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| #989923 (Received by flhurricane at: 9:51 PM 19.Nov.2019) TCPAT5 BULLETIN Tropical Storm Sebastien Advisory Number 3 NWS National Hurricane Center Miami FL AL202019 1100 PM AST Tue Nov 19 2019 ...SEBASTIEN FORECAST TO STRENGTHEN ON WEDNESDAY... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...20.7N 60.6W ABOUT 235 MI...380 KM NE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 9 MPH...15 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 1100 PM AST (0300 UTC), the center of Tropical Storm Sebastien was located near latitude 20.7 North, longitude 60.6 West. Sebastien is moving toward the west-northwest near 9 mph (15 km/h). A gradual turn to the north is expected by late Wednesday followed by a turn to the northeast with an increase in forward speed on Thursday. Maximum sustained winds remain near 45 mph (75 km/h) with higher gusts. Some strengthening is forecast during the next 48 hours. Sebastien is expected to become an extratropical cyclone in a couple of days and become absorbed by a cold front on Friday. Tropical-storm-force winds extend outward up to 140 miles (220 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 500 AM AST. $$ Forecaster Blake |
