High Wind — North Big Horn Basin, Wyoming

2021-12-05 · North Big Horn Basin, Wyoming

Event narrative

High wind occurred behind a cold frontal passage. Some maximum wind gusts included 62 mph at the Willow Creek RAWS and 58 mph at the South Big Horn County airport in Greybull.

Wider weather episode

A cold front moving across Wyoming mixed strong mid-level winds to the surface and brought high wind to much of western and central Wyoming. The highest wind was at Clark where a maximum gust of 95 mph was reported. An 80 mph wind gust was reported at the Wind River RAWS site along the east slope of the Wind River Mountains. The strong wind led to the closure of South Pass over the southern end of the Wind River Mountains for a time due to blowing snow. Wind gusts exceeding 58 mph were also reported in Johnson, Natrona, Big Horn and Sweetwater counties.

Source: NOAA Storm Events Database, event_id 995182. Narrative written by the NWS forecast office that issued the report.