BULLETIN – IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 625 PM CDT SUN APR 12 2015 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR… SOUTHEASTERN SIOUX COUNTY IN NORTHWESTERN IOWA… * UNTIL 715 PM CDT * AT 624 PM CDT…A SEVERE THUNDERSTORM WAS …

BULLETIN – IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 602 PM CDT SUN APR 12 2015 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR… SOUTHWESTERN SIOUX COUNTY IN NORTHWESTERN IOWA… NORTHEASTERN UNION COUNTY IN SOUTHEASTERN SOUTH DAKOTA… * UNTIL 630 PM CDT * …