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POST-TROPICAL CYCLONE HELENE FORECAST/ADVISORY NUMBER 20
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD AL092024
0900 UTC SAT SEP 28 2024
POST-TROPICAL CYCLONE CENTER LOCATED NEAR 37.3N 87.9W AT 28/0900Z
POSITION ACCURATE WITHIN 10 NM
PRESENT MOVEMENT TOWARD THE SOUTHEAST OR 140 DEGREES AT 3 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 992 MB
MAX SUSTAINED WINDS 20 KT WITH GUSTS TO 30 KT.
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 37.3N 87.9W AT 28/0900Z
AT 28/0600Z CENTER WAS LOCATED NEAR 37.4N 88.0W
FORECAST VALID 28/1800Z 36.9N 87.8W...POST-TROP/EXTRATROP
MAX WIND 20 KT...GUSTS 30 KT.
FORECAST VALID 29/0600Z 36.9N 87.2W...POST-TROP/EXTRATROP
MAX WIND 15 KT...GUSTS 25 KT.
FORECAST VALID 29/1800Z 36.8N 86.6W...POST-TROP/EXTRATROP
MAX WIND 15 KT...GUSTS 25 KT.
FORECAST VALID 30/0600Z 36.6N 85.9W...POST-TROP/EXTRATROP
MAX WIND 15 KT...GUSTS 25 KT.
FORECAST VALID 30/1800Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 37.3N 87.9W
NEXT ADVISORY AT 28/1500Z
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FORECASTER HURLEY
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