The links below will take you to local storm surveys storm assessments completed by the NWS Weather Forecast Office in Des Moines. Generally you'll find only moderate to strong tornadoes require storm surveys.
- Cass County, IA Intermittent Track Tornadoes of March 23, 2009
- Parkersburg, IA Service Assessment
- Attica Tornado, including tornadoes in the counties of Clarke, Dallas, Lucas, Mahaska, Marion, and Warren on May 30, 2008
- Parkersburg-New Hartford-Dunkerton Storm Survey for Tornadoes of May 25, 2008
- Stratford-Woodward Tornadoes of November 12, 2005