Dense Fog — Richland, Montana

2023-11-02 · Richland, Montana

Event narrative

At the Sidney Airport ASOS site (KSDY) morning visibility of one quarter mile or less,

was recorded at varies time during a 6 hour stretch.

Wider weather episode

Moisture from snow melt and recent precipitation caused dense morning fog to form.

River valleys had the highest concentrations of fog.

Source: NOAA Storm Events Database, event_id 1140631. Narrative written by the NWS forecast office that issued the report.