617  
WTNT21 KNHC 191445  
TCMAT1  
 
POST-TROPICAL CYCLONE ARTHUR FORECAST/ADVISORY NUMBER 12  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL012020  
1500 UTC TUE MAY 19 2020  
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
POST-TROPICAL CYCLONE CENTER LOCATED NEAR 36.8N 68.6W AT 19/1500Z  
POSITION ACCURATE WITHIN 30 NM  
 
PRESENT MOVEMENT TOWARD THE EAST OR 100 DEGREES AT 13 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 991 MB  
MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT.  
50 KT....... 0NE 0SE 0SW 60NW.  
34 KT.......140NE 120SE 110SW 120NW.  
12 FT SEAS..210NE 180SE 150SW 180NW.  
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 36.8N 68.6W AT 19/1500Z  
AT 19/1200Z CENTER WAS LOCATED NEAR 36.9N 69.5W  
 
FORECAST VALID 20/0000Z 36.4N 66.9W...POST-TROP/EXTRATROP  
MAX WIND 50 KT...GUSTS 60 KT.  
50 KT... 0NE 0SE 0SW 60NW.  
34 KT...160NE 130SE 100SW 150NW.  
 
FORECAST VALID 20/1200Z 35.2N 65.6W...POST-TROP/EXTRATROP  
MAX WIND 45 KT...GUSTS 55 KT.  
34 KT...180NE 60SE 80SW 150NW.  
 
FORECAST VALID 21/0000Z 33.6N 65.0W...POST-TROP/EXTRATROP  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT...140NE 40SE 40SW 100NW.  
 
FORECAST VALID 21/1200Z 32.0N 64.5W...POST-TROP/EXTRATROP  
MAX WIND 30 KT...GUSTS 40 KT.  
 
FORECAST VALID 22/0000Z...DISSIPATED  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 36.8N 68.6W  
 
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 BLAKE  
 
 
 
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