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Tropical Storm Sebastien Public Advisory Number 17
2019-11-23 15:52:43| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Sat Nov 23 2019 000 WTNT35 KNHC 231452 TCPAT5 BULLETIN Tropical Storm Sebastien Advisory Number 17 NWS National Hurricane Center Miami FL AL202019 1100 AM AST Sat Nov 23 2019 ...SEBASTIEN DISORGANIZED BUT APPEARS TO BE MAINTAINING STRENGTH... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...30.4N 47.7W ABOUT 1290 MI...2075 KM WSW OF THE AZORES MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NE OR 55 DEGREES AT 26 MPH...43 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 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 30.4 North, longitude 47.7 West. Sebastien is moving toward the northeast near 26 mph (43 km/h). A fast northeastward or east-northeastward motion is expected during the next day or two. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Little change in the maximum wind speed is expected during the next couple of days. Sebastien is forecast to become post-tropical by Monday and it could become a remnant trough of low pressure sooner than that. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. The estimated minimum central pressure is 997 mb (29.44 inches). HAZARDS AFFECTING LAND ---------------------- WIND AND RAIN: Regardless of its status, Sebastien or its remnants could bring gusty winds and rain to the Azores beginning Sunday. Please see products issued by the Portuguese Institute for the Sea and the Atmosphere (IPMA) for more information. SURF: Swells generated by Sebastien are expected to reach the Azores early next week. These swells are likely to cause life-threatening surf and rip current conditions. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Zelinsky
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