01 / ANNUAL TRACE
California Flash Flood reports by year
NOAA recorded 1,174 California Flash Flood reports across the complete 2016–2025 period.
CA EVENT-TYPE FILE2016—2025
CALIFORNIA
Flash Flood reports
NOAA recorded 1,174 county-coded Flash Flood reports across 46 California reporting areas from 2016 through 2025, including 22 reported injuries and 22 reported fatalities in the official archive.
Source: NOAA Storm Events details table · Complete years 2016–2025 · Compiled 16 Sep 2026
Reports1,174county-coded rows
County areas46represented
Injuries22direct + indirect
Fatalities22direct + indirect
03 / COUNTY BREAKDOWN
All California records →Local California Flash Flood analyses
The directory lists 46 California reporting areas represented in this statewide Flash Flood record.
San Bernardino350 reportsExplore →Riverside126 reportsExplore →Inyo113 reportsExplore →Imperial87 reportsExplore →Los Angeles86 reportsExplore →San Diego77 reportsExplore →Kern52 reportsExplore →Ventura42 reportsExplore →Santa Barbara41 reportsExplore →San Luis Obispo25 reportsExplore →Orange24 reportsExplore →Fresno19 reportsExplore →Sonoma19 reportsExplore →Monterey9 reportsExplore →Shasta8 reportsExplore →Santa Clara8 reportsExplore →Tuolumne7 reportsExplore →Tulare7 reportsExplore →Alameda6 reportsExplore →Mariposa6 reportsExplore →Sacramento5 reportsExplore →Santa Cruz5 reportsExplore →