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Hurricane Sam Public Advisory Number 41

2021-10-02 22:36:45| National Hurricane Center (Atlantic)

Issued at 500 PM AST Sat Oct 02 2021 000 WTNT33 KNHC 022036 TCPAT3 BULLETIN Hurricane Sam Advisory Number 41 NWS National Hurricane Center Miami FL AL182021 500 PM AST Sat Oct 02 2021 ...SAM GRADUALLY LOSING STRENGTH BUT GROWING IN SIZE... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...35.4N 58.2W ABOUT 435 MI...700 KM ENE OF BERMUDA ABOUT 825 MI...1325 KM SSW OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/H PRESENT MOVEMENT...NE OR 40 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...950 MB...28.06 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 35.4 North, longitude 58.2 West. Sam is moving toward the northeast near 17 mph (28 km/h). This general track with an increase in forward speed is expected by Monday for the next few days. On the forecast track, Sam will move well southeast of Newfoundland over the North Atlantic. Maximum sustained winds have decreased to near 125 mph (205 km/h) with higher gusts. Sam is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Further slow weakening is anticipated during the next few days, and Sam could transition into a powerful post-tropical cyclone on Tuesday. Sam is a large tropical cyclone. Hurricane-force winds extend outward up to 70 miles (110 km) from the center and tropical-storm-force winds extend outward up to 240 miles (390 km). The estimated minimum central pressure is 950 mb (28.06 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. SURF: Swells generated by Sam will impact the northern Leeward Islands, the Greater Antilles, the Bahamas, the eastern United States and Atlantic Canada for the next couple of days. 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 Blake

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Tropical Depression Victor Public Advisory Number 14

2021-10-02 22:36:15| National Hurricane Center (Atlantic)

Issued at 500 PM AST Sat Oct 02 2021 000 WTNT35 KNHC 022036 TCPAT5 BULLETIN Tropical Depression Victor Advisory Number 14 NWS National Hurricane Center Miami FL AL202021 500 PM AST Sat Oct 02 2021 ...VICTOR STILL HOLDING ON AS A TROPICAL CYCLONE... ...WEAKENS TO A TROPICAL DEPRESSION... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...13.7N 38.0W ABOUT 950 MI...1525 KM W OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 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 Tropical Depression Victor was located near latitude 13.7 North, longitude 38.0 West. The depression is moving toward the northwest near 14 mph (22 km/h), and this general motion is expected to continue over the next few days. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual weakening is forecast over the next couple of days, and Victor could become a remnant low during that time. The system is then forecast to dissipate by Tuesday. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Latto

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Hurricane Sam Public Advisory Number 40

2021-10-02 16:49:38| National Hurricane Center (Atlantic)

Issued at 1100 AM AST Sat Oct 02 2021 000 WTNT33 KNHC 021449 TCPAT3 BULLETIN Hurricane Sam Advisory Number 40 NWS National Hurricane Center Miami FL AL182021 1100 AM AST Sat Oct 02 2021 ...STEADFAST SAM MAINTAINING CATEGORY 4 WINDS... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...33.9N 59.3W ABOUT 335 MI...540 KM ENE OF BERMUDA ABOUT 940 MI...1515 KM SSW OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H PRESENT MOVEMENT...NE OR 35 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...945 MB...27.91 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 Hurricane Sam was located near latitude 33.9 North, longitude 59.3 West. Sam is moving toward the northeast near 17 mph (28 km/h). This general track with an increase in forward speed is expected for the next few days. On the forecast track, Sam will continue to move away from Bermuda. Maximum sustained winds remain near 130 mph (215 km/h) with higher gusts. Sam is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some slow weakening is forecast during the next 36 hours, followed by more significant weakening early next week. Sam could become a powerful post-tropical cyclone on Tuesday. Sam is becoming a large tropical cyclone. Hurricane-force winds extend outward up to 65 miles (100 km) from the center and tropical-storm-force winds extend outward up to 240 miles (390 km). The estimated minimum central pressure is 945 mb (27.91 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. SURF: Swells generated by Sam will impact the northern Leeward Islands, the Greater Antilles, the Bahamas, the eastern United States and Atlantic Canada for the next couple of days. 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 500 PM AST. $$ Forecaster Blake

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Tropical Storm Victor Public Advisory Number 13

2021-10-02 16:47:38| National Hurricane Center (Atlantic)

Issued at 1100 AM AST Sat Oct 02 2021 000 WTNT35 KNHC 021447 TCPAT5 BULLETIN Tropical Storm Victor Advisory Number 13 NWS National Hurricane Center Miami FL AL202021 1100 AM AST Sat Oct 02 2021 ...VICTOR BARELY HOLDING ON AS A TROPICAL CYCLONE... ...COULD BECOME A REMNANT LOW BY TONIGHT... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...13.1N 37.2W ABOUT 905 MI...1455 KM W OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 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 Tropical Storm Victor was located near latitude 13.1 North, longitude 37.2 West. Victor is moving toward the northwest near 12 mph (19 km/h), and this general motion is expected to continue over the next few days. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Gradual weakening is forecast over the next couple of days, and Victor could become a remnant low by tonight. The system is then forecast to dissipate by Tuesday. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Latto

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Hurricane Sam Public Advisory Number 39

2021-10-02 10:43:03| National Hurricane Center (Atlantic)

Issued at 500 AM AST Sat Oct 02 2021 158 WTNT33 KNHC 020842 TCPAT3 BULLETIN Hurricane Sam Advisory Number 39 NWS National Hurricane Center Miami FL AL182021 500 AM AST Sat Oct 02 2021 ...SAM NOW MOVING AWAY FROM BERMUDA... ...TROPICAL STORM WARNING DISCONTINUED FOR THE ISLAND... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...32.8N 60.5W ABOUT 255 MI...405 KM E OF BERMUDA ABOUT 1035 MI...1665 KM SSW OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H PRESENT MOVEMENT...NNE OR 20 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...945 MB...27.91 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Bermuda Weather Service has discontinued the Tropical Storm Warning for Bermuda. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the eye of Hurricane Sam was located near latitude 32.8 North, longitude 60.5 West. Sam is moving toward the north-northeast near 17 mph (28 km/h), and this motion is expected to continue today. A turn toward the northeast is expected by tonight, with an increase in forward speed forecast through Monday. On the forecast track, Sam will continue to move away from Bermuda. Maximum sustained winds have decreased to near 130 mph (215 km/h) with higher gusts. Sam is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Additional weakening is forecast during the next few days, but Sam is expected to remain a major hurricane through today or tonight. Sam is likely to become a hurricane-force post-tropical low by Monday night or early Tuesday. Hurricane-force winds extend outward up to 65 miles (100 km) from the center and tropical-storm-force winds extend outward up to 205 miles (335 km). Several automated stations on Bermuda have recently reported wind gusts near 40 mph (65 km/h). The estimated minimum central pressure is 945 mb (27.91 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: A few wind gusts to tropical storm force will still be possible on Bermuda this morning. SURF: Swells generated by Sam will impact the northern Leeward Islands, the Greater Antilles, the Bahamas, and Bermuda during the next couple of days. Swells are expected to reach the United States east coast and Atlantic Canada today. 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 Berg

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