Winter Storm — East Sweetwater County, Wyoming

2022-12-12 to 2022-12-13 · East Sweetwater County, Wyoming

Event narrative

A trained spotter reported 13 inches of snow at Wamsutter. Interstate 80 was closed for many hours by a combination of strong wind an blowing snow.

Wider weather episode

A potent storm developed over Colorado and moved northeastward, spreading heavy snow across much of central Wyoming. The highest snowfall occurred at Midwest in northeastern Natrona County where 24 inches of snow was measured. Amounts greater than 10 inches were also reported in Johnson, Fremont, and Sweetwater Counties. A tight pressure gradient developed as well, with the strongest wind occurring in northern Johnson County. Wind gusts past 50 mph occurred for several days, resulting in the closure of Interstate 25 for a few days. Many major roads were shut down at the height of the storm.

Source: NOAA Storm Events Database, event_id 1070988. Narrative written by the NWS forecast office that issued the report.