816  
WTNT32 KNHC 120839  
TCPAT2  
 
BULLETIN  
HURRICANE OPHELIA ADVISORY NUMBER 13  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL172017  
500 AM AST THU OCT 12 2017  
 
...OPHELIA MOVING SLOWLY NORTHEASTWARD OVER THE NORTHEASTERN  
ATLANTIC...  
 
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION  
----------------------------------------------  
LOCATION...30.3N 35.6W  
ABOUT 725 MI...1165 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 500 AM AST (0900 UTC), THE CENTER OF HURRICANE OPHELIA WAS  
LOCATED NEAR LATITUDE 30.3 NORTH, LONGITUDE 35.6 WEST. OPHELIA IS  
MOVING TOWARD THE NORTHEAST NEAR 3 MPH (6 KM/H). THIS GENERAL  
MOTION IS EXPECTED TODAY, FOLLOWED A BY FASTER MOTION TOWARD THE  
EAST-NORTHEAST OR NORTHEAST ON FRIDAY.  
 
MAXIMUM SUSTAINED WINDS ARE 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 1100 AM AST.  
 

 
FORECASTER BEVEN  
 
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