Winter Storm — Star Valley, Wyoming

2020-01-01 to 2020-01-02 · Star Valley, Wyoming

Event narrative

Snowfall amounts through the Star Valley ranged from 6 inches at Afton to 13 inches at Alpine, Wyoming.

Wider weather episode

A moist Pacific trough moved into western Wyoming on New Years Day and brought heavy snow to many areas. Amounts over a foot were common in the mountains with close to 2 feet in the Tetons, including 21 inches of new snow at Jackson Hole, Wyoming. Heavy snow also fell in the valleys, with 13 inches of snow at Alpine, Wyoming and 6 to 12 inches around the Jackson Valley. Meanwhile, strong mid level winds were forced to the ground by favorable jet dynamics in the wind prone areas East of the Divide. Wind gusts over 70 mph were recorded near Clark, Wyoming with wind gusts of 66 mph spreading into the west side of Cody, Wyoming. Wind gusts of 75 mph were reported south of Casper, Wyoming in Natrona County as well with 60 mph winds at Jeffrey City, Wyoming. In and around Cody, Wyoming, damage was reported. This included damaged fences, a destroyed metal shed that landed on a car and a roof torn off of a trailer.

Source: NOAA Storm Events Database, event_id 868614. Narrative written by the NWS forecast office that issued the report.