Hurricane Helene

Forecast Advisory 45

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025
WTNT23 KNHC 231216
TCMAT3
HURRICANE HELENE SPECIAL FORECAST/ADVISORY NUMBER 45
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
1200 UTC SAT SEP 23 2006

HURRICANE CENTER LOCATED NEAR 37.4N 47.2W AT 23/1200Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 60 DEGREES AT 22 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 970 MB
MAX SUSTAINED WINDS 80 KT WITH GUSTS TO 100 KT.
64 KT....... 0NE 115SE 115SW 90NW.
50 KT....... 75NE 150SE 150SW 175NW.
34 KT.......225NE 225SE 300SW 300NW.
12 FT SEAS..500NE 400SE 400SW 500NW.
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 37.4N 47.2W AT 23/1200Z
AT 23/0600Z CENTER WAS LOCATED NEAR 36.7N 49.3W

FORECAST VALID 23/1800Z 38.2N 44.8W...EXTRATROPICAL
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 0NE 115SE 115SW 90NW.
50 KT... 75NE 150SE 150SW 175NW.
34 KT...225NE 225SE 300SW 300NW.

FORECAST VALID 24/0600Z 39.7N 40.3W...EXTRATROPICAL
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 0NE 115SE 115SW 90NW.
50 KT... 75NE 150SE 150SW 175NW.
34 KT...225NE 225SE 300SW 300NW.

FORECAST VALID 24/1800Z 41.5N 35.8W...EXTRATROPICAL
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 0NE 90SE 90SW 75NW.
50 KT...120NE 120SE 150SW 120NW.
34 KT...300NE 300SE 300SW 300NW.

FORECAST VALID 25/0600Z 43.3N 31.7W...EXTRATROPICAL
MAX WIND 60 KT...GUSTS 75 KT.
50 KT...150NE 150SE 120SW 120NW.
34 KT...360NE 360SE 300SW 300NW.

FORECAST VALID 26/0600Z 46.8N 23.9W...EXTRATROPICAL
MAX WIND 55 KT...GUSTS 65 KT.
50 KT...150NE 150SE 120SW 120NW.
34 KT...360NE 360SE 300SW 300NW.

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 27/0600Z 50.4N 16.5W...EXTRATROPICAL
MAX WIND 45 KT...GUSTS 55 KT.

OUTLOOK VALID 28/0600Z 55.0N 10.0W...EXTRATROPICAL
MAX WIND 40 KT...GUSTS 50 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 37.4N 47.2W

NEXT ADVISORY AT 23/1500Z

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FORECASTER RHOME/KNABB