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Hurricane Sam Forecast Advisory Number 47
2021-10-04 10:41:54| National Hurricane Center (Atlantic)
Issued at 0900 UTC MON OCT 04 2021 000 WTNT23 KNHC 040841 TCMAT3 HURRICANE SAM FORECAST/ADVISORY NUMBER 47 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021 0900 UTC MON OCT 04 2021 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. HURRICANE CENTER LOCATED NEAR 40.8N 48.7W AT 04/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHEAST OR 45 DEGREES AT 26 KT ESTIMATED MINIMUM CENTRAL PRESSURE 957 MB EYE DIAMETER 20 NM MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT. 64 KT....... 0NE 60SE 50SW 0NW. 50 KT....... 90NE 90SE 100SW 70NW. 34 KT.......220NE 220SE 220SW 210NW. 12 FT SEAS..350NE 360SE 450SW 330NW. 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 40.8N 48.7W AT 04/0900Z AT 04/0600Z CENTER WAS LOCATED NEAR 39.9N 49.9W FORECAST VALID 04/1800Z 43.7N 45.0W MAX WIND 80 KT...GUSTS 100 KT. 64 KT... 40NE 50SE 40SW 0NW. 50 KT... 90NE 110SE 100SW 80NW. 34 KT...220NE 230SE 270SW 220NW. FORECAST VALID 05/0600Z 47.8N 41.5W...POST-TROP/EXTRATROP MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 40NE 40SE 40SW 0NW. 50 KT... 90NE 120SE 100SW 50NW. 34 KT...240NE 280SE 310SW 230NW. FORECAST VALID 05/1800Z 50.1N 39.3W...POST-TROP/EXTRATROP MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 40NE 40SE 40SW 0NW. 50 KT... 80NE 140SE 90SW 80NW. 34 KT...280NE 350SE 400SW 290NW. FORECAST VALID 06/0600Z 51.0N 35.8W...POST-TROP/EXTRATROP MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 60NE 110SE 70SW 50NW. 34 KT...290NE 350SE 380SW 330NW. FORECAST VALID 06/1800Z 52.8N 31.2W...POST-TROP/EXTRATROP MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 60NE 50SE 40SW 60NW. 34 KT...210NE 290SE 310SW 180NW. FORECAST VALID 07/0600Z 56.0N 28.0W...POST-TROP/EXTRATROP MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 60NE 60SE 0SW 0NW. 34 KT...220NE 260SE 200SW 220NW. 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 08/0600Z 60.6N 29.3W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. OUTLOOK VALID 09/0600Z 61.5N 30.0W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.8N 48.7W NEXT ADVISORY AT 04/1500Z $$ FORECASTER STEWART
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