Severe Weather History


Hazard archive · 1950 — present

Flash Flood in York County, Pennsylvania

96

Recorded events

2

Direct deaths

0

Direct injuries

$6.1M

Property damage

Flash Flood in York County, Pennsylvania: 96 recorded events between 1996 and 2025. The strongest on record measured 1. That places the county #182 nationally and #16 statewide for this hazard.

Decade by decade

Flash Flood in York County, Pennsylvania: events per decade

Flash Flood in York County, Pennsylvania: recorded events per decade
Flash Flood in York County, Pennsylvania: recorded events per decade

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

The busiest decade for flash flood in York County is the 2010s, when 35 of the county's 96 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 York County archive, flash flood makes up 10.5% of all recorded severe weather across 7 hazard types. Nationally the county sits at #182 for this hazard and #16 within Pennsylvania, putting it in the 94.1 percentile of all U.S. counties.

Seasonality

Events by month

3Jan
0Feb
2Mar
1Apr
3May
25Jun
30Jul
13Aug
14Sep
1Oct
2Nov
2Dec

Jul is the peak month for flash flood in York County with 30 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.

Significant events

Deadliest on record

DateLocationScaleDeathsInjuriesDamage
May 10, 2004FELTON020$5.5M
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Jul 14, 2025YORKANA0$0
Jul 14, 2025YOE0$0
Jul 14, 2025EAST PROSPECT0$0
Jul 14, 2025WINDSOR0$0
Jul 14, 2025DELROY0$0
Jul 14, 2025WEST YORK0$0
Jul 14, 2025DAVIDSBURG0$0
Jul 14, 2025DELROY0$0
Jul 14, 2025DOVER0$0
Jul 14, 2025EMIGSVILLE0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from York 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 York County, Pennsylvania?

96 flash flood events are recorded in York County between 1996 and 2025, causing 2 direct deaths.

What is the strongest flash flood recorded in York County?

The strongest flash flood on record in York County measured 1.

Where does the flash flood data for York 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 York County, Pennsylvania.” Severe Weather History. severeweatherhistory.com/county/pennsylvania/york-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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