 The National Weather Service in Des Moines has issued a severe thunderstorm warning for southwestern Pallasheek County in central Iowa, eastern Marion County in south central Iowa, Myoska County in south central Iowa, southeastern Jasper County in central Iowa, until 5.15 p.m. At 4.14 p.m., a severe thunderstorm was located over Pella, moving east at 30 miles per hour. Expected hazards include quarter-size hail,