Hurricane Helene
Forecast Advisory 50
269
WTNT23 KNHC 241426
TCMAT3
TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER 50
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
1500 UTC SUN SEP 24 2006
TROPICAL STORM CENTER LOCATED NEAR 40.9N 37.5W AT 24/1500Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE NORTHEAST OR 55 DEGREES AT 18 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 970 MB
MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT.
50 KT....... 90NE 125SE 175SW 175NW.
34 KT.......240NE 300SE 375SW 360NW.
12 FT SEAS..600NE 450SE 700SW 400NW.
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 40.9N 37.5W AT 24/1500Z
AT 24/1200Z CENTER WAS LOCATED NEAR 40.4N 38.4W
FORECAST VALID 25/0000Z 42.5N 34.6W...EXTRATROPICAL
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 90NE 125SE 175SW 175NW.
34 KT...240NE 300SE 375SW 360NW.
FORECAST VALID 25/1200Z 43.6N 31.8W...EXTRATROPICAL
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 75NE 100SE 150SW 150NW.
34 KT...200NE 240SE 300SW 300NW.
FORECAST VALID 26/0000Z 44.2N 28.0W...EXTRATROPICAL
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 0NE 90SE 120SW 0NW.
34 KT...180NE 200SE 240SW 240NW.
FORECAST VALID 26/1200Z 45.1N 23.7W...EXTRATROPICAL
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...120NE 150SE 200SW 200NW.
FORECAST VALID 27/1200Z 48.5N 14.0W...EXTRATROPICAL
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 0NE 120SE 150SW 0NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM
ON DAY 4 AND 325 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
OUTLOOK VALID 28/1200Z...DISSIPATED
OUTLOOK VALID 29/1200Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.9N 37.5W
THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON HELENE. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE
FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER
SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01
KWBC...AND ALSO BY METEOFRANCE UNDER WMO HEADER FQNT50 LFPW.
$$
FORECASTER RHOME/PASCH
