144  
WTNT33 KNHC 270237  
TCPAT3  
 
BULLETIN  
HURRICANE HUMBERTO ADVISORY NUMBER 10  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL082025  
1100 PM AST FRI SEP 26 2025  
   
..HUMBERTO BECOMES A POWERFUL CATEGORY 4 HURRICANE  
   
..RAPID STRENGTHENING SHOULD CONTINUE OVER THE CENTRAL ATLANTIC  
 
 
 
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION  
-----------------------------------------------  
LOCATION...22.1N 58.7W  
ABOUT 390 MI...630 KM NE OF THE NORTHERN LEEWARD ISLANDS  
MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H  
PRESENT MOVEMENT...W OR 265 DEGREES AT 7 MPH...11 KM/H  
MINIMUM CENTRAL PRESSURE...940 MB...27.76 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 HURRICANE HUMBERTO WAS  
LOCATED NEAR LATITUDE 22.1 NORTH, LONGITUDE 58.7 WEST. HUMBERTO IS  
MOVING TOWARD THE WEST NEAR 7 MPH (11 KM/H). BY EARLY MONDAY, A  
TURN TOWARD THE NORTHWEST AT A SLIGHTLY FASTER FORWARD SPEED IS  
FORECAST FOLLOWED BY A TURN TOWARD THE NORTH-NORTHWEST BY MONDAY  
NIGHT.  
 
MAXIMUM SUSTAINED WINDS HAVE QUICKLY INCREASED TO NEAR 145 MPH (230  
KM/H) WITH HIGHER GUSTS. HUMBERTO IS A CATEGORY 4 HURRICANE ON THE  
SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL STRENGTHENING IS  
FORECAST THROUGH THE WEEKEND.  
 
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 25 MILES (35 KM) FROM THE  
CENTER AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105 MILES  
(165 KM).  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 940 MB (27.76 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
SURF: SWELLS GENERATED BY HUMBERTO WILL BEGIN AFFECTING PORTIONS OF  
THE NORTHERN LEEWARD ISLANDS, THE VIRGIN ISLANDS, PUERTO RICO, AND  
BERMUDA THIS WEEKEND. THESE SWELLS ARE LIKELY TO CAUSE  
LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT  
PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.  
 
 
NEXT ADVISORY  
-------------  
NEXT COMPLETE ADVISORY AT 500 AM AST.  
 
 
FORECASTER ROBERTS  
 
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