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Hurricane Sam Public Advisory Number 32

2021-09-30 16:55:07| National Hurricane Center (Atlantic)

Issued at 1100 AM AST Thu Sep 30 2021 000 WTNT33 KNHC 301454 TCPAT3 BULLETIN Hurricane Sam Advisory Number 32 NWS National Hurricane Center Miami FL AL182021 1100 AM AST Thu Sep 30 2021 ...SAM EXPECTED TO CAUSE LARGE SWELLS AND HIGH SURF OVER A LARGE PORTION OF THE WESTERN ATLANTIC SHORELINE... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...22.6N 60.0W ABOUT 365 MI...585 KM NNE OF THE NORTHERN LEEWARD ISLANDS ABOUT 730 MI...1175 KM SSE OF BERMUDA MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...937 MB...27.67 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Bermuda A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the center of Hurricane Sam was located near latitude 22.6 North, longitude 60.0 West. Sam is moving toward the northwest near 13 mph (20 km/h), and a turn toward the north-northwest with an increase in forward speed is expected tonight. A turn toward the north is anticipated by late Friday, and a northeastward motion is forecast to begin on Saturday. On the forecast track, the core of Sam will pass to the east of Bermuda early Saturday. Maximum sustained winds are near 145 mph (230 km/h) with higher gusts. Sam is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some fluctuations in intensity are expected during the next couple of days, but Sam is forecast to remain a major hurricane through Saturday, with more significant weakening anticipated later in the weekend. Hurricane-force winds extend outward up to 60 miles (95 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km). The estimated minimum central pressure is 937 mb (27.67 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sam can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC, and on the web at hurricanes.gov/graphics_at3.shtml?key_messages. WIND: Tropical storm conditions are possible on Bermuda beginning Friday night or early Saturday. SURF: Swells generated by Sam will impact the northern Leeward Islands and the Greater Antilles, including Puerto Rico, during the next few days. Swells are expected to reach Bermuda and the Bahamas by Friday, and then spread to the United States east coast by this weekend. These swells could cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 200 PM AST. Next complete advisory at 500 PM AST. $$ Forecaster Pasch

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Tropical Storm Victor Public Advisory Number 5

2021-09-30 16:52:05| National Hurricane Center (Atlantic)

Issued at 200 PM CVT Thu Sep 30 2021 000 WTNT35 KNHC 301451 TCPAT5 BULLETIN Tropical Storm Victor Advisory Number 5 NWS National Hurricane Center Miami FL AL202021 200 PM CVT Thu Sep 30 2021 ...VICTOR FORECAST TO STRENGTHEN OVER THE EASTERN TROPICAL ATLANTIC... SUMMARY OF 200 PM CVT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...9.5N 28.9W ABOUT 555 MI...895 KM SW OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 200 PM CVT (1500 UTC), the center of Tropical Storm Victor was located near latitude 9.5 North, longitude 28.9 West. Victor is moving toward the west-northwest near 14 mph (22 km/h). A west-northwest to northwest motion over the eastern tropical Atlantic is expected through the weekend. Maximum sustained winds remain near 45 mph (75 km/h) with higher gusts. Gradual strengthening is forecast, and Victor could be near hurricane strength on Friday. A weakening trend is expected to begin over the weekend. Tropical-storm-force winds extend outward up to 105 miles (165 km) north of the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 800 PM CVT. $$ Forecaster Cangialosi

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Hurricane Sam Public Advisory Number 31A

2021-09-30 13:45:02| National Hurricane Center (Atlantic)

Issued at 800 AM AST Thu Sep 30 2021 000 WTNT33 KNHC 301144 TCPAT3 BULLETIN Hurricane Sam Intermediate Advisory Number 31A NWS National Hurricane Center Miami FL AL182021 800 AM AST Thu Sep 30 2021 ...INTENSE HURRICANE SAM CONTINUES NORTHWESTWARD... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...22.1N 59.5W ABOUT 355 MI...575 KM NE OF THE NORTHERN LEEWARD ISLANDS ABOUT 775 MI...1250 KM SE OF BERMUDA MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...937 MB...27.67 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Bermuda A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 AM AST (1200 UTC), the eye of Hurricane Sam was located near latitude 22.1 North, longitude 59.5 West. Sam is moving toward the northwest near 12 mph (19 km/h), and this general motion with an increase in forward speed is expected through tonight. A turn toward the north is anticipated by late Friday, and a northeastward motion is forecast to begin on Saturday. On the forecast track, the core of Sam will continue to pass well to the northeast of the northern Leeward Islands this morning, and pass to the east of Bermuda early Saturday. Maximum sustained winds are near 145 mph (230 km/h) with higher gusts. Sam is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some fluctuations in intensity are expected during the next couple of days, but Sam is forecast to remain a major hurricane through Saturday, with more significant weakening anticipated later in the weekend. Hurricane-force winds extend outward up to 60 miles (95 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km). The estimated minimum central pressure is 937 mb (27.67 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sam can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC, and on the web at hurricanes.gov/graphics_at3.shtml?key_messages. WIND: Tropical storm conditions are possible on Bermuda beginning Friday night or early Saturday. SURF: Swells generated by Sam will impact the northern Leeward Islands and the Greater Antilles, including Puerto Rico, during the next few days. Swells are expected to reach Bermuda and the Bahamas by Friday, and then spread to the United States east coast by this weekend. 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 AM AST. $$ Forecaster Pasch

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Hurricane Sam Public Advisory Number 31

2021-09-30 10:53:56| National Hurricane Center (Atlantic)

Issued at 500 AM AST Thu Sep 30 2021 000 WTNT33 KNHC 300853 TCPAT3 BULLETIN Hurricane Sam Advisory Number 31 NWS National Hurricane Center Miami FL AL182021 500 AM AST Thu Sep 30 2021 ...POWERFUL HURRICANE SAM CONTINUES NORTHWESTWARD... ...TROPICAL STORM WATCH ISSUED FOR BERMUDA... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...21.5N 59.1W ABOUT 345 MI...555 KM NE OF THE NORTHERN LEEWARD ISLANDS ABOUT 825 MI...1325 KM SSE OF BERMUDA MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...937 MB...27.67 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Bermuda Weather Service has issued a Tropical Storm Watch for Bermuda. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Bermuda A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the eye of Hurricane Sam was located near latitude 21.5 North, longitude 59.1 West. Sam is moving toward the northwest near 12 mph (19 km/h), and this general motion with an increase in forward speed is expected through tonight. A turn toward the north is anticipated by late Friday, and a northeastward motion is forecast to begin on Saturday. On the forecast track, the core of Sam will continue to pass well to the northeast of the northern Leeward Islands this morning, and pass to the east of Bermuda early Saturday. Data from an Air Force Reserve Hurricane Hunter aircraft indicate that the maximum sustained winds are near 145 mph (230 km/h) with higher gusts. Sam is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some fluctuations in intensity are expected during the next couple of days, but Sam is forecast to remain a major hurricane through Saturday, with more significant weakening anticipated later in the weekend. Hurricane-force winds extend outward up to 60 miles (95 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km). NOAA buoy 41044 has recently measured a peak one-minute sustained wind of 78 mph (126 km/h) and a gust to 98 mph (158 km/h). The latest minimum central pressure estimated from Air Force Reserve reconnaissance data is 937 mb (27.67 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sam can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC, and on the web at hurricanes.gov/graphics_at3.shtml?key_messages. WIND: Tropical storm conditions are possible on Bermuda beginning Friday night or early Saturday. SURF: Swells generated by Sam will impact the Northern Leeward Islands and the Greater Antilles, including Puerto Rico, during the next few days. Swells are expected to reach Bermuda and the Bahamas by Friday, and then spread to the United States east coast by this weekend. These swells could cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM AST. Next complete advisory at 1100 AM AST. $$ Forecaster Brown

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Tropical Storm Victor Public Advisory Number 4

2021-09-30 10:42:37| National Hurricane Center (Atlantic)

Issued at 800 AM CVT Thu Sep 30 2021 000 WTNT35 KNHC 300842 TCPAT5 BULLETIN Tropical Storm Victor Advisory Number 4 NWS National Hurricane Center Miami FL AL202021 800 AM CVT Thu Sep 30 2021 ...VICTOR A LITTLE STRONGER... SUMMARY OF 800 AM CVT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...8.7N 27.3W ABOUT 550 MI...885 KM SSW OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 800 AM CVT (0900 UTC), the center of Tropical Storm Victor was located near latitude 8.7 North, longitude 27.3 West. Victor is moving toward the west-northwest near 13 mph (20 km/h). A west-northwest to northwest motion over the eastern tropical Atlantic is expected through the weekend. Maximum sustained winds have increased to near 45 mph (75 km/h) with higher gusts. Additional strengthening is forecast, and Victor could become a hurricane on Friday. A weakening trend is expected to begin over the weekend. Tropical-storm-force winds extend outward up to 60 miles (95 km) from the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 200 PM CVT. $$ Forecaster Berg

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