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Flood in Greene County, Pennsylvania
93 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 93 flood events in Greene County, Pennsylvania, between 1950 and 2026, spread over 22 years.
July is the busiest month, with 21 of the recorded events. The last 20 years account for 51 events against 42 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.3% of the 7,057 flood events recorded in Pennsylvania; its 16.1 per 100 square miles compares with 15.8 statewide.
Compared with Pennsylvania
| Measure | Greene County | Pennsylvania | US |
|---|---|---|---|
| Flood events since 1950 | 93 | 7,057 | 183,559 |
| Per 100 square miles | 16.1 | 15.8 | 5.2 |
| Per 10,000 residents | 26.3 | 5.4 | 5.5 |
| Deaths recorded | 0 | 110 | 2,961 |
| Busiest month | July | July | June |
By year
Seasonality
7Feb
9Mar
4Apr
14May
13Jun
12Jul
21Aug
7Sep
3Oct
0Nov
1Dec
2
Recorded events
All 93 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 |
|---|---|---|---|---|---|---|---|
| 25 Jul 2025 | Flash Flood | — | $1K | — | — | — | County |
| 12 Apr 2024 | Flash Flood | — | $1K | $1K | — | — | County |
| 11 Apr 2024 | Flash Flood | — | $1K | $1K | — | — | County |
| 11 Apr 2024 | Flash Flood | — | — | — | — | — | County |
| 11 Apr 2024 | Flash Flood | — | $1K | $1K | — | — | County |
| 11 Apr 2024 | Flash Flood | — | $1K | $1K | — | — | County |
| 11 Apr 2024 | Flash Flood | — | — | — | — | — | County |
| 3 Apr 2024 | Flood | — | $1K | $1K | — | — | County |
| 3 Apr 2024 | Flood | — | — | — | — | — | County |
| 1 Apr 2024 | Flood | — | $5K | $1K | — | — | County |
| 3 Jan 2023 | Flood | — | — | — | — | — | County |
| 21 Jun 2021 | Flood | — | — | — | — | — | County |
| 11 Jul 2019 | Flash Flood | — | $2K | — | — | — | County |
| 11 Jul 2019 | Flash Flood | — | $3K | — | — | — | County |
| 8 Feb 2019 | Flood | — | — | — | — | — | County |
| 8 Feb 2019 | Flood | — | — | — | — | — | County |
| 8 Feb 2019 | Flood | — | — | — | — | — | County |
| 9 Sep 2018 | Flood | — | $1K | — | — | — | County |
| 9 Sep 2018 | Flood | — | $1K | — | — | — | County |
| 3 Apr 2018 | Flood | — | — | — | — | — | County |
| 3 Apr 2018 | Flood | — | — | — | — | — | County |
| 3 Apr 2018 | Flood | — | — | — | — | — | County |
| 12 Jan 2018 | Flood | — | — | — | — | — | County |
| 29 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2017 | Flood | — | — | — | — | — | County |
| 29 Jul 2017 | Flash Flood | — | — | — | — | — | County |
| 29 Jul 2017 | Flood | — | — | — | — | — | County |
| 28 Jul 2017 | Flash Flood | — | $500 | — | — | — | County |
| 28 Jul 2017 | Flash Flood | — | $1K | — | — | — | County |
| 23 Jun 2017 | Flash Flood | — | — | — | — | — | County |
| 23 Jun 2017 | Flash Flood | — | — | — | — | — | County |
| 18 Dec 2016 | Flood | — | $2K | — | — | — | County |
| 16 Jun 2016 | Flash Flood | — | $3K | — | — | — | County |
| 16 Jun 2016 | Flash Flood | — | $5K | — | — | — | County |
| 16 Jun 2016 | Flood | — | $2K | — | — | — | County |
| 6 Jul 2015 | Flood | — | — | — | — | — | County |
| 4 Mar 2015 | Flood | — | — | — | — | — | County |
| 22 Jul 2011 | Flood | — | $15K | — | — | — | County |
| 4 Jul 2011 | Flood | — | $5K | — | — | — | County |
| 4 Jul 2011 | Flood | — | $5K | — | — | — | County |
| 13 May 2011 | Flood | — | $5K | — | — | — | County |
| 13 May 2011 | Flood | — | $5K | — | — | — | County |
| 13 May 2011 | Flood | — | $5K | — | — | — | County |
| 13 May 2011 | Flood | — | $5K | — | — | — | County |
| 13 May 2011 | Flood | — | — | — | — | — | County |
| 13 May 2011 | Flood | — | $10K | — | — | — | County |
| 16 Jun 2008 | Flash Flood | — | $50K | — | — | — | County |
| 13 Dec 2007 | Flood | — | $5K | — | — | — | County |
| 28 Mar 2005 | Flood | — | — | — | — | — | Forecast zone |
| 11 Jan 2005 | Flood | — | — | — | — | — | Forecast zone |
| 5 Jan 2005 | Flood | — | $15K | — | — | — | Forecast zone |
| 17 Sep 2004 | Flood | — | $6.1M | — | — | — | Forecast zone |
| 21 May 2004 | Flash Flood | — | — | — | — | — | County |
| 11 May 2004 | Flash Flood | — | — | — | — | — | County |
| 13 Apr 2004 | Flood | — | — | — | — | — | Forecast zone |
| 6 Feb 2004 | Flood | — | — | — | — | — | Forecast zone |
| 19 Nov 2003 | Flash Flood | — | $250K | — | — | — | County |
| 29 Aug 2003 | Flash Flood | — | — | — | — | — | County |
| 27 Aug 2003 | Flash Flood | — | — | — | — | — | County |
| 27 Aug 2003 | Flash Flood | — | — | — | — | — | County |
| 8 Jul 2003 | Flash Flood | — | $15K | — | — | — | County |
| 10 May 2003 | Flash Flood | — | $5K | — | — | — | County |
| 10 May 2003 | Flash Flood | — | — | — | — | — | County |
| 10 May 2003 | Flash Flood | — | — | — | — | — | County |
| 9 May 2003 | Flash Flood | — | — | — | — | — | County |
| 23 Feb 2003 | Flash Flood | — | — | — | — | — | County |
| 23 Feb 2003 | Flash Flood | — | — | — | — | — | County |
| 23 Jul 2002 | Flash Flood | — | — | — | — | — | County |
| 13 Jun 2002 | Flash Flood | — | — | — | — | — | County |
| 6 Jun 2002 | Flash Flood | — | $10K | — | — | — | County |
| 6 Jun 2002 | Flash Flood | — | $10K | — | — | — | County |
| 26 Mar 2002 | Flood | — | $5K | — | — | — | Forecast zone |
| 5 Jul 2001 | Flash Flood | — | — | — | — | — | County |
| 18 May 2001 | Flash Flood | — | — | — | — | — | County |
| 6 Aug 2000 | Flash Flood | — | — | — | — | — | County |
| 6 Aug 2000 | Flash Flood | — | — | — | — | — | County |
| 6 Aug 2000 | Flash Flood | — | — | — | — | — | County |
| 18 Feb 2000 | Flash Flood | — | $20K | — | — | — | County |
| 14 Feb 2000 | Flash Flood | — | $10K | — | — | — | County |
| 9 Apr 1999 | Flash Flood | — | $10K | — | — | — | County |
| 27 Jun 1998 | Flash Flood | — | — | — | — | — | County |
| 27 Jun 1998 | Flash Flood | — | $10K | — | — | — | County |
| 2 Mar 1997 | Flash Flood | — | $10K | — | — | — | County |
| 8 Aug 1996 | Flash Flood | — | $5K | — | — | — | County |
| 19 Jul 1996 | Flash Flood | — | — | — | — | — | County |
| 18 Jul 1996 | Flash Flood | — | $50K | — | — | — | County |
| 28 Feb 1996 | Flash Flood | — | $5K | — | — | — | County |
| 24 Jan 1996 | Flash Flood | — | — | — | — | — | County |
| 19 Jan 1996 | Flood | — | $440K | — | — | — | Forecast zone |
| 19 Jan 1996 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Greene County had?
93 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 Greene County?
25 Jul 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Greene County?
The flood of 17 Sep 2004, with property damage estimated by NCEI at $6.1M.
How does Greene County compare with Pennsylvania for flood?
16.1 events per 100 square miles against 15.8 statewide; the county holds 93 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.