NOAA STORM EVENTS · COMPLETE YEARS 2016–2025HISTORICAL REPORTS, NOT A FORECAST OR RISK SCORE
STORM EVENTLEDGERCOUNTY REPORTS · SEASONALITY · IMPACT
EVENT FILE / 06001MINIMUM 5 REPORTS

ALAMEDA · CA

Flash Flood history

NOAA records coded as Flash Flood in Alameda during the ten complete years from 2016 through 2025.

Reports6NOAA county-coded rows
Population context0.4per 100,000 residents · 2024 ACS denominator 1,649,473
Injuries0direct + indirect fields
Fatalities0direct + indirect fields
Not a probability

6 reports in ten years does not mean a 0.6-event annual forecast. Reporting units, event segmentation, coverage, and local exposure all affect the count.

01 / YEAR-BY-YEAR

How the record changed

20175
20251
03 / RECORDED CONSEQUENCES

Impact fields on these rows

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 year2,025within selected window
04 / RECENT ROW SAMPLE

Latest records in this slice

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

DateEvent IDSourceMagnitude / scaleFiled damage
2025-12-25NOAA 1,299,848Law Enforcement$0
2017-02-20NOAA 683,500River/Stream Gage$0
2017-02-20NOAA 683,499River/Stream Gage$0
2017-02-20NOAA 683,474Law Enforcement$0
2017-02-07NOAA 683,427River/Stream Gage$0
2017-01-10NOAA 682,533River/Stream Gage$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.