Severe Thunderstorm Warning until 05:15PM 
SVRFSD The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for... Lyon County in northwestern Iowa... North central Sioux County in northwestern Iowa...
* Until 515 PM CDT.
* At 449 PM CDT, a severe thunderstorm was located over Alvord, or 9 miles southwest of Rock Rapids, moving east at 35 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near... Rock Rapids and Doon around 455 PM CDT.
* AFFECTED AREAS: LYON, IA ... SIOUX, IA
Instructions:
For your protection move to an interior room on the lowest floor of a building.
Address/Location
Sioux County Sheriff's Office
4363 Ironwood Ave., Ste 1
Orange City, IA 51250
Contact
Emergency: 9-1-1
Non-emergencies: 712-737-3307