Dense Fog — Eastern Roosevelt, Montana

2022-11-11 · Eastern Roosevelt, Montana

Event narrative

At the Big Sky Field airport AWOS site (KS85), visibility of a quarter mile or less was recorded for about 1 3/4 hours on the morning of the 11th.

Wider weather episode

Cold Arctic air moved over the relatively warmer waters of Fort Peck Lake and generated widespread Dense Fog across the region.

Source: NOAA Storm Events Database, event_id 1059714. Narrative written by the NWS forecast office that issued the report.