FloodZoneMap.org

Flash Flood — Tuolumne, CA

Mar 11, 2023

A wet system brought periods of heavy rain with flooding. There was 1 to 2 feet of snow accumulated above 6,500 feet, locally higher on some peaks. Heavy rain fell bringing widespread roadway flooding, as well as local mudslides, flash flooding, with evacuations ordered in some areas. Thunderstorms with large hail, strong damaging winds and tornadoes were reported. Strong winds gusting to 55 to 75 mph brought down numerous trees and powerlines across the area, causing widespread and extended pow

Source: NOAA National Weather Service Storm Events Database (event 1090191). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Tuolumne, CA

This event is one of many recorded floods in Tuolumne County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Tuolumne County flood data →

More Flood Stories

Flash Flood$43.0M damage

Tuolumne, CA · Mar 22, 2018

Torrential rain from an atmospheric river with locally heavy convective showers brought flash flooding to portions of the northern Sierra and Motherlode foothills.

Read the full account →
Flood$8.0M damage

Tuolumne, CA · Mar 21, 2018

Torrential rain from an atmospheric river with locally heavy convective showers brought flash flooding to portions of the northern Sierra and Motherlode foothills.

Read the full account →
Flash Flood

Tuolumne, CA · Mar 11, 2023

A wet system brought periods of heavy rain with flooding. There was 1 to 2 feet of snow accumulated above 6,500 feet, locally higher on some peaks.

Read the full account →
Flood

Tuolumne, CA · Jan 9, 2023

A major winter storm brought strong winds with moderate to heavy rain bringing renewed flooding of already elevated waterways. There was flooding of roadways, urban areas, rivers, streams and creeks, with rockslides and mudslides also reported.

Read the full account →