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Hurricane Sam Forecast Advisory Number 9

2021-09-24 22:51:45| National Hurricane Center (Atlantic)

Issued at 2100 UTC FRI SEP 24 2021 000 WTNT23 KNHC 242051 TCMAT3 HURRICANE SAM FORECAST/ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021 2100 UTC FRI SEP 24 2021 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. HURRICANE CENTER LOCATED NEAR 12.1N 44.8W AT 24/2100Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 986 MB MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT. 64 KT....... 15NE 0SE 0SW 10NW. 50 KT....... 30NE 20SE 15SW 20NW. 34 KT....... 50NE 40SE 30SW 50NW. 12 FT SEAS.. 90NE 60SE 60SW 90NW. 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 12.1N 44.8W AT 24/2100Z AT 24/1800Z CENTER WAS LOCATED NEAR 11.9N 44.3W FORECAST VALID 25/0600Z 12.3N 46.5W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 20NE 15SE 10SW 15NW. 50 KT... 30NE 30SE 20SW 30NW. 34 KT... 70NE 50SE 40SW 60NW. FORECAST VALID 25/1800Z 12.7N 48.1W MAX WIND 105 KT...GUSTS 130 KT. 64 KT... 25NE 15SE 10SW 20NW. 50 KT... 40NE 30SE 20SW 30NW. 34 KT... 70NE 60SE 40SW 60NW. FORECAST VALID 26/0600Z 13.1N 49.3W MAX WIND 115 KT...GUSTS 140 KT. 64 KT... 25NE 15SE 10SW 20NW. 50 KT... 40NE 30SE 20SW 40NW. 34 KT... 90NE 70SE 50SW 70NW. FORECAST VALID 26/1800Z 13.5N 50.5W MAX WIND 120 KT...GUSTS 145 KT. 64 KT... 30NE 25SE 20SW 25NW. 50 KT... 50NE 40SE 30SW 40NW. 34 KT... 90NE 80SE 60SW 80NW. FORECAST VALID 27/0600Z 14.3N 51.7W MAX WIND 115 KT...GUSTS 140 KT. 50 KT... 50NE 40SE 30SW 50NW. 34 KT...100NE 80SE 60SW 80NW. FORECAST VALID 27/1800Z 15.1N 52.9W MAX WIND 115 KT...GUSTS 140 KT. 50 KT... 50NE 40SE 30SW 40NW. 34 KT...110NE 100SE 70SW 90NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 28/1800Z 16.9N 55.1W MAX WIND 110 KT...GUSTS 135 KT. OUTLOOK VALID 29/1800Z 18.9N 58.1W MAX WIND 110 KT...GUSTS 135 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 12.1N 44.8W NEXT ADVISORY AT 25/0300Z $$ FORECASTER PAPIN

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