 The National Weather Service in Phoenix has issued a severe thunderstorm warning for Central La Paz County in West Central Arizona until 8 p.m. Mountain Standard Time. At 7.03 p.m. Mountain Standard Time, a severe thunderstorm was located near Brenda, or 36 miles southeast of Parker, moving northwest at 10 miles per hour. Hazard, 60 miles per hour wind gusts and penny-sized hail.