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Hurricane Sam Forecast Advisory Number 44

2021-10-03 16:46:04| National Hurricane Center (Atlantic)

Issued at 1500 UTC SUN OCT 03 2021 000 WTNT23 KNHC 031445 TCMAT3 HURRICANE SAM FORECAST/ADVISORY NUMBER 44 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021 1500 UTC SUN OCT 03 2021 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. HURRICANE CENTER LOCATED NEAR 37.7N 54.6W AT 03/1500Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHEAST OR 50 DEGREES AT 14 KT ESTIMATED MINIMUM CENTRAL PRESSURE 964 MB MAX SUSTAINED WINDS 85 KT WITH GUSTS TO 105 KT. 64 KT....... 40NE 40SE 20SW 20NW. 50 KT....... 80NE 80SE 60SW 80NW. 34 KT.......180NE 210SE 180SW 190NW. 12 FT SEAS..280NE 330SE 360SW 320NW. 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 37.7N 54.6W AT 03/1500Z AT 03/1200Z CENTER WAS LOCATED NEAR 37.3N 55.4W FORECAST VALID 04/0000Z 39.3N 51.9W MAX WIND 80 KT...GUSTS 100 KT. 64 KT... 40NE 40SE 30SW 30NW. 50 KT... 80NE 80SE 60SW 70NW. 34 KT...180NE 210SE 180SW 190NW. FORECAST VALID 04/1200Z 42.4N 47.0W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 50NE 60SE 40SW 30NW. 50 KT... 90NE 100SE 90SW 60NW. 34 KT...200NE 210SE 210SW 200NW. FORECAST VALID 05/0000Z 47.0N 41.7W...POST-TROP/EXTRATROP MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 50NE 60SE 0SW 0NW. 50 KT... 90NE 110SE 90SW 60NW. 34 KT...210NE 270SE 270SW 240NW. FORECAST VALID 05/1200Z 50.9N 39.8W...POST-TROP/EXTRATROP MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 0NE 60SE 0SW 0NW. 50 KT... 90NE 110SE 60SW 60NW. 34 KT...270NE 360SE 420SW 300NW. FORECAST VALID 06/0000Z 50.9N 38.5W...POST-TROP/EXTRATROP MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 60NE 110SE 60SW 60NW. 34 KT...300NE 360SE 400SW 320NW. FORECAST VALID 06/1200Z 51.5N 33.5W...POST-TROP/EXTRATROP MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 0NE 90SE 0SW 0NW. 34 KT...300NE 360SE 330SW 240NW. 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 07/1200Z 59.2N 27.5W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. OUTLOOK VALID 08/1200Z 60.5N 31.0W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 37.7N 54.6W NEXT ADVISORY AT 03/2100Z $$ FORECASTER BROWN

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Hurricane Sam Graphics

2021-10-03 10:47:48| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Sun, 03 Oct 2021 08:47:48 GMT Wind Speed Probabilities last updated Sun, 03 Oct 2021 09:22:51 GMT

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Summary for Hurricane Sam (AT3/AL182021)

2021-10-03 10:44:26| National Hurricane Center (Atlantic)

...SAM CONTINUES TO WEAKEN AS IT MOVES NORTHEASTWARD OVER THE OPEN NORTH ATLANTIC... ...EXPECTED TO BECOME A LARGE AND POWERFUL POST-TROPICAL LOW PRESSURE SYSTEM ON MONDAY... As of 5:00 AM AST Sun Oct 3 the center of Sam was located near 37.3, -55.9 with movement NE at 17 mph. The minimum central pressure was 960 mb with maximum sustained winds of about 105 mph.

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Hurricane Sam Graphics

2021-10-03 04:41:22| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Sun, 03 Oct 2021 02:41:22 GMT Wind Speed Probabilities last updated Sun, 03 Oct 2021 02:41:22 GMT

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Summary for Hurricane Sam (AT3/AL182021)

2021-10-03 04:37:48| National Hurricane Center (Atlantic)

...SAM GRADUALLY WEAKENING AS IT MOVES NORTHEASTWARD OVER THE OPEN ATLANTIC... As of 11:00 PM AST Sat Oct 2 the center of Sam was located near 36.4, -57.1 with movement NE at 16 mph. The minimum central pressure was 955 mb with maximum sustained winds of about 115 mph.

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