ZCZC MIATCMAT4 ALL TTAA00 KNHC DDHHMM SUBTROPICAL STORM ALPHA FORECAST/ADVISORY NUMBER 2 NWS NATIONAL HURRICANE CENTER MIAMI FL AL242020 2100 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 40.4N 8.4W AT 18/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHEAST OR 40 DEGREES AT 15 KT ESTIMATED MINIMUM CENTRAL PRESSURE 998 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 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 40.4N 8.4W AT 18/2100Z AT 18/1800Z CENTER WAS LOCATED NEAR 39.9N 9.0W FORECAST VALID 19/0600Z 42.1N 6.1W...POST-TROP/INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 19/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.4N 8.4W NEXT ADVISORY AT 19/0300Z $$ FORECASTER BLAKE NNNN
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