375  
WTNT21 KNHC 211433  
TCMAT1  
 
POST-TROPICAL CYCLONE ARLENE FORECAST/ADVISORY NUMBER 9  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL012017  
1500 UTC FRI APR 21 2017  
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
POST-TROPICAL CYCLONE CENTER LOCATED NEAR 39.3N 49.9W AT 21/1500Z  
POSITION ACCURATE WITHIN 30 NM  
 
PRESENT MOVEMENT TOWARD THE SOUTHWEST OR 220 DEGREES AT 20 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 995 MB  
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.  
34 KT.......200NE 100SE 0SW 120NW.  
12 FT SEAS..300NE 220SE 100SW 170NW.  
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL  
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.  
 
REPEAT...CENTER LOCATED NEAR 39.3N 49.9W AT 21/1500Z  
AT 21/1200Z CENTER WAS LOCATED NEAR 39.9N 49.3W  
 
FORECAST VALID 22/0000Z 37.5N 51.5W...POST-TROP/EXTRATROP  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT...90NE 90SE 90SW 150NW.  
 
FORECAST VALID 22/1200Z...DISSIPATED  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 39.3N 49.9W  
 
THIS IS THE LAST FORECAST/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 AND WMO HEADER FZNT01 KWBC.  
 

 
FORECASTER AVILA  
 
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