NOAA STORM EVENTS · COMPLETE YEARS 2016–2025HISTORICAL REPORTS, NOT A FORECAST OR RISK SCORE
STORM EVENTLEDGERCOUNTY REPORTS · SEASONALITY · IMPACT
EVENT FILE / 06013MINIMUM 5 REPORTS

CONTRA COSTA · CA

Debris Flow history

NOAA recorded 9 county-coded Debris Flow reports in Contra Costa, CA, from 2016 through 2025, with 0 reported injuries, 0 reported fatalities, and $0 in filed damage.

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

Reports9NOAA county-coded rows
Population context0.8per 100,000 residents · 2024 ACS denominator 1,165,012
Injuries0direct + indirect fields
Fatalities0direct + indirect fields
How to read the count

9 reports in ten years does not mean a 0.9-event annual forecast. Reporting units, event segmentation, coverage, and local exposure all affect the count.

01 / YEAR-BY-YEAR

Debris Flow in Contra Costa reports by year

NOAA recorded 9 Debris Flow in Contra Costa reports across the ten complete years from 2016 through 2025.

20176
20193
03 / RECORDED CONSEQUENCES

Recorded impacts for Debris Flow in Contra Costa

The Debris Flow in Contra Costa records contain 0 injuries, 0 fatalities, $0 in property damage, and $0 in crop damage.

Damage estimates are nominal values as filed by the reporting source and retained by NOAA.

Property damage$0not inflation-adjusted
Crop damage$0not inflation-adjusted
First report year2,017within selected window
Latest report year2,019within selected window
04 / RECENT ROW SAMPLE

Latest Debris Flow in Contra Costa source records

NOAA supplied 8 recent Debris Flow in Contra Costa source rows with dates, event IDs, report sources, magnitude fields, and filed damage.

Up to eight latest rows are shown for auditability. Open NOAA for complete narratives and revisions.

Latest NOAA Debris Flow records for Contra Costa
DateEvent IDSourceMagnitude / scaleFiled damage
2019-02-14NOAA 802,017Law Enforcement—$0
2019-02-13NOAA 801,014Law Enforcement—$0
2019-01-17NOAA 797,448Trained Spotter—$0
2017-04-07NOAA 692,373Law Enforcement—$0
2017-03-04NOAA 688,558Law Enforcement—$0
2017-02-09NOAA 684,722Law Enforcement—$0
2017-02-21NOAA 682,692Law Enforcement—$0
2017-02-20NOAA 682,396Law Enforcement—$0
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.