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Displaying AFOS PIL: PNSFSD Product Timestamp: 2018-09-24 18:34 UTC
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702 NOUS43 KFSD 241834 PNSFSD IAZ003-250645- Public Information Statement National Weather Service Sioux Falls SD 134 PM CDT Mon Sep 24 2018 ...NWS DAMAGE SURVEY FOR SUPERIOR IOWA TORNADO - UPDATE 2... .TORNADO NUMBER 1 NEAR SUPERIOR IOWA... Rating: EF-1 Estimated peak wind: 99 mph Path length: Estimated at 3.9 miles Path width: 25 yards Fatalities: 0 Injuries: 0 Start date: September 20, 2018 Start time: 5:21 PM CDT Start location: West of Superior, Iowa End date: September 20, 2018 End time: 5:26 PM CDT End location: East of Superior, Iowa Survey Summary: Observational equipment near Superior Ethanol directly measured 99 mph as tornado moved through. Assistance was provided by the Dickinson County Emergency Management office through ground level and aerial photos. The tornado path has been updated to include additional crop damage west and east of Superior that was visible on high resolution satellite imagery. EF Scale: The Enhanced Fujita Scale Classifies Tornadoes into the following categories. EF0...Weak......65 to 85 mph EF1...Weak......86 to 110 mph EF2...Strong....111 to 135 mph EF3...Strong....136 to 165 mph EF4...Violent...166 To 200 mph EF5...Violent...>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. $$ Rogers