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Flood in Perry County, Pennsylvania
41 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 41 flood events in Perry County, Pennsylvania, between 1950 and 2026, spread over 17 years.
September is the busiest month, with 11 of the recorded events. The last 20 years account for 14 events against 27 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.6% of the 7,057 flood events recorded in Pennsylvania; its 7.4 per 100 square miles compares with 15.8 statewide.
NCEI attributes 1 death in the county to floods and flash floods.
Compared with Pennsylvania
| Measure | Perry County | Pennsylvania | US |
|---|---|---|---|
| Flood events since 1950 | 41 | 7,057 | 183,559 |
| Per 100 square miles | 7.4 | 15.8 | 5.2 |
| Per 10,000 residents | 8.9 | 5.4 | 5.5 |
| Deaths recorded | 1 | 110 | 2,961 |
| Busiest month | September | July | June |
By year
Seasonality
3Feb
0Mar
6Apr
3May
4Jun
4Jul
3Aug
2Sep
11Oct
1Nov
2Dec
2
Recorded events
All 41 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 1 Jul 2025 | Flood | — | — | — | — | — | County |
| 10 Jun 2025 | Flood | — | — | — | — | — | County |
| 8 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 27 Jul 2014 | Flash Flood | — | — | — | — | — | County |
| 16 May 2014 | Flood | — | — | — | — | — | County |
| 10 Oct 2013 | Flood | — | — | — | — | — | County |
| 7 Sep 2011 | Flood | — | $11K | — | — | — | County |
| 16 Apr 2011 | Flood | — | — | — | — | — | County |
| 10 Mar 2011 | Flood | — | — | — | — | — | County |
| 10 Mar 2011 | Flood | — | — | — | — | — | County |
| 29 May 2009 | Flood | — | — | — | — | — | County |
| 29 May 2009 | Flood | — | $15K | — | — | — | County |
| 28 May 2009 | Flash Flood | — | $50K | — | — | — | County |
| 5 Mar 2008 | Flood | — | — | — | — | — | County |
| 27 Jun 2006 | Flash Flood | — | — | — | — | — | County |
| 27 Jun 2006 | Flood | — | — | — | — | — | County |
| 30 Nov 2005 | Flood | — | — | — | — | — | Forecast zone |
| 2 Apr 2005 | Flood | — | — | — | — | — | Forecast zone |
| 2 Apr 2005 | Flood | — | — | — | — | — | Forecast zone |
| 29 Mar 2005 | Flood | — | — | — | — | — | Forecast zone |
| 28 Mar 2005 | Flood | — | — | — | — | — | Forecast zone |
| 28 Sep 2004 | Flood | — | — | — | — | — | Forecast zone |
| 18 Sep 2004 | Flood | — | — | — | — | — | Forecast zone |
| 18 Sep 2004 | Flood | — | — | — | — | — | Forecast zone |
| 17 Sep 2004 | Flood | — | — | — | — | — | Forecast zone |
| 12 Jul 2004 | Flash Flood | — | — | — | — | — | County |
| 11 Dec 2003 | Flood | — | — | — | — | — | Forecast zone |
| 9 Aug 2003 | Flash Flood | — | — | — | — | — | County |
| 14 Aug 2001 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2000 | Flash Flood | — | $10K | — | — | — | County |
| 16 Sep 1999 | Flash Flood | — | $20K | — | — | — | County |
| 6 Sep 1999 | Flash Flood | — | $20K | — | — | — | County |
| 21 Mar 1998 | Flash Flood | — | — | — | — | — | County |
| 8 Jan 1998 | Flash Flood | — | — | — | — | — | County |
| 8 Nov 1997 | Flash Flood | — | — | — | — | — | County |
| 11 Sep 1997 | Flash Flood | — | — | — | — | — | County |
| 13 Dec 1996 | Flash Flood | — | — | — | — | — | County |
| 13 Sep 1996 | Flash Flood | — | — | — | — | — | County |
| 6 Sep 1996 | Flash Flood | — | — | — | 1 | — | County |
| 19 Jan 1996 | Flood | — | — | — | — | — | Forecast zone |
| 19 Jan 1996 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Perry County had?
41 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.
When was the last recorded flood event in Perry County?
1 Jul 2025 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Perry County?
The flash flood of 28 May 2009, with property damage estimated by NCEI at $50K.
How does Perry County compare with Pennsylvania for flood?
7.4 events per 100 square miles against 15.8 statewide; the county holds 41 of the state's 7,057 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.