688  
WTNT33 KNHC 282353  
TCPAT3  
 
BULLETIN  
HURRICANE HUMBERTO INTERMEDIATE ADVISORY NUMBER 17A  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL082025  
800 PM AST SUN SEP 28 2025  
   
..AIR FORCE HURRICANE HUNTERS CURRENTLY INVSTIGATING HUMBERTO  
 
...DANGEROUS SURF WILL AFFECT BERMUDA AND MOST OF THE U.S. EAST  
COAST THIS WEEK...  
 
 
SUMMARY OF 800 PM AST...0000 UTC...INFORMATION  
----------------------------------------------  
LOCATION...25.8N 65.7W  
ABOUT 550 MI...885 KM NNW OF THE NORTHERN LEEWARD ISLANDS  
ABOUT 450 MI...730 KM S OF BERMUDA  
MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H  
PRESENT MOVEMENT...NW OR 305 DEGREES AT 13 MPH...20 KM/H  
MINIMUM CENTRAL PRESSURE...928 MB...27.40 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 800 PM AST (0000 UTC), THE EYE OF HURRICANE HUMBERTO WAS LOCATED  
NEAR LATITUDE 25.8 NORTH, LONGITUDE 65.7 WEST. HUMBERTO IS MOVING  
TOWARD THE NORTHWEST NEAR 13 MPH (20 KM/H). A GRADUAL TURN TOWARD  
THE NORTH IS EXPECTED OVER THE NEXT DAY OR TWO. 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 145 MPH (230 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 45 MILES (75 KM) FROM  
THE CENTER AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 185  
MILES (295 KM).  
 
THE MINIMUM CENTRAL PRESSURE BASED ON DROPSONDE DATA FROM THE AIR  
FORCE HURRICANE HUNTERS IS 928 MB (27.40 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 COMPLETE ADVISORY AT 1100 PM AST.  
 
 
FORECASTER CANGIALOSI  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab TPC Page
Main Text Page