181  
WTNT33 KNHC 290240  
TCPAT3  
 
BULLETIN  
HURRICANE HUMBERTO ADVISORY NUMBER 18  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL082025  
1100 PM AST SUN SEP 28 2025  
 
...AIR FORCE HURRICANE HUNTERS INDICATE HUMBERTO REMAINS A  
CATEGORY 4 HURRICANE...  
...DANGEROUS SURF WILL AFFECT BERMUDA AND MOST OF THE U.S. EAST  
COAST THIS WEEK...  
 
 
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION  
-----------------------------------------------  
LOCATION...26.2N 66.2W  
ABOUT 585 MI...945 KM NNW OF THE NORTHERN LEEWARD ISLANDS  
ABOUT 430 MI...690 KM SSW OF BERMUDA  
MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H  
PRESENT MOVEMENT...NW OR 310 DEGREES AT 14 MPH...22 KM/H  
MINIMUM CENTRAL PRESSURE...928 MB...27.41 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
CHANGES WITH THIS ADVISORY:  
 
NONE.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...  
* BERMUDA  
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE  
POSSIBLE WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.  
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR  
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 1100 PM AST (0300 UTC), THE EYE OF HURRICANE HUMBERTO WAS LOCATED  
NEAR LATITUDE 26.2 NORTH, LONGITUDE 66.2 WEST. HUMBERTO IS MOVING  
TOWARD THE NORTHWEST NEAR 14 MPH (22 KM/H). A GRADUAL TURN TOWARD  
THE NORTH IS EXPECTED OVER THE NEXT DAY OR SO. THE HURRICANE IS THEN  
FORECAST TO TURN AND ACCELERATE EAST-NORTHEASTWARD BY LATE TUESDAY  
OR EARLY WEDNESDAY. ON THE FORECAST TRACK, THE CENTER OF HUMBERTO  
WILL PASS WELL WEST, AND THEN NORTH OF BERMUDA ON TUESDAY AND  
WEDNESDAY.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 140 MPH (220 KM/H) WITH HIGHER  
GUSTS. HUMBERTO IS A CATEGORY 4 HURRICANE ON THE SAFFIR-SIMPSON  
HURRICANE WIND SCALE. FLUCTUATIONS IN INTENSITY ARE POSSIBLE DURING  
THE NEXT DAY OR SO. GRADUAL WEAKENING IS FORECAST AFTER THAT, BUT  
HUMBERTO IS EXPECTED TO REMAIN A DANGEROUS MAJOR HURRICANE FOR  
ANOTHER COUPLE OF DAYS.  
 
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 60 MILES (95 KM) FROM THE  
CENTER AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 185 MILES  
(295 KM).  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 928 MB (27.41 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
SURF: SWELLS GENERATED BY HUMBERTO WILL CONTINUE TO AFFECT PORTIONS  
OF THE NORTHERN LEEWARD ISLANDS, THE VIRGIN ISLANDS, PUERTO RICO,  
AND BERMUDA THROUGH MUCH OF THIS WEEK. SWELLS FROM HUMBERTO WILL  
ALSO AFFECT THE U.S. EAST COAST BEGINNING MONDAY. THESE SWELLS ARE  
LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS.  
PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.  
 
RAINFALL: HURRICANE HUMBERTO IS EXPECTED TO BRING RAINFALL OF 1 TO  
2 INCHES, OR 25 TO 50 MM, TO BERMUDA MONDAY NIGHT THROUGH TUESDAY.  
 
 
NEXT ADVISORY  
-------------  
NEXT INTERMEDIATE ADVISORY AT 200 AM AST.  
NEXT COMPLETE ADVISORY AT 500 AM AST.  
 
 
FORECASTER CANGIALOSI  
 
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