458  
WTNT32 KNHC 112030  
TCPAT2  
 
BULLETIN  
HURRICANE OPHELIA ADVISORY NUMBER 11  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL172017  
500 PM AST WED OCT 11 2017  
   
..OPHELIA BECOMES THE 10TH HURRICANE OF THE 2017 SEASON
 
 
SUMMARY OF 500 PM AST...2100 UTC...INFORMATION  
----------------------------------------------  
LOCATION...30.0N 36.1W  
ABOUT 760 MI...1220 KM SW OF THE AZORES  
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H  
PRESENT MOVEMENT...E OR 90 DEGREES AT 3 MPH...6 KM/H  
MINIMUM CENTRAL PRESSURE...990 MB...29.24 INCHES  
 
WATCHES AND WARNINGS  
--------------------  
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
DISCUSSION AND 48-HOUR OUTLOOK  
------------------------------  
AT 500 PM AST (2100 UTC), THE CENTER OF HURRICANE OPHELIA WAS  
LOCATED NEAR LATITUDE 30.0 NORTH, LONGITUDE 36.1 WEST. OPHELIA IS  
MOVING TOWARD THE EAST NEAR 3 MPH (6 KM/H). A SLOW NORTHEAST DRIFT  
IS EXPECTED TONIGHT AND TOMORROW, FOLLOWED BY AN ACCELERATION  
TOWARD THE EAST-NORTHEAST OR NORTHEAST.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH (120 KM/H) WITH HIGHER  
GUSTS. SOME STRENGTHENING IS POSSIBLE OVER THE NEXT 48 HOURS.  
 
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 990 MB (29.24 INCHES).  
 
HAZARDS AFFECTING LAND  
----------------------  
NONE.  
 
NEXT ADVISORY  
-------------  
NEXT COMPLETE ADVISORY AT 1100 PM AST.  
 

 
FORECASTER ZELINSKY  
 
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