visible satellite during active storm reports
Visible Satellite 22:57Z on 2017-06-12. Satellite images are derived from the Iowa Environmental Mesonet of Iowa State University.
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Tornado Reports

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Time Rating Radar State County Location Narrative
21:55Z EFU KCYS WY Goshen Rockeagle Emergency management, an off-duty NWS employee, and storm chasers observed a series of tornado touchdowns in rural western Goshen County. The tornado path was discontinuous with no damage from which the NWS could assign an EF-scale rating.
22:40Z EF0 KCYS WY Laramie Durham A brief tornado touchdown occurred 11 miles northeast of Cheyenne approximately 1.25 miles southeast of the intersection of Highway 85 and CR 222. This tornado moved north causing damage to irrigation center pivot, windows, roof, and outbuildings of one rural residence (DI 4, DOD 4). The tornado moved across US Highway 85 and lifted approximately 1.75 miles northeast of the intersection of Highway 85 and CR 222.
22:40Z EF1 KCYS CO Weld Hereford A tornado touched down southwest of Hereford and continued to quickly move north northeast into Wyoming. Areas of sporadic tornado damage were noted from 8 miles south southwest of Hereford to north of Hereford near the Colorado-Wyoming border. The damage along the patch ranged from EF-0 to EF-1.
22:49Z EF1 KCYS WY Converse Boxelder A brief tornado spin-up occurred along Cold Springs Road southwest of Douglas. An outbuilding was completely destroyed (DI 1, DOD 8).
22:57Z EF2 KCYS WY Laramie Carpenter The tornado crossed into southern Laramie County, Wyoming from Weld County, Colorado approximately 4 miles southeast of Carpenter. It continued moving towards the north-northwest crossing mostly open farmland, paralleling County Road 151 where it impacted 4 residences. The most significant damage observed by the NWS assessment team was to 2 residences along County Road 151, where a semi-attached garage was completely destroyed (DI 1, DOD 3) by EF-2 intensity winds. Damage also was observed to single family roof structure. Additionally, numerous power poles were snapped along with a ruptured power line.
23:05Z EF1 KCYS WY Laramie (82v)pine Bluffs Airport A short-lived tornado touched down just north of the Colorado state line to the southwest of Pine Bluffs along County Road 161. It was on the ground for approximately 4-7 minutes. A fifth-wheel horse trailer was lofted into the air for 50 yards sustaining significant damage. A small farm outbuilding was also destroyed (DI 1, DOD 7).
23:09Z EF2 KCYS WY Goshen Lingle Significant tornado damage was noted at a ranch 20 miles north-northeast of Torrington, WY, just west of the Union Pacific railway line. Significant damage consistent with EF-2 intensity winds was to the main ranch residence and surrounding barns (DI 1, DOD 8). Several three-quarter ton pickup trucks were vaulted several yards by tornadic winds, with several horse trailers rolled 50 to 100 yards and severely damaged. Several horses at this location were seriously injured with 3 horses killed. One person in the residence received minor head injuries. The tornado continued northeast, moving into Sioux County, NE at 1630 MST.
23:30Z EF2 KRIW WY Johnson Kaycee Gosney Arpt A storm survey was conducted near Kaycee and confirmed a tornado. The tornado touched down on a hill just west of Interstate 25 and just north of the Middle Fork of the Powder River. The tornado downed many trees moving down the hill. The tornado then strengthened as it crossed a field. An abandoned trailer was destroyed with the base thrown over 200 yards. Trees in the field were snapped off above the bases with some ground scouring noted. The tornado then crossed Barnum Road and moved northward toward Pine Ridge. The tornado narrowly missed a house and a barn as it moved up the ridge. Numerous trees were downed along both sides of the ridgeline before the funnel lifted. Winds were estimated at 110 to 120 mph, a minimal EF2 tornado.
23:30Z EF2 KCYS NE Sioux Agate A tornado crossed the WY/NE state line into Sioux County, NE at 1630 MST, and continued northeast before lifting west of Highway 29, 8 miles south-southwest of Harrison, NE at 1701 MST. Damage consistent with EF-2 intensity was noted by the survey team to the residence, as well as to surrounding trees and outbuildings (DI 2, DOD 6) 13 miles southwest of Harrison, NE. One resident at this location was treated and released at a local hospital with injuries incurred from flying debris in the home.
23:50Z EF0 KRIW WY Park (cod)yellowstone Apt The public reported a tornado that briefly touched down several times in the Oregon Basin southeast of Cody. The tornado remained over open country and caused no damage.
00:01Z EF1 KCYS NE Kimball Bushnell A brief tornado touched down along County Road 17 approximately 9 miles north of Bushnell, NE. A roof of an old barn was torn off and exterior walls collapsed (DI 1, DOD 6). An auger cart and auger were tipped. Power poles broke near the farm.
00:12Z EFU KCYS NE Banner Harrisburg Storm chasers captured video of a tornado briefly touching down in a remote section of southern Banner County. The tornado caused no damage from which the NWS could assign an EF-scale rating. Path was estimated by cross-referencing storm chaser reports and radar data.
00:14Z EF0 KRIW WY Big Horn Winchester A supercell thunderstorm dropped a weak rope tornado that moved slowly northward in southern Big Horn County and skipped along around a 3 mile path. The tornado remained over open country and caused no damage.
00:21Z EF0 KMKX WI Fond Du Lac Waucousta Storm survey revealed EF-0 damage with a peak wind around 80 mph. A couple uprooted trees and many snapped tree branches. Minor damage to the sliding door of a barn. A boat canopy was damaged. There were numerous eyewitnesses of a waterspout/tornado in the Kettle Moraine Lake area.
00:30Z EF1 KCYS NE Banner Harrisburg A short-lived tornado touched down east of Highway 71 southeast of Harrisburg, NE. A calving barn was moved about 10 yards from its original location. One horse was killed with several other horses injured. Several power poles were broken. A grain bin was pushed off its foundation, landing east into grove of trees. Pole barn rolled with only a few walls left standing (DI 1, DOD 7).
00:33Z EFU KUDX NE Dawes Wayside Storm chasers captured video of a tornado briefly touching down about 15 miles west-northwest of Chadron, NE in Dawes County. The location was estimated based on video and radar data. The tornado caused no damage from which the NWS could assign an EF-scale rating.
00:36Z EF0 KRIW WY Natrona Bar Nunn The Natrona County emergency manager reported a brief tornado touchdown to the west of Bar Nunn. The tornado remained over open country and did little damage.
01:13Z EF1 KCYS NE Morrill Bayard A brief tornado touched down on the east side of Bayard, NE producing damage consistent of EF-1 (DI 17, DOD 3) to the Chimney Rock Villa Nursing Home. The tornado lifted quickly as it moved east of Bayard. Many irrigation pivots overturned within 1-2 miles west of Bayard, as well as damage on the west side of town consistent with damaging straight-line winds.
01:19Z EF2 KCYS NE Morrill Bayard A long-track discontinuous tornado path was surveyed by the NWS damage team, initially touching down northwest of the Highway 26 and L62A intersection, 4 miles north-northwest of Bayard, NE. The tornado continued east along and north of L62A. Significant damage consistent of EF-2 tornadic damage was surveyed at a farmhouse approximately 6 miles northeast of Bayard. The house was severely damaged with the roof taken off and numerous exterior walls destroyed (DI 4, DOD 8). A detached garage was swept clean (DI 1, DOD 8) with several trucks slid from their original location. A flat bed and horse trailer were lofted 100 yards from their original position. Trees to the west of the residence were denuded. This storm produced additional damage some of which was due to straight-line winds along L62A. This damage included damage to a steel farm outbuilding, rolled mobile home, rolled semi tractor trailer, rolled center pivots, and continued tree denuding. The storm lifted northeast near Highway 385 with additional damage surveyed at Angora, including downed power poles and a train derailment. The discontinuous tornado continued northeast exiting Morrill County near Highway 385 by 1904 MST. This storm continued and produced additional damage in Box Butte County.
02:04Z EF0 KCYS NE Box Butte Letan A discontinuous tornado path continued northeast into Box Butte County from Morrill County. Additional roof damage was surveyed to a large building near the Alliance Airport (DI 1, DOD 3). This was the end of the discontinuous tornado path in Morrill and Box Butte Counties. Sixty-five train cars were blown over south of Alliance.
02:30Z EF1 KUDX NE Sheridan Antioch Witnesses describe a tornado touching down and destroying mainly cottonwood trees in wind breaks. The path was not continuous. The tornado lifted and then continued to the northeast, hitting a homestead, damaging old outbuildings and snapping or pushing over 30 wooden power poles. Same tornado / track as the other LSRs.
02:40Z EF1 KUDX NE Sheridan Antioch Witnesses describe a tornado touching down and destroying mainly cottonwood trees in wind breaks. The path was not continuous. The tornado lifted and then continued to the northeast, hitting a homestead, damaging old outbuildings and snapping or pushing over 30 wooden power poles. Final damage point from Antioch tornado.
03:10Z EF0 KUDX SD Bennett Allen A spotter watched a small tornado in a field for about five minutes before it became obscured by rain.
04:40Z EF1 KUDX NE Sheridan Antioch Witnesses describe a tornado touching down and destroying mainly cottonwood trees in wind breaks. The path was not continuous. The tornado lifted and then continued to the northeast, hitting a homestead, damaging old outbuildings and snapping or pushing over 30 wooden power poles.

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