15L Upgraded to Tropical Storm Oscar10.4N 37.9W
On October 3, the NHC upgraded a low-pressure area to Tropical Depression Fifteen, then to a tropical storm 12 hours later.
As of 11 a.m. AST (1500 UTC) October 4, Tropical Storm Oscar is located about 1205 mi (1935 km) west-northwest of Cape Verde. Maximum sustained winds are 40 knots (45 mph, 75 km/h), with stronger gusts. Minimum central pressure is 1001 mbar (hPa; 29.56 InHg), and the system is moving north-northeast at 8 kt (9 mph, 15 km/h). Tropical storm force winds extend outward up to 150 miles (240 km) to the east of the center.