Hurricane Helene

Forecast Advisory 38

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080
WTNT23 KNHC 212036
TCMAT3
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