Flood — Sonoma, California
2025-11-17 · near Santa Rosa, Sonoma, California
Event narrative
Roadway flooding was reported on the connectors between eastbound California Highway 12 and northbound US Highway 101 and westbound Highway 12 to southbound Highway 101.
Wider weather episode
A low pressure system brought rain and winds to the Bay Area and Central Coast on November 16 and 17th. Special Marine Warnings and Special Weather Statements were issued due to isolated thunderstorms causing localized heavy rain and gusty winds. The main frontal rain band came through in the overnight hours, with isolated to scattered showers and some thunderstorms continuing into the 17th.
View location on OpenStreetMap → (38.4300, -122.7100)
Source: NOAA Storm Events Database, event_id 1299248. Narrative written by the NWS forecast office that issued the report.