 The National Weather Service in Norman has issued a severe thunderstorm warning for northwestern Comanche County in southwestern Oklahoma, southwestern Caddo County in southwestern Oklahoma, until 7.15 p.m. Central Daylight Time. At 6.49 p.m. Central Daylight Time, a severe thunderstorm was located near Mears, moving south at 20 miles an hour. Expected hazards include 60 miles an hour wind gusts and nickel-sized hail.