Dense Fog — Central and Southern Valley, Montana

2023-11-02 · Central and Southern Valley, Montana

Event narrative

At the Glasgow Airport ASOS site (KGGW) morning visibility of one quarter mile or less, was recorded at varies time during a 5 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 1140627. Narrative written by the NWS forecast office that issued the report.