Flash Flood in Nevada County, California

Flash Flood August 26, 2025 · Nevada County, California

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Water and mud along Interstate 80 near Floriston.

The wider storm

A high amount of atmospheric moisture in the region interacted with a short-wave trough, allowing for widespread heavy precipitation. This was day four of an extended push of monsoon moisture that produced heavy rain, localized flooding, strong outflow winds.

Began near Flonston (39.4000, -120.0300).

Source: NOAA Storm Events Database, event 1279921. Narratives are written by the National Weather Service forecast office that issued the report.

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