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Tropical Storm Sebastien Public Advisory Number 13
2019-11-22 15:47:53| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Fri Nov 22 2019 000 WTNT35 KNHC 221447 TCPAT5 BULLETIN Tropical Storm Sebastien Advisory Number 13 NWS National Hurricane Center Miami FL AL202019 1100 AM AST Fri Nov 22 2019 ...POORLY ORGANIZED SEBASTIEN HEADING EAST-NORTHEAST OVER THE CENTRAL ATLANTIC... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...25.2N 55.3W ABOUT 695 MI...1120 KM NE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...ENE OR 75 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 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 Sebastien was located near latitude 25.2 North, longitude 55.3 West. Sebastien is moving toward the east-northeast near 15 mph (24 km/h). An east-northeastward or northeastward motion at a similar forward speed is expected through the weekend. Maximum sustained winds have decreased to near 50 mph (85 km/h) with higher gusts. Continued gradual weakening is anticipated and Sebastien is forecast to dissipate by early next week. Tropical-storm-force winds extend outward up to 160 miles (260 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Zelinsky
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Tropical Storm Sebastien Wind Speed Probabilities Number 13
2019-11-22 15:47:53| National Hurricane Center (Atlantic)
Issued at 1500 UTC FRI NOV 22 2019 000 FONT15 KNHC 221447 PWSAT5 TROPICAL STORM SEBASTIEN WIND SPEED PROBABILITIES NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL202019 1500 UTC FRI NOV 22 2019 AT 1500Z THE CENTER OF TROPICAL STORM SEBASTIEN WAS LOCATED NEAR LATITUDE 25.2 NORTH...LONGITUDE 55.3 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 45 KTS...50 MPH...85 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 12Z FRI AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 12Z FRI 00Z SAT 12Z SAT 00Z SUN 12Z SUN 12Z MON 12Z TUE PERIODS TO TO TO TO TO TO TO 00Z SAT 12Z SAT 00Z SUN 12Z SUN 12Z MON 12Z TUE 12Z WED FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER ZELINSKY
Tropical Storm Sebastien Graphics
2019-11-22 09:35:39| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Fri, 22 Nov 2019 08:35:39 GMT Wind Speed Probabilities last updated Fri, 22 Nov 2019 08:35:39 GMT
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Summary for Tropical Storm Sebastien (AT5/AL202019)
2019-11-22 09:34:20| National Hurricane Center (Atlantic)
...SEBASTIEN NO LONGER EXPECTED TO STRENGTHEN... As of 5:00 AM AST Fri Nov 22 the center of Sebastien was located near 24.8, -57.0 with movement ENE at 15 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 60 mph.
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Tropical Storm Sebastien Public Advisory Number 12
2019-11-22 09:34:20| National Hurricane Center (Atlantic)
Issued at 500 AM AST Fri Nov 22 2019 000 WTNT35 KNHC 220834 TCPAT5 BULLETIN Tropical Storm Sebastien Advisory Number 12 NWS National Hurricane Center Miami FL AL202019 500 AM AST Fri Nov 22 2019 ...SEBASTIEN NO LONGER EXPECTED TO STRENGTHEN... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...24.8N 57.0W ABOUT 600 MI...965 KM NE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...ENE OR 65 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...999 MB...29.50 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 Storm Sebastien was located near latitude 24.8 North, longitude 57.0 West. Sebastien is moving toward the east-northeast near 15 mph (24 km/h). An east-northeast to northeast motion is expected during the next few days. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Gradual weakening is expected, and Sebastien is forecast to become a post-tropical cyclone this weekend. Tropical-storm-force winds extend outward up to 160 miles (260 km) from the center. The estimated minimum central pressure is 999 mb (29.50 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Cangialosi
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