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Post-Tropical Cyclone Teresa Forecast Advisory Number 5

2021-09-25 22:40:37| National Hurricane Center (Atlantic)

Issued at 2100 UTC SAT SEP 25 2021 000 WTNT24 KNHC 252040 TCMAT4 POST-TROPICAL CYCLONE TERESA FORECAST/ADVISORY NUMBER 5 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192021 2100 UTC SAT SEP 25 2021 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. POST-TROPICAL CYCLONE CENTER LOCATED NEAR 34.4N 64.3W AT 25/2100Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE EAST OR 90 DEGREES AT 4 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1010 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 12 FT SEAS..240NE 0SE 0SW 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 34.4N 64.3W AT 25/2100Z AT 25/1800Z CENTER WAS LOCATED NEAR 34.3N 64.6W FORECAST VALID 26/0600Z 35.7N 63.2W...POST-TROP/REMNT LOW MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 26/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 34.4N 64.3W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON TERESA. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. $$ FORECASTER HAGEN/LATTO

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Hurricane Sam Public Advisory Number 13

2021-09-25 22:39:06| National Hurricane Center (Atlantic)

Issued at 500 PM AST Sat Sep 25 2021 000 WTNT33 KNHC 252038 TCPAT3 BULLETIN Hurricane Sam Advisory Number 13 NWS National Hurricane Center Miami FL AL182021 500 PM AST Sat Sep 25 2021 ...SAM RAPIDLY INTENSIFIES TO A CATEGORY FOUR HURRICANE... ...SOME ADDITIONAL STRENGTHENING EXPECTED THROUGH TONIGHT... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...13.3N 48.5W ABOUT 1025 MI...1655 KM ESE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...943 MB...27.85 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM AST (2100 UTC), the center of Hurricane Sam was located near latitude 13.3 North, longitude 48.5 West. Sam is moving toward the west-northwest near 10 mph (17 km/h). A slower motion to the west-northwest is expected over the weekend, followed by a turn to the northwest on Monday. Maximum sustained winds have increased to near near 140 mph (220 km/h) with higher gusts. Sam is now a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Additional strengthening is expected through tonight. Some fluctuations in the hurricane's intensity are then possible early next week. Sam remains a small hurricane. Hurricane-force winds extend outward up to 30 miles (45 km) from the center and tropical-storm-force winds extend outward up to 105 miles (165 km). The estimated minimum central pressure is 943 mb (27.85 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Sam are forecast to reach the Lesser Antilles early next week. These swells could cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Beven

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Hurricane Sam Forecast Advisory Number 13

2021-09-25 22:39:06| National Hurricane Center (Atlantic)

Issued at 2100 UTC SAT SEP 25 2021 000 WTNT23 KNHC 252038 TCMAT3 HURRICANE SAM FORECAST/ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021 2100 UTC SAT SEP 25 2021 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. HURRICANE CENTER LOCATED NEAR 13.3N 48.5W AT 25/2100Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 943 MB EYE DIAMETER 15 NM MAX SUSTAINED WINDS 120 KT WITH GUSTS TO 145 KT. 64 KT....... 25NE 20SE 15SW 20NW. 50 KT....... 40NE 30SE 20SW 30NW. 34 KT....... 70NE 90SE 40SW 60NW. 12 FT SEAS..120NE 90SE 120SW 120NW. 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 13.3N 48.5W AT 25/2100Z AT 25/1800Z CENTER WAS LOCATED NEAR 13.1N 48.1W FORECAST VALID 26/0600Z 13.7N 49.4W MAX WIND 130 KT...GUSTS 160 KT. 64 KT... 25NE 20SE 15SW 20NW. 50 KT... 40NE 30SE 20SW 30NW. 34 KT... 70NE 90SE 40SW 60NW. FORECAST VALID 26/1800Z 14.3N 50.5W MAX WIND 125 KT...GUSTS 150 KT. 64 KT... 25NE 20SE 15SW 20NW. 50 KT... 40NE 30SE 20SW 30NW. 34 KT... 80NE 90SE 50SW 70NW. FORECAST VALID 27/0600Z 14.9N 51.6W MAX WIND 120 KT...GUSTS 145 KT. 64 KT... 30NE 25SE 25SW 25NW. 50 KT... 50NE 40SE 30SW 40NW. 34 KT... 90NE 90SE 60SW 70NW. FORECAST VALID 27/1800Z 15.7N 52.7W MAX WIND 120 KT...GUSTS 145 KT. 64 KT... 30NE 25SE 25SW 25NW. 50 KT... 50NE 40SE 30SW 40NW. 34 KT... 90NE 90SE 60SW 80NW. FORECAST VALID 28/0600Z 16.6N 53.9W MAX WIND 115 KT...GUSTS 140 KT. 50 KT... 50NE 40SE 30SW 40NW. 34 KT... 90NE 90SE 60SW 80NW. FORECAST VALID 28/1800Z 17.4N 55.0W MAX WIND 115 KT...GUSTS 140 KT. 50 KT... 50NE 50SE 40SW 40NW. 34 KT...100NE 90SE 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 29/1800Z 19.5N 58.0W MAX WIND 110 KT...GUSTS 135 KT. OUTLOOK VALID 30/1800Z 22.5N 61.0W MAX WIND 110 KT...GUSTS 135 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.3N 48.5W NEXT ADVISORY AT 26/0300Z $$ FORECASTER BEVEN

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Subtropical Depression Teresa Public Advisory Number 4

2021-09-25 16:44:28| National Hurricane Center (Atlantic)

Issued at 1100 AM AST Sat Sep 25 2021 547 WTNT34 KNHC 251444 TCPAT4 BULLETIN Subtropical Depression Teresa Advisory Number 4 NWS National Hurricane Center Miami FL AL192021 1100 AM AST Sat Sep 25 2021 ...TERESA WEAKENS TO A SUBTROPICAL DEPRESSION... ...EXPECTED TO BECOME A REMNANT LOW BY TONIGHT... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...34.3N 65.0W ABOUT 140 MI...225 KM N OF BERMUDA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...STATIONARY MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the center of Subtropical Depression Teresa was located near latitude 34.3 North, longitude 65.0 West. Teresa is nearly stationary. A motion toward the northeast is expected to begin this afternoon and continue through Sunday morning. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Teresa is expected to become a remnant low by this evening and dissipate on Sunday. The estimated minimum central pressure is 1009 mb (29.80 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Hagen/Beven

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Subtropical Depression Teresa Forecast Advisory Number 4

2021-09-25 16:44:28| National Hurricane Center (Atlantic)

Issued at 1500 UTC SAT SEP 25 2021 546 WTNT24 KNHC 251444 TCMAT4 SUBTROPICAL DEPRESSION TERESA FORECAST/ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192021 1500 UTC SAT SEP 25 2021 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. SUBTROPICAL DEPRESSION CENTER LOCATED NEAR 34.3N 65.0W AT 25/1500Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT STATIONARY ESTIMATED MINIMUM CENTRAL PRESSURE 1009 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 12 FT SEAS..240NE 0SE 0SW 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 34.3N 65.0W AT 25/1500Z AT 25/1200Z CENTER WAS LOCATED NEAR 34.3N 65.2W FORECAST VALID 26/0000Z 35.4N 64.4W...POST-TROP/REMNT LOW MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 26/1200Z 37.2N 62.6W...POST-TROP/REMNT LOW MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 27/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 34.3N 65.0W NEXT ADVISORY AT 25/2100Z $$ FORECASTER HAGEN/BEVEN

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