Flood — Contra Costa, California

2024-04-04 · near Hercules, Contra Costa, California

Event narrative

Roadway flooding was reported at Westbound California Highway 4 and Westbound Interstate 80.

Wider weather episode

Scattered thunderstorms impacted the Bay Area on April 4 and 5 as a cold core upper level low tracked over the region. After a front passed through the region, an unstable atmosphere set up over the region and contributed to convective activity. The SPC placed the region in a general mention of thunderstorms, with small hail being the main impact.

View location on OpenStreetMap → (38.0162, -122.2693)

Source: NOAA Storm Events Database, event_id 1164960. Narrative written by the NWS forecast office that issued the report.