NOAA STORM EVENTS · COMPLETE YEARS 2016–2025HISTORICAL REPORTS, NOT A FORECAST OR RISK SCORE
STORM EVENTLEDGERCOUNTY REPORTS · SEASONALITY · IMPACT
COUNTY / AREA FILE 060132016—2025

NOAA STORM-EVENT REPORT HISTORY

Contra Costa, CA

NOAA recorded 73 county-coded storm-event reports across 5 event types in Contra Costa, CA, from 2016 through 2025, including 0 reported injuries and 0 reported fatalities.

Source: NOAA Storm Events details table · Complete years 2016–2025 · Compiled 16 Sep 2026

NOAA reports73county-coded rows
Event types5distinct NOAA labels
Population context6.3per 100,000 residents · 2024 ACS denominator 1,165,012
Reported damage$80nominal filed estimates
How to read this record

A report is a database record, not necessarily one whole storm. Multi-county systems can create multiple records; tornadoes may be segmented by county. Counts also reflect reporting practices and NOAA entry rules.

01 / ANNUAL TRACE

Contra Costa reports by year

The annual trace distributes 73 Contra Costa reports across the ten complete years from 2016 through 2025.

201718
201818
201915
20204
20221
202413
20254
03 / EVENT-TYPE INDEX

Storm types reported in Contra Costa

3 event types have dedicated Contra Costa analyses after reaching the five-report publication threshold.

Dedicated analyses are published only for county-event combinations with at least five rows in the ten-year window.

Flood48 NOAA reports · 0 injuries · 0 fatalities4.1 per 100k →Hail12 NOAA reports · 0 injuries · 0 fatalities1.0 per 100k →Debris Flow9 NOAA reports · 0 injuries · 0 fatalities0.8 per 100k →
04 / HUMAN IMPACT FIELDS

Injuries and fatalities reported in Contra Costa

Contra Costa NOAA rows contain 0 direct or indirect injuries and 0 direct or indirect fatalities.

Injuries0direct + indirect
Fatalities0direct + indirect

These are NOAA/NWS report fields. Zero can mean none reported; it is not a general health or disaster-loss estimate.

06 / SAME STATE

Counties to compare with Contra Costa

California contains 57 other NOAA county-coded reporting areas in this release, with up to eight related records listed for Contra Costa.

Open California →
San Bernardino669 reports · 8 event typesSan Diego462 reports · 10 event typesKern431 reports · 9 event typesFresno404 reports · 9 event typesRiverside382 reports · 11 event typesSonoma310 reports · 7 event typesTulare242 reports · 9 event typesSanta Clara189 reports · 8 event types
READING THE RECORD

History is evidence—not a forecast.

A NOAA record count describes reports entered for a place and period. It does not estimate the chance, severity, or location of a future event. For active hazards, use your local National Weather Service office and official alerts.