Hurricane Helene

Forecast Advisory 48

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888
WTNT23 KNHC 240231
TCMAT3
HURRICANE HELENE FORECAST/ADVISORY NUMBER 48
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
0300 UTC SUN SEP 24 2006

HURRICANE CENTER LOCATED NEAR 39.1N 41.7W AT 24/0300Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 59 DEGREES AT 20 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 973 MB
MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT.
64 KT....... 0NE 0SE 80SW 80NW.
50 KT.......150NE 130SE 130SW 200NW.
34 KT.......325NE 230SE 250SW 325NW.
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 39.1N 41.7W AT 24/0300Z
AT 24/0000Z CENTER WAS LOCATED NEAR 38.6N 42.8W

FORECAST VALID 24/1200Z 40.5N 38.1W...EXTRATROPICAL
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 0NE 0SE 80SW 80NW.
50 KT...150NE 130SE 130SW 200NW.
34 KT...325NE 230SE 250SW 325NW.

FORECAST VALID 25/0000Z 42.5N 34.2W...EXTRATROPICAL
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 60NE 100SE 150SW 120NW.
50 KT...175NE 175SE 175SW 200NW.
34 KT...325NE 300SE 300SW 325NW.

FORECAST VALID 25/1200Z 43.8N 31.0W...EXTRATROPICAL
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 60NE 100SE 150SW 120NW.
50 KT...175NE 175SE 175SW 200NW.
34 KT...325NE 300SE 300SW 325NW.

FORECAST VALID 26/0000Z 45.0N 27.5W...EXTRATROPICAL
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 90NE 120SE 120SW 120NW.
34 KT...325NE 325SE 325SW 325NW.

FORECAST VALID 27/0000Z 47.0N 20.0W...EXTRATROPICAL
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...240NE 240SE 240SW 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 28/0000Z 48.5N 15.0W...EXTRATROPICAL
MAX WIND 35 KT...GUSTS 45 KT.

OUTLOOK VALID 29/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 39.1N 41.7W

NEXT ADVISORY AT 24/0900Z

$$
FORECASTER MAINELLI/BEVEN