539 WTNT24 KNHC 272034 TCMAT4 POST-TROPICAL CYCLONE HELENE FORECAST/ADVISORY NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092024 2100 UTC FRI SEP 27 2024 POST-TROPICAL CYCLONE CENTER LOCATED NEAR 37.5N 85.5W AT 27/2100Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 330 DEGREES AT 15 KT ESTIMATED MINIMUM CENTRAL PRESSURE 984 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 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 37.5N 85.5W AT 27/2100Z AT 27/1800Z CENTER WAS LOCATED NEAR 36.7N 84.9W FORECAST VALID 28/0600Z 37.9N 87.0W...POST-TROP/EXTRATROP MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 28/1800Z 37.7N 87.2W...POST-TROP/EXTRATROP MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 29/0600Z 37.5N 87.3W...POST-TROP/EXTRATROP MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 29/1800Z 37.3N 87.0W...POST-TROP/EXTRATROP MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 30/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 37.5N 85.5W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM. FUTURE INFORMATION ON THIS SYSTEM CAN BE FOUND IN FORECAST/ADVISORIES ISSUED BY THE WEATHER PREDICTION CENTER BEGINNING AT 0300 UTC, UNDER AWIPS HEADER TCMAT4, WMO HEADER WTNT24 KWNH, AND ON THE WEB AT WWW.HURRICANES.GOV. RAINFALL FORECASTS FOR THE UNITED STATES CAN ALWAYS BE FOUND AT HTTPS://WWW.WPC.NCEP.NOAA.GOV/QPF/QPF2.SHTML AND OUTLOOKS OF FLASH FLOOD RISKS CAN BE FOUND AT HTTPS://WWW.WPC.NCEP.NOAA.GOV/QPF/EXCESSIVE_RAINFALL_OUTLOOK_ERO.PHP . $$ FORECASTER CANGIALOSI
Originally Posted at:
NATIONAL HURRICANE CENTER and CENTRAL PACIFIC HURRICANE CENTER
At The NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION
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