Tornado Warning until 06:45PM 
The National Weather Service in Des Moines has issued a
* Tornado Warning for... Northwestern Polk County in central Iowa...
* Until 645 PM CDT.
* At 622 PM CDT, a severe thunderstorm capable of producing a tornado was located over Polk City, or near Johnston, moving east at 50 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely.
* Locations impacted include... Ankeny, Polk City, Saylorville Lake, Elkhart and Alleman. This includes Interstate 35 between mile markers 94 and 100.
* AFFECTED AREAS: POLK, IA
Instructions:
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
Address/Location
City of Mitchellville
204 Center Ave N
Mitchellville, IA 50169
Contact
Emergency: 9-1-1
Non-emergencies: 515-967-2935