Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Susquehanna County, Pennsylvania

97

Recorded events

1

Direct deaths

0

Direct injuries

$125.9M

Property damage

Flash Flood in Susquehanna County, Pennsylvania: 97 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #177 nationally and #15 statewide for this hazard.

Decade by decade

Flash Flood in Susquehanna County, Pennsylvania: events per decade

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

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

The busiest decade for flash flood in Susquehanna County is the 2010s, when 41 of the county's 97 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 Susquehanna County archive, flash flood makes up 18.9% of all recorded severe weather across 6 hazard types. Nationally the county sits at #177 for this hazard and #15 within Pennsylvania, putting it in the 94.2 percentile of all U.S. counties.

Seasonality

Events by month

5Jan
0Feb
2Mar
1Apr
0May
10Jun
11Jul
43Aug
8Sep
3Oct
4Nov
10Dec

Aug is the peak month for flash flood in Susquehanna County with 43 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
Jun 27, 2006COUNTYWIDE010$100.0M
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Jun 22, 2025GREAT BEND0$2K
Aug 18, 2024BRACKNEY0$75K
Aug 18, 2024BRACKNEY0$10K
Aug 18, 2024HERRICK CENTER0$2K
Aug 18, 2024CLIFFORD0$25K
Aug 18, 2024CLIFFORD0$1K
Aug 18, 2024CLIFFORD ARPT0$1K
Aug 9, 2024THOMPSON0$150K
Aug 9, 2024SOUTH MONTROSE0$8K
Aug 9, 2024CLIFFORD0$20K
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Susquehanna 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 Susquehanna County, Pennsylvania?

97 flash flood events are recorded in Susquehanna County between 1996 and 2025, causing 1 direct deaths.

What is the strongest flash flood recorded in Susquehanna County?

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

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


Historical reference only — for official alerts visit weather.gov