EF2 tornado in Laramie County, Wyoming

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.

One of the most significant severe weather episodes to affect southeast Wyoming and the western Nebraska Panhandle occurred on the afternoon and early evening of Monday 12 June 2017. Eleven confirmed tornadoes, hail to grapefruit size, and damaging winds were observed. Supercell thunderstorms developed during the early afternoon along Interstate 25 between Fort Collins, CO and Wheatland. Lifting northeast, these thunderstorms spread into the southeast Wyoming plains late in the afternoon and into the western Nebraska Panhandle during the evening. Two people suffered injuries with an EF-2 rated tornado north of Torrington near the Wyoming/Nebraska stateline.