ZULU – PORT IS CLOSED –TAMPA/PORT MANATEE– STORM HAS PASSED, AWAITING USCG ADVISE ON OPENING

YANKEE – NO INCOMING VESSELS, VESSELS IN PORT MUST BE PREPARED TO DEPART – CLOSURE WITHIN 24 HOURS. – SAVANNAH - STORM HAS PASSED, AWAITING USCG ADVISE ON OPENING

X-RAY – NO SE PORTS

SEASONAL 4 - MIAMI/PORT EVERGLADES/PORT CANAVERAL//JACKSONVILLE /CHARLESTON  

WILMINGTON – OPEN, HOWEVER, PILOTS HAVE CLOSED THE RIVER AT 0300/27

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Post-Tropical Cyclone Helene Advisory Number  18 - NWS National Hurricane Center Miami FL       AL092024  400 PM CDT Fri Sep 27 2024

 

...HELENE STILL PRODUCING CATASTROPHIC FLOODING OVER PORTIONS OF THE SOUTHERN APPALACHIANS AND TENNESSEE VALLEY......FUTURE ADVISORIES WILL BE ISSUED BY THE WEATHER PREDICTION

CENTER...

 

SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION

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ABOUT 50 MI...80 KM SSE OF LOUISVILLE KENTUCKY

MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H

PRESENT MOVEMENT...NNW OR 330 DEGREES AT 17 MPH...28 KM/H

MINIMUM CENTRAL PRESSURE...984 MB...29.06 INCHES

 

WATCHES AND WARNINGS

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There are no coastal watches or warnings in effect.

 

DISCUSSION AND OUTLOOK

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At 400 PM CDT (2100 UTC), the center of Post-Tropical Cyclone Helene was located near latitude 37.5 North, longitude 85.5 West. The post-tropical cyclone is moving toward the north-northwest near 17 mph (28 km/h). A slowdown in forward speed is expected, and the  system is forecast to stall over the Tennessee Valley late tonight and through the weekend.

Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Continued weakening is expected during the next couple of days.

The estimated minimum central pressure is 984 mb (29.06 inches).