Dense Fog — San Diego County Valleys, California
2025-02-21 · San Diego County Valleys, California
Event narrative
A public source reported dense fog with a visibility of 0.25 SM 4 miles west of Poway.
Wider weather episode
The 17th Santa Ana wind event occurred late February, 20-26th. Humidity was very low across interior southern California, but coastal dense fog affected the airports and beaches.
Source: NOAA Storm Events Database, event_id 1239500. Narrative written by the NWS forecast office that issued the report.