362  
WTNT32 KNHC 130850  
TCPAT2  
 
BULLETIN  
HURRICANE OPHELIA ADVISORY NUMBER 17  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL172017  
500 AM AST FRI OCT 13 2017  
   
..OPHELIA MOVING FASTER TOWARD THE EAST-NORTHEAST
 
 
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION  
----------------------------------------------  
LOCATION...31.1N 33.9W  
ABOUT 615 MI...995 KM SW OF THE AZORES  
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H  
PRESENT MOVEMENT...ENE OR 70 DEGREES AT 8 MPH...13 KM/H  
MINIMUM CENTRAL PRESSURE...970 MB...28.65 INCHES  
 
WATCHES AND WARNINGS  
--------------------  
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
INTERESTS IN THE AZORES SHOULD REFER TO PRODUCTS ISSUED BY THE  
AZORES WEATHER FORECAST AND WATCH CENTER. INTERESTS IN IRELAND  
SHOULD MONITOR PRODUCTS ISSUED BY MET EIREANN, AND INTERESTS IN THE  
UNITED KINGDOM SHOULD MONITOR PRODUCTS ISSUED BY THE UK MET OFFICE.  
 
DISCUSSION AND 48-HOUR OUTLOOK  
------------------------------  
AT 500 AM AST (0900 UTC), THE CENTER OF HURRICANE OPHELIA WAS  
LOCATED NEAR LATITUDE 31.1 NORTH, LONGITUDE 33.9 WEST. OPHELIA IS  
MOVING TOWARD THE EAST-NORTHEAST NEAR 8 MPH (13 KM/H), AND THIS  
MOTION WITH AN INCREASE IN FORWARD SPEED IS EXPECTED THROUGH  
SATURDAY. A TURN TOWARD THE NORTHEAST WITH AN ADDITIONAL INCREASE  
IN FORWARD SPEED IS EXPECTED SATURDAY NIGHT. ON THE FORECAST  
TRACK, THE CENTER OF OPHELIA WILL PASS NEAR OR TO THE SOUTHEAST OF  
THE SOUTHEASTERN AZORES SATURDAY AND SATURDAY NIGHT.  
 
MAXIMUM SUSTAINED WINDS REMAIN NEAR 105 MPH (165 KM/H) WITH HIGHER  
GUSTS. ONLY SLIGHT WEAKENING IS FORECAST DURING 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 90 MILES  
(150 KM).  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB (28.65 INCHES).  
 
HAZARDS AFFECTING LAND  
----------------------  
RAINFALL: OPHELIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS  
OF 2 TO 4 INCHES OVER THE SOUTHEASTERN AZORES SATURDAY AND SATURDAY  
NIGHT. DURING THE SAME TIME, A COLD FRONT AND MOISTURE ASSOCIATED  
WITH OPHELIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 1 TO  
3 INCHES OVER THE OTHER ISLANDS OF THE AZORES. THIS RAINFALL COULD  
PRODUCE FLOODING, ESPECIALLY OVER THE SOUTHEASTERN AZORES.  
 
NEXT ADVISORY  
-------------  
NEXT COMPLETE ADVISORY AT 1100 AM AST.  
 

 
FORECASTER BERG  
 
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