900  
WTNT34 KNHC 062035  
TCPAT4  
 
BULLETIN  
TROPICAL STORM DEXTER ADVISORY NUMBER 12  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL042025  
500 PM AST WED AUG 06 2025  
 
...DEXTER FORECAST TO BECOME A POWERFUL EXTRATROPICAL CYCLONE AS  
IT MOVES ACROSS THE NORTH ATLANTIC...  
 
 
SUMMARY OF 500 PM AST...2100 UTC...INFORMATION  
----------------------------------------------  
LOCATION...40.0N 56.3W  
ABOUT 490 MI...790 KM SSW OF CAPE RACE NEWFOUNDLAND  
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H  
PRESENT MOVEMENT...ENE OR 75 DEGREES AT 16 MPH...26 KM/H  
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 500 PM AST (2100 UTC), THE CENTER OF TROPICAL STORM DEXTER WAS  
LOCATED NEAR LATITUDE 40.0 NORTH, LONGITUDE 56.3 WEST. DEXTER IS  
MOVING TOWARD THE EAST-NORTHEAST NEAR 16 MPH (26 KM/H) AND THIS  
GENERAL MOTION IS EXPECTED TO CONTINUE WITH A FURTHER INCREASE IN  
FORWARD SPEED OVER THE NEXT FEW DAYS.  
 
MAXIMUM SUSTAINED WINDS REMAIN NEAR 50 MPH (85 KM/H) WITH HIGHER  
GUSTS. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT DAY  
OR SO AS DEXTER UNDERGOES EXTRATROPICAL TRANSITION.  
 
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 175 MILES (280 KM)  
FROM THE CENTER.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 999 MB (29.50 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
NONE.  
 
 
NEXT ADVISORY  
-------------  
NEXT COMPLETE ADVISORY AT 1100 PM AST.  
 

 
FORECASTER PAPIN  
 
 
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