Event narrative (NOAA)
Tornado developed about 3 miles north of Pella and moved southeast for its entire length. The tornado initially remained in rural areas just north and northeast of the town producing crop, tree and minor structural damage to houses. The tornado began to intensify just northeast of town and shifted a house off of its foundation. The tornado then encountered the Vermeer facility on the east side of town producing EF3 damage to one of the large buildings along with tossing numerous cars about the facility. 13 injuries occurred at the Vermeer facility with 6 requiring transport to the hospital. The tornado then turned slightly eastward before passing into Mahaska county.
Other notable tornado events in Iowa
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.