Freezing Fog in Niobrara County, Wyoming

Freezing Fog December 28, 2020 · Niobrara County, Wyoming

What the National Weather Service wrote

Wyoming Department of Transportation sensor along Wyoming Highway 260 at United States Highway 20 at Van Tassell observed sub-freezing temperatures and visibilities under a quarter mile.

The wider storm

Prolonged period of freezing fog across Converse, Goshen, Niobrara, and eastern Platte Counties on the morning of the 28th resulted in area crashes and closures along Interstate 25 particularly between Casper and Wheatland. Interstate was closed for several hours to clear the crash and treat the roadways resulting in a loss of commerce.

Source: NOAA Storm Events Database, event 927392. Narratives are written by the National Weather Service forecast office that issued the report.

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