Debris Flow — Napa, California

2019-02-27 · near Salvador, Napa, California

Event narrative

Debris flow blocking almost entire roadway Sr-128 at Steele Canyon Rd.

Wider weather episode

An atmospheric river moved through the region near the end of the month with the bulk of the impacts felt in the North Bay. Widespread flooding was reported from minor roadway flooding to major flooding of mainstem rivers. The Russian River reached major flood stage flooding dozens of homes and businesses prompting mandatory evacuations and rescues. Venado received over 20 inches of rain in 48 hours. In addition to heavy rainfall, this system brought gusty winds with widespread gusts exceeding 50 mph and over 70 mph in the North Bay Mountains.

View location on OpenStreetMap → (38.4468, -122.1969)

Source: NOAA Storm Events Database, event_id 802832. Narrative written by the NWS forecast office that issued the report.