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SUBTROPICAL STORM ALPHA SPECIAL FORECAST/ADVISORY NUMBER   1
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL242020
1630 UTC FRI SEP 18 2020

THERE ARE NO COASTAL TROPICAL CYCLONE WATCHES OR WARNINGS IN EFFECT.
 
INTERESTS IN PORTUGAL SHOULD MONITOR THE PROGRESS OF ALPHA.
ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN PRODUCTS FROM
THE PORTUGUESE INSTITUTE FOR SEA AND ATMOSPHERE AT WWW.IPMA.PT.
 
SUBTROPICAL STORM CENTER LOCATED NEAR 39.9N   9.3W AT 18/1630Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTHEAST OR  35 DEGREES AT  15 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  999 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT....... 30NE  30SE  30SW   0NW.
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 39.9N   9.3W AT 18/1630Z
AT 18/1200Z CENTER WAS LOCATED NEAR 38.9N  10.3W
 
FORECAST VALID 19/0000Z 41.5N   7.5W...POST-TROP/INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 19/1200Z 44.2N   4.2W...POST-TROP/EXTRATROP
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 20/0000Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 39.9N   9.3W
 
NEXT ADVISORY AT 18/2100Z
 
$$
FORECASTER BLAKE
 
 
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