061  
WTNT32 KNHC 120237  
TCPAT2  
 
BULLETIN  
HURRICANE OPHELIA ADVISORY NUMBER 12  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL172017  
1100 PM AST WED OCT 11 2017  
   
..OPHELIA STRENGTHENING OVER THE EASTERN ATLANTIC OCEAN
 
 
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION  
-----------------------------------------------  
LOCATION...30.0N 35.7W  
ABOUT 745 MI...1195 KM SW OF THE AZORES  
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H  
PRESENT MOVEMENT...NE OR 40 DEGREES AT 3 MPH...6 KM/H  
MINIMUM CENTRAL PRESSURE...986 MB...29.12 INCHES  
 
WATCHES AND WARNINGS  
--------------------  
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
INTERESTS IN THE EASTERN AZORES SHOULD MONITOR THE PROGRESS OF  
OPHELIA.  
 
DISCUSSION AND 48-HOUR OUTLOOK  
------------------------------  
AT 1100 PM AST (0300 UTC), THE CENTER OF HURRICANE OPHELIA WAS  
LOCATED NEAR LATITUDE 30.0 NORTH, LONGITUDE 35.7 WEST. OPHELIA IS  
MOVING TOWARD THE NORTHEAST NEAR 3 MPH (6 KM/H). THIS GENERAL  
MOTION IS EXPECTED ON THURSDAY, FOLLOWED BY FASTER MOTION TOWARD  
THE EAST-NORTHEAST OR NORTHEAST ON FRIDAY.  
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 85 MPH (140 KM/H)  
WITH HIGHER GUSTS. SOME SLIGHT STRENGTHENING IS POSSIBLE OVER THE  
NEXT DAY OR TWO.  
 
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 25 MILES (35 KM) FROM THE  
CENTER AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 70 MILES  
(110 KM).  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 986 MB (29.12 INCHES).  
 
HAZARDS AFFECTING LAND  
----------------------  
NONE.  
 
NEXT ADVISORY  
-------------  
NEXT COMPLETE ADVISORY AT 500 AM AST.  
 

 
FORECASTER BLAKE  
 
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