Public Information Statement
Issued by NWS Aberdeen, SD

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000 NOUS43 KABR 151951 AAC PNSABR MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-160800- Public Information Statement...UPDATED National Weather Service Aberdeen SD 251 PM CDT Thu Jun 15 2017 /151 PM MDT Thu Jun 15 2017/ ...PUBLIC INFORMATION STATEMENT... ...NWS DAMAGE SURVEY FOR 06/13/17 TORNADO EVENT...UPDATE #1... UPDATE...includes findings from the second storm damage assessment team. Additional data my be added. .TORNADO #1... Rating: EF-0 Estimated peak wind: 70 mph Path length /Statute/: 0.1 miles Path width /Maximum/: 10 yards Fatalities: 0 Injuries: 0 Start date: June 13, 2017 Start time: 416 PM CDT Start location: 8.3 miles south of Rockham, SD End date: June 13, 2017 End time: 416 PM CDT End location: 8.3 miles south of Rockham, SD SURVEY_SUMMARY: Trained spotters reported a tornado briefly touching down in a open field. No damage was observed. .TORNADO #2... Rating: EF-1 Estimated peak wind: 100 mph Path length /Statute/: 0.2 miles Path width /Maximum/: 175 yards Fatalities: 0 Injuries: 0 Start date: June 13, 2017 Start time: 425 PM CDT Start location: 4.9 miles southwest of Zell, SD End date: June 13, 2017 End time: 428 PM CDT End location: 4.8 miles south-southwest of Zell, SD SURVEY_SUMMARY: Witnesses observed the tornado touching down near the farm and lifting after only a few minutes. Storm survey found numerous snapped and uprooted trees around the farm. Many of those trees fell on a house that had two occupants. A roof was torn off of a barn and a machine shed was partially destroyed with debris thrown across a neighboring field. .TORNADO #3... Rating: EF-0 Estimated peak wind: 70 mph Path length /Statute/: 0.1 miles Path width /Maximum/: 10 yards Fatalities: 0 Injuries: 0 Start date: June 13, 2017 Start time: 432 PM CDT Start location: 2 miles south-southwest of Zell, SD End date: June 13, 2017 End time: 432 PM CDT End location: 2 miles south-southwest of Zell, SD SURVEY_SUMMARY: Trained spotters reported a brief tornado. Scattered debris was noted in this area, but no damage was found. .TORNADO #4... Rating: EF-0 Estimated peak wind: 70 mph Path length /Statute/: 0.1 miles Path width /Maximum/: 10 yards Fatalities: 0 Injuries: 0 Start date: June 13, 2017 Start time: 605 PM CDT Start location: 4 miles south of Groton End date: June 13, 2017 End time: 605 PM CDT End location: 4 miles south of Groton SURVEY_SUMMARY: Trained spotters observed a tornado south of Groton. No damage was discovered or reported. .TORNADO #5... Rating: EF-0 Estimated peak wind: 85 mph Path length /Statute/: 0.2 miles Path width /Maximum/: 50 yards Fatalities: 0 Injuries: 0 Start date: June 13, 2017 Start time: 755 PM CDT Start location: 3 miles east south east of Eden, SD End date: June 13, 2017 End time: 755 PM CDT End location: 3 miles east south east of Eden, SD SURVEY_SUMMARY: A brief tornado touchdown caused the collapse of the entire roof of a barn. Debris was lofted roughly 500 feet to the northeast. Minor roof damage also occurred to a second out building along with minor tree damage and house siding damage. .TORNADO #6... Rating: EF-1 Estimated peak wind: 90 mph Path length /Statute/: 0.2 miles Path width /Maximum/: 100 yards Fatalities: 0 Injuries: 0 Start date: June 13, 2017 Start time: 820 PM CDT Start location: 2 miles west southwest of New Effington, SD End date: June 13, 2017 End time: 823 PM CDT End location: 2 miles west southwest of New Effington, SD SURVEY_SUMMARY: Residents witnessed a small, short lived tornado briefly touchdown on their property. Tree damage was extensive with many trees snapped at their trunks or uprooted. .TORNADO #7... Rating: EF-0 Estimated peak wind: 85 mph Path length /Statute/: 0.1 miles Path width /Maximum/: 90 yards Fatalities: 0 Injuries: 0 Start date: June 13, 2017 Start time: 825 PM CDT Start location: 2 miles north of New Effington, SD End date: June 13, 2017 End time: 825 PM CDT End location: 2 miles north of New Effington, SD SURVEY_SUMMARY: A brief tornado touchdown damaged a tree grove. Multiple trees were uprooted or snapped at the trunk. Large branches were downed and tossed in multiple directions. .TORNADO #8... Rating: EF-1 Estimated peak wind: 110 mph Path length /Statute/: 0.4 miles Path width /Maximum/: 170 yards Fatalities: 0 Injuries: 0 Start date: June 13, 2017 Start time: 827 PM CDT Start location: 4 miles north of Clinton, MN End date: June 13, 2017 End time: 830 PM CDT End location: 4.4 miles north northeast of Clinton, MN SURVEY_SUMMARY: Storm chasers and residents observed a brief tornado on the leading edge of a line of storms. The tornado moved over one farmstead damaging multiple structures. Over half of the tin roof was ripped from the house along with considerable damage to the siding of the house. One machine shed was completely destroyed. Another machine shed had damage to the southward facing walls and lost over half of the roof. A third machine shed had extensive damage to the westward facing walls and lost over half of the roof. An empty grain bin was completely removed from the cement base and an attached auger was toppled. Another grain bin was dented at the top. One power pole was snapped, with other poles downed due to the weight of the wires. Widespread tree damage including snapped trunks, uprooted trees, and large broken branches occurred on the property. A small area of corn crop was razed to the ground. Some debris was driven into the ground, while other debris was lofted roughly 2000 feet to the northeast. .TORNADO #9... Rating: EF-1 Estimated peak wind: 90 mph Path length /Statute/: 0.1 miles Path width /Maximum/: 50 yards Fatalities: 0 Injuries: 0 Start date: June 13, 2017 Start time: 830 PM CDT Start location: 2 miles northwest of Johnson, MN End date: June 13, 2017 End time: 833 PM CDT End location: 2 miles northwest of Johnson, MN SURVEY_SUMMARY: A resident watched the tornado touchdown in an open field before moving over their farmstead. Minor damage to a garage door and garage siding occurred along with multiple uprooted trees and snapped trunks. Tree limbs and branches were tossed in multiple directions. 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. $$

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