Dense Fog — Laramie Valley, Wyoming

2015-04-20 · Laramie Valley, Wyoming

Event narrative

Very low visibility in dense fog and icy road surface contributed to a deadly, multi-vehicle pileup on Interstate 80 18 miles west of Laramie at mile marker 292 about 8 am. A 22,000 gallon tanker was on fire. Interstate 80 and nearby highways 30 and 287 were closed. WYDOT posted Speeds Advised at 45 MPH and Black Ice Advisory In Effect on their interstate signs. As many as 25 motorists were injured and two were killed in the pileup.

Wider weather episode

Dense fog formed across the Laramie valley during the early morning hours. The combination of the very low visibility and icy road surface contributed to a deadly multi-vehicle pileup on Interstate 80 about 18 miles west of Laramie. Multiple injuries and two fatalities were reported.

Source: NOAA Storm Events Database, event_id 571094. Narrative written by the NWS forecast office that issued the report.