Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Madison County, New York

49

Recorded events

0

Direct deaths

0

Direct injuries

$30.9M

Property damage

Flash Flood in Madison County, New York: 49 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #616 nationally and #38 statewide for this hazard.

Decade by decade

Flash Flood in Madison County, New York: events per decade

Flash Flood in Madison County, New York: recorded events per decade
Flash Flood in Madison County, New York: recorded events per decade

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flash flood in Madison County is the 2010s, when 24 of the county's 49 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Madison County archive, flash flood makes up 12.1% of all recorded severe weather across 8 hazard types. Nationally the county sits at #616 for this hazard and #38 within New York, putting it in the 79.6 percentile of all U.S. counties.

Seasonality

Events by month

1Jan
0Feb
0Mar
3Apr
3May
9Jun
21Jul
5Aug
1Sep
0Oct
4Nov
2Dec

Jul is the peak month for flash flood in Madison County with 21 recorded events, while Feb is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Jun 22, 2025CANASTOTA0$100K
Jun 22, 2025KENWOOD0$2K
Jun 22, 2025LENOX0$5K
Jun 22, 2025ONEIDA0$5K
May 16, 2025HAMILTON0$1K
Dec 18, 2023SHEDS0$2K
Aug 23, 2021WEST EATON0$5K
Aug 23, 2021GEORGETOWN0$10K
Nov 1, 2019MIDDLEPORT0$10K
Aug 15, 2018HAMILTON0$100K
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Madison County

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

How many flash flood events are on record in Madison County, New York?

49 flash flood events are recorded in Madison County between 1996 and 2025, causing 0 direct deaths.

What is the strongest flash flood recorded in Madison County?

The strongest flash flood on record in Madison County measured 0.

Where does the flash flood data for Madison County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.

Cite this page

“Flash Flood in Madison County, New York.” Severe Weather History. severeweatherhistory.com/county/new-york/madison-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov