000 WTNT31 KNHC 272032 TCPAT1 BULLETIN Subtropical Storm Oscar Advisory Number 4 NWS National Hurricane Center Miami FL AL162018 500 PM AST Sat Oct 27 2018 ...OSCAR EXPECTED TO BECOME A TROPICAL STORM TONIGHT... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...26.9N 50.7W ABOUT 925 MI...1485 KM ESE OF BERMUDA ABOUT 990 MI...1595 KM NE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 265 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 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 Subtropical Storm Oscar was located near latitude 26.9 North, longitude 50.7 West. The storm is moving toward the west near 17 mph (28 km/h). A turn toward the west-southwest is anticipated overnight, followed by a turn back toward the west on Sunday. Oscar is forecast to begin moving toward the north and then the northeast by early next week. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Some strengthening is forecast during the next 48 hours. Additional strengthening is expected, and Oscar could become a hurricane after transitioning to a tropical storm later this weekend or early next week. Winds of 40 mph extend outward up to 205 miles (335 km) from the center. The estimated minimum central pressure is 995 mb (29.39 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Zelinsky