Dense Fog — Merced-madera-mendota, California

2024-12-29 · Merced-madera-mendota, California

Event narrative

Visibility below a quarter mile was reported in Madera. Webcams indicated visibility below 1000 feet in Chowchilla and Madera.

Wider weather episode

With low level moisture present from recent rains and mainly clear skies and light winds prevailing, areas of dense fog formed in the San Joaquin Valley during the early morning of December 29. The fog coverage was nowhere near as prevalent as it was during the previous morning, but travel along portions of SR 99 and SR 198 were impacted. The fog lifted into a stratus deck then dissipated by late morning.

Source: NOAA Storm Events Database, event_id 1221636. Narrative written by the NWS forecast office that issued the report.