N  32.5W...EXTRATROPICAL
MAX WIND  60 KT...GUSTS  75 KT.
50 KT...120NE 150SE 150SW 120NW.
34 KT...240NE 300SE 300SW 240NW.
 
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 25/1800Z 52.0N  23.0W...EXTRATROPICAL
MAX WIND  60 KT...GUSTS  75 KT.
 
OUTLOOK VALID 26/1800Z 58.0N  18.0W...EXTRATROPICAL
MAX WIND  55 KT...GUSTS  65 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.7N  56.8W
 
NEXT ADVISORY AT 22/0300Z
 
$$
FORECASTER BROWN/AVILA
 
 
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