WTNT24 KNHC 251456
TCMAT4 1456
HURRICANE HELENE FORECAST/ADVISORY NUMBER 9
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092024
1500 UTC WED SEP 25 2024
HURRICANE CENTER LOCATED NEAR 21.6N 86.3W AT 25/1500Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 330 DEGREES AT 9 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 979 MB
MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT.
64 KT……. 20NE 20SE 0SW 0NW.
50 KT……. 60NE 60SE 0SW 40NW.
34 KT…….210NE 240SE 60SW 90NW.
12 FT SEAS..180NE 180SE 90SW 90NW.
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 21.6N 86.3W AT 25/1500Z
AT 25/1200Z CENTER WAS LOCATED NEAR 21.1N 86.2W
FORECAST VALID 26/0000Z 23.0N 86.4W
MAX WIND 85 KT…GUSTS 105 KT.
64 KT… 20NE 20SE 0SW 0NW.
50 KT… 70NE 80SE 30SW 40NW.
34 KT…270NE 270SE 90SW 120NW.
FORECAST VALID 26/1200Z 25.7N 85.7W
MAX WIND 105 KT…GUSTS 130 KT.
64 KT… 40NE 40SE 20SW 20NW.
50 KT…100NE 100SE 50SW 60NW.
34 KT…240NE 250SE 120SW 140NW.
FORECAST VALID 27/0000Z 29.7N 84.6W
MAX WIND 110 KT…GUSTS 135 KT.
64 KT… 40NE 40SE 20SW 25NW.
50 KT… 80NE 90SE 40SW 50NW.
34 KT…250NE 250SE 100SW 100NW.
FORECAST VALID 27/1200Z 34.3N 85.0W…INLAND
MAX WIND 50 KT…GUSTS 60 KT.
50 KT… 30NE 30SE 0SW 0NW.
34 KT… 70NE 330SE 40SW 40NW.
FORECAST VALID 28/0000Z 36.6N 86.9W…POST-TROP/INLAND
MAX WIND 30 KT…GUSTS 40 KT.
FORECAST VALID 28/1200Z 36.9N 87.8W…POST-TROP/INLAND
MAX WIND 20 KT…GUSTS 30 KT.
EXTENDED OUTLOOK. NOTE…ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM
ON DAY 4 AND 175 NM ON DAY 5…AND FOR INTENSITY NEAR 15 KT EACH DAY
OUTLOOK VALID 29/1200Z 36.6N 87.9W…POST-TROP/INLAND
MAX WIND 15 KT…GUSTS 20 KT.
OUTLOOK VALID 30/1200Z…DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.6N 86.3W
INTERMEDIATE PUBLIC ADVISORY…WTNT34 KNHC/MIATCPAT4…AT 25/1800Z
NEXT ADVISORY AT 25/2100Z
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FORECASTER BERG
UUID 67C35EAC-7B4E-11EF-8596-0AFB0B270000 TX 1
