283  
WTNT34 KNHC 160233  
TCPAT4  
 
BULLETIN  
POST-TROPICAL CYCLONE SEAN ADVISORY NUMBER 21  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL192023  
1100 PM AST SUN OCT 15 2023  
   
..SEAN DEGENERATES INTO A REMNANT LOW
 
   
..THIS IS THE FINAL ADVISORY
 
 
 
 
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION  
-----------------------------------------------  
LOCATION...18.2N 49.3W  
ABOUT 905 MI...1455 KM E OF THE NORTHERN LEEWARD ISLANDS  
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H  
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 12 MPH...19 KM/H  
MINIMUM CENTRAL PRESSURE...1011 MB...29.86 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 1100 PM AST (0300 UTC), THE CENTER OF POST-TROPICAL CYCLONE SEAN  
WAS LOCATED NEAR LATITUDE 18.2 NORTH, LONGITUDE 49.3 WEST. THE  
POST-TROPICAL CYCLONE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 12  
MPH (19 KM/H). A TURN TOWARD THE WEST WITH AN INCREASE IN FORWARD  
SPEED IS EXPECTED OVERNIGHT AND MONDAY MORNING.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 30 MPH (45 KM/H) WITH HIGHER GUSTS.  
WEAKENING IS FORECAST, AND SEAN IS EXPECTED TO DISSIPATE INTO AN  
OPEN TROUGH BY MONDAY NIGHT OR TUESDAY.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1011 MB (29.86 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
NONE  
 
 
NEXT ADVISORY  
-------------  
THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE  
CENTER ON THIS SYSTEM. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE  
FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE,  
UNDER AWIPS HEADER NFDHSFAT1, WMO HEADER FZNT01 KWBC, AND ONLINE AT  
OCEAN.WEATHER.GOV/SHTML/NFDHSFAT1.PHP  
 

 
FORECASTER BERG  
 
 
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