Flood — Contra Costa, California

2024-03-06 · near Danville, Contra Costa, California

Event narrative

Slow lane starting to collapse with a crack approximately 10 feet long at the offramp from southbound Interstate 680 to El Pintado Road.

Wider weather episode

Scattered thunderstorms developed on March 6 and caused flooding in several areas. The most intense flooding occurred near Salinas and Prunedale, where a stationary thunderstorm developed around 12 Noon. This storm produced torrential rainfall with one observer in North Salinas reporting 1 of rain in 25 minutes.

View location on OpenStreetMap → (37.8344, -122.0094)

Source: NOAA Storm Events Database, event_id 1155806. Narrative written by the NWS forecast office that issued the report.