NOUS43 KARX 202047 PNSARX IAZ030-210900- Public Information Statement National Weather Service La Crosse WI 347 PM CDT Mon Apr 20 2026 ...NWS Damage Survey for the April 17 Tornado Event 12... .SE of Postville... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.69 miles Path Width /maximum/: 20 yards Fatalities: 0 Injuries: 0 Start Date: 04/17/2026 Start Time: 04:17 PM CDT Start Location: 2 SW Hardin / Clayton County / IA Start Lat/Lon: 43.0569 / -91.5319 End Date: 04/17/2026 End Time: 04:19 PM CDT End Location: 2 SW Hardin / Clayton County / IA End Lat/Lon: 43.0645 / -91.5231 Survey Summary: Chaser video showed brief tornado southeast of Postville. This tornado is not known to have encountered any damage indicators. Therefore, we are unable to assign the tornado a numerical rating at this time. && EF Scale: The Enhanced Fujita Scale classifies tornadoes into the following categories: EF0.....65 to 85 mph EF1.....86 to 110 mph EF2.....111 to 135 mph EF3.....136 to 165 mph EF4.....166 to 200 mph EF5.....>200 mph NOTE: The information in this statement is preliminary and subject to change pending final review of the event and publication in NWS Storm Data. $$ APF