| Latitude: 38.02º N | Longitude: 121.80º W | Elevation: 10 Feet | Forecast Type: Unofficial Location | |
| Location: Contra Costa County in California | Bulletin Group: Lower Sacramento | River Group: Lower Sacramento | ||
| Issuance Time: | May 21 2026 at 7:59 AM PDT | Next Issuance: | May 22 2026 at 9:00 AM PDT |
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