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Visible Satellite 19:13Z on 2023-07-11. Satellite images are derived from the NOAA Open Data Dissemination Program.
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Tornado Reports

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Time Rating Radar State County Location Narrative
08:43Z EF1 KSHV AR Lafayette Stamps An EF-1 tornado with estimated maximum winds near 93 mph touched down just south of Stamps in Eastern Lafayette County along Highway 53 (McKamie Road) between Lakeside Cemetery and Lake June. There were a number of trees that were snapped and uprooted just east of Lake June near the parking lot, with a large tree snapped across the road at the cemetery. The tornado then tracked south along Highway 53 where additional tree damage occurred near Ferguson Hill Road and Hamilton Street, before strengthening from Fuller Drive south to County Road 84 where EF-1 damage was observed. The tornado continued to track south across County Road 85 and County Road 23 before lifting near Highway 53 just south of County Road 23.
10:14Z EF1 KOAX NE Colfax Howells A likely tornado embedded within a broader area of downburst winds appears to have impacted homes and trees on the west side of Howells, causing roof damage and shifting the walls of a garage. Beyond this area, it was difficult to discern any particular tornado damage from straight line wind damage, but there was additional damage to trees, fences, and a power substation on the south side of Howells as well.
10:20Z EF1 KOAX NE Cuming Bancroft A brief 1/2 mile long tornado which was embedded with an area of intense downburst winds started on the north side of Bancroft. The tornado dented in a grain bin, destroyed an outbuilding and snapped about a half dozen trees. The tornado continued east, damaged some sheds, knocked over a tractor trailer, and snapped more trees.
10:37Z EF0 KOAX NE Burt Tekamah Tornado debris signature was evident at this location. A swath of corn and soybeans approximately 30 to 50 feet wide were badly damaged or torn out of the ground. No nearby homes or barns were damaged.
11:05Z EF2 KOAX IA Harrison Hard Scratch A tornado developed near Overton Road and 286th Street in Harrison County Iowa. The tornado moved rapidly to the east where it made a direct impact on a home. At this location, the home roof was removed, windows broken, siding ruined, numerous trees snapped, a shed was demolished, and numerous items were thrown up to a half mile downstream. The convergent damage pattern at this location, eyewitness reports of wind direction, along with the 80-yard-wide path of more intense damage gives great confidence that this was a tornado. Winds at this location were estimated at 120 mph based on damage. The tornado moved quickly southeast, causing substantial tree damage with snapped trunks being common along the continued 50 to 100 yard wide track. The tornado moved through neighborhood of acreages along Quentin trail where it snapped many trees but moved in between the homes. The track then became more intermittent for a couple miles before it partially removed the roof of a home along 296th Street and caused additional narrow tree damage for the next two miles. The final damage point that was pretty clearly tornado damage was near 305th and Upton where 3 grain bins were crumpled and blown downstream and a machine shed sustained substantial damage. Beyond this point, the tree damage was sporadic and more evident of the larger scale wind field. Should also note that to the west of this tornado track, there was a debris signature evident on radar, but the damage was much more consistent with a focused downburst or series of downbursts that moved up from the Missouri Valley into the Loess Hills and may have helped to loft light leafy debris. This downburst likely led to the development of the eventual tornado.
11:17Z EF1 KOAX IA Shelby Portsmouth A tornado developed just north of 1150th street and east of Highway 191 where it destroyed two barns and damaged others. The tornado track continued east with evidence of convergent flow pattern within the debris field and the cornfield as it tracked to the east.
11:28Z EF1 KOAX IA Pottawattamie Hancock A tornado impacted a farm on Reflection Lane. There was significant tree damage, windows were blown out of the home, and a large barn had nearly all walls collapse and the roof was removed. There was damage to grain bins farther to the east, and trees were topped to the west along the Nishnabotna River.
11:32Z EF0 KOAX IA Pottawattamie Avoca There is a distinct tornado track through crop fields approximately 40 yards wide at the max. The track begins in a soybean field and then moves into the corn field where the narrow track and convergent flow pattern are most pronounced. It crosses a creek, breaks a few branches, and then through another corn field where there is convergent flow into the center of the track from the edges.
11:38Z EF0 KOAX IA Cass Marne Tornado was indicated by a Correlation Coefficient depression on radar and also verified through high resolution satellite imagery north of Marne. The tornado remained in mostly open cropland although some EF0 tree damage was done to a tree line along the edge of one of the fields.
11:39Z EF0 KOAX IA Cass Marne Damage from this tornado was relayed by the Cass County Emergency Manager and the path was also found in high resolution satellite imagery. Some minor damage to trees and outbuildings occurred at one farmstead east of Marne with the remainder of the path through open cropland.

Storm reports are derived from "The Storm Events Database" (National Centers for Environmental Information) and/or "Past Storm Reports" (Storm Prediction Center).