Flood — San Joaquin, California

2023-01-05 · near Forest Lake, San Joaquin, California

Event narrative

The California Highway Patrol reported a flooded intersection at Liberty Rd. and Dustin Rd.

Wider weather episode

A powerful atmospheric river brought very strong winds with moderate to heavy rain and renewed flooding of the already elevated waterways. There was flooding of roadways, urban areas, rivers, streams, and creeks. There were dangerous mountain travel conditions at Sierra pass levels with 6 to 18 inches of snow above 6500 feet. The warm nature of the storm limited snow amounts further down, with just a few inches of accumulation down to 6000 feet. Winds gusted up to 50-60 mph in the Valley, with gusts up to 70 to 100 mph in the mountains. There were widespread trees down, blocking roads and causing numerous power outages across the area. Rainfall amounts were 1 to 3 inches in the Central Valley and 2 to 6 inches in the foothills and mountains. There were 2 fatalities reported, one due to drowning, and the other due to a rain-related car accident.

View location on OpenStreetMap → (38.2300, -121.2300)

Source: NOAA Storm Events Database, event_id 1078651. Narrative written by the NWS forecast office that issued the report.