Flood — Napa, California

2019-02-04 · near West Napa, Napa, California

Event narrative

SR 12 at SR 121 northbound lanes flooded.

Wider weather episode

A mid/upper low with a very cold airmass moved through in early February bringing snow to lower elevation peaks across the region prompting a rare Winter Weather Advisory. Junipero Serra Peak received around a foot of snow. Rainfall just ahead of this system also brought roadway flooding and minor debris flows.

View location on OpenStreetMap → (38.2577, -122.3027)

Source: NOAA Storm Events Database, event_id 800429. Narrative written by the NWS forecast office that issued the report.