376  
WTNT31 KNHC 211433  
TCPAT1  
 
BULLETIN  
POST-TROPICAL CYCLONE ARLENE ADVISORY NUMBER 9  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL012017  
1100 AM AST FRI APR 21 2017  
   
..ARLENE MERGES WITH A LARGE EXTRATROPICAL CYCLONE
 
   
..THIS IS THE LAST ADVISORY
 
 
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION  
-----------------------------------------------  
LOCATION...39.3N 49.9W  
ABOUT 1235 MI...1985 KM W OF THE AZORES  
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H  
PRESENT MOVEMENT...SW OR 220 DEGREES AT 23 MPH...37 KM/H  
MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES  
 
WATCHES AND WARNINGS  
--------------------  
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
DISCUSSION AND 48-HOUR OUTLOOK  
------------------------------  
AT 1100 AM AST (1500 UTC), THE CENTER OF POST-TROPICAL CYCLONE  
ARLENE WAS LOCATED NEAR LATITUDE 39.3 NORTH, LONGITUDE 49.9 WEST.  
THE POST-TROPICAL CYCLONE IS MOVING TOWARD THE SOUTHWEST NEAR 23 MPH  
(37 KM/H), AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE UNTIL  
DISSIPATION.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH (85 KM/H) WITH HIGHER GUSTS.  
THE POST-TROPICAL CYCLONE IS FORECAST TO DISSIPATE LATER  
TODAY.  
 
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 230 MILES (370 KM)  
FROM THE CENTER.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 995 MB (29.39 INCHES).  
 
HAZARDS AFFECTING LAND  
----------------------  
NONE.  
 
NEXT ADVISORY  
-------------  
THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE  
CENTER ON THIS SYSTEM. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE  
FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE,  
UNDER AWIPS HEADER NFDHSFAT1, WMO HEADER FZNT01 KWBC, AND AVAILABLE  
ON THE WEB AT HTTP://WWW.OPC.NCEP.NOAA.GOV/SHTML/NFDHSFAT1.SHTML.  
 

 
FORECASTER AVILA  
 
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