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Subtropical Storm Alpha Forecast Advisory Number 1
2020-09-18 18:32:38| National Hurricane Center (Atlantic)
Issued at 1630 UTC FRI SEP 18 2020 000 WTNT24 KNHC 181632 TCMAT4 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 [ more ]
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