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Hurricane Sam Public Advisory Number 48
2021-10-04 16:42:36| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Mon Oct 04 2021 000 WTNT33 KNHC 041442 TCPAT3 BULLETIN Hurricane Sam Advisory Number 48 NWS National Hurricane Center Miami FL AL182021 1100 AM AST Mon Oct 04 2021 ...SAM MOVING QUICKLY NORTHEASTWARD... ...FORECAST TO BECOME A POWERFUL POST-TROPICAL CYCLONE TONIGHT OR EARLY TUESDAY... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...42.6N 45.7W ABOUT 460 MI...740 KM SE OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H PRESENT MOVEMENT...NE OR 45 DEGREES AT 32 MPH...52 KM/H MINIMUM CENTRAL PRESSURE...960 MB...28.35 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 42.6 North, longitude 45.7 West. Sam is moving toward the northeast near 32 mph (52 km/h). A faster northeastward motion is expected through tonight. A slower east-northeastward motion is forecast to begin on Tuesday and continue through midweek. Maximum sustained winds are near 100 mph (155 km/h) with higher gusts. Gradual weakening is forecast during the next few days, and Sam is expected to transition into a powerful post-tropical cyclone over the north Atlantic tonight or early Tuesday. Hurricane-force winds extend outward up to 60 miles (95 km) from the center and tropical-storm-force winds extend outward up to 275 miles (445 km). The estimated minimum central pressure is 960 mb (28.35 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, portions of the Bahamas, and southeastern Newfoundland for the next day or so. 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. $$ Forecaster Brown
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Tropical Depression Victor Public Advisory Number 20
2021-10-04 10:46:56| National Hurricane Center (Atlantic)
Issued at 500 AM AST Mon Oct 04 2021 000 WTNT35 KNHC 040846 TCPAT5 BULLETIN Tropical Depression Victor Advisory Number 20 NWS National Hurricane Center Miami FL AL202021 500 AM AST Mon Oct 04 2021 ...VICTOR EXPECTED TO VANISH LATER TODAY... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...18.1N 43.6W ABOUT 1300 MI...2095 KM W OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Depression Victor was located near latitude 18.1 North, longitude 43.6 West. The depression is moving toward the west-northwest near 14 mph (22 km/h) and this general motion is expected to continued through today. Maximum sustained winds have decreased near 30 mph (45 km/h) with higher gusts. Further weakening is forecast, and Victor is expected to become a remnant low later today and dissipate by Tuesday. The estimated minimum central pressure is 1009 mb (29.80 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Stewart
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Hurricane Sam Public Advisory Number 47
2021-10-04 10:41:54| National Hurricane Center (Atlantic)
Issued at 500 AM AST Mon Oct 04 2021 000 WTNT33 KNHC 040841 TCPAT3 BULLETIN Hurricane Sam Advisory Number 47 NWS National Hurricane Center Miami FL AL182021 500 AM AST Mon Oct 04 2021 ...SAM NORTH OF THE GULF STREAM AND EXPECTED TO WEAKEN SOON... ...FORECAST TO BECOME POST-TROPICAL BY EARLY TUESDAY... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...40.8N 48.7W ABOUT 465 MI...745 KM SSE OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...NE OR 45 DEGREES AT 30 MPH...48 KM/H MINIMUM CENTRAL PRESSURE...957 MB...28.26 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Hurricane Sam was located near latitude 40.8 North, longitude 48.7 West. Sam is moving toward the northeast near 30 mph (48 km/h). A northeastward motion at a faster forward speed is expected over the next couple of days. The cyclone is forecast to slow down over the far north Atlantic southwest of Iceland around midweek. Maximum sustained winds remain near 105 mph (165 km/h) with higher gusts. Gradual weakening is forecast during the next few days, and Sam is expected to transition into a powerful post-tropical cyclone by early Tuesday. Sam is a large hurricane. Hurricane-force winds extend outward up to 70 miles (110 km) from the center and tropical-storm-force winds extend outward up to 255 miles (405 km). The estimated minimum central pressure is 957 mb (28.26 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 AM AST. $$ Forecaster Stewart
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advisory
Tropical Depression Victor Public Advisory Number 19
2021-10-04 04:34:16| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Sun Oct 03 2021 000 WTNT35 KNHC 040234 TCPAT5 BULLETIN Tropical Depression Victor Advisory Number 19 NWS National Hurricane Center Miami FL AL202021 1100 PM AST Sun Oct 03 2021 ...VICTOR NO VICTOR IN ITS BATTLE AGAINST DRY AIR AND SHEAR... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...17.8N 43.0W ABOUT 1260 MI...2030 KM W OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Tropical Depression Victor was located near latitude 17.8 North, longitude 43.0 West. The depression is moving toward the northwest near 15 mph (24 km/h). The system is forecast to move northwestward or west-northwestward at a slightly faster forward speed through Monday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Weakening is forecast. Victor is expected to become a remnant low on Monday and will likely dissipate shortly thereafter. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster D. Zelinsky
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Tropical Depression Victor Public Advisory Number 18
2021-10-03 22:38:41| National Hurricane Center (Atlantic)
Issued at 500 PM AST Sun Oct 03 2021 000 WTNT35 KNHC 032038 TCPAT5 BULLETIN Tropical Depression Victor Advisory Number 18 NWS National Hurricane Center Miami FL AL202021 500 PM AST Sun Oct 03 2021 ...POORLY ORGANIZED VICTOR EXPECTED TO BECOME A REMNANT LOW BY MONDAY... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...17.1N 41.3W ABOUT 1145 MI...1845 KM W OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NW OR 315 DEGREES AT 13 MPH...20 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 17.1 North, longitude 41.3 West. The depression is moving toward the northwest near 13 mph (20 km/h), and a northwestward or west-northwestward motion is expected over the next couple of days. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual weakening is expected during the next couple of days, and Victor is forecast to degenerate to a remnant low by Monday and dissipate soon thereafter. 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 Reinhart
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