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Flood in Union County, Georgia
31 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 31 flood events in Union County, Georgia, between 1950 and 2026, spread over 10 years.
March is the busiest month, with 8 of the recorded events. The last 20 years account for 25 events against 6 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1% of the 3,250 flood events recorded in Georgia; its 9.6 per 100 square miles compares with 5.6 statewide.
Compared with Georgia
| Measure | Union County | Georgia | US |
|---|---|---|---|
| Flood events since 1950 | 31 | 3,250 | 183,559 |
| Per 100 square miles | 9.6 | 5.6 | 5.2 |
| Per 10,000 residents | 12.1 | 3.0 | 5.5 |
| Deaths recorded | 0 | 18 | 2,961 |
| Busiest month | March | March | June |
By year
Seasonality
1Feb
3Mar
8Apr
7May
1Jun
0Jul
5Aug
1Sep
4Oct
1Nov
0Dec
0
Recorded events
All 31 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 |
|---|---|---|---|---|---|---|---|
| 29 Aug 2023 | Flash Flood | — | $40K | — | — | — | County |
| 25 Mar 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Mar 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Mar 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Mar 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Mar 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Mar 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Mar 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Mar 2021 | Flash Flood | — | — | — | — | — | County |
| 29 Oct 2020 | Flash Flood | — | $25K | — | — | — | County |
| 13 Apr 2020 | Flood | — | — | — | — | — | County |
| 13 Apr 2020 | Flood | — | $25K | — | — | — | County |
| 13 Apr 2020 | Flood | — | $30K | — | — | — | County |
| 13 Apr 2020 | Flood | — | $15K | — | — | — | County |
| 13 Apr 2020 | Flood | — | $20K | — | — | — | County |
| 13 Apr 2020 | Flood | — | — | — | — | — | County |
| 6 Feb 2020 | Flash Flood | — | — | — | — | — | County |
| 6 Feb 2020 | Flash Flood | — | — | — | — | — | County |
| 6 Feb 2020 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 2013 | Flash Flood | — | $35K | — | — | — | County |
| 17 Apr 2013 | Flash Flood | — | $100K | — | — | — | County |
| 21 Sep 2009 | Flood | — | $5K | — | — | — | County |
| 20 Sep 2009 | Flood | — | — | — | — | — | County |
| 20 Sep 2009 | Flash Flood | — | $1K | — | — | — | County |
| 8 Jul 2009 | Flash Flood | — | $1K | — | — | — | County |
| 29 Jul 2005 | Flash Flood | — | $5K | — | — | — | County |
| 16 Sep 2004 | Flash Flood | — | $250K | — | — | — | County |
| 16 Jul 2003 | Flash Flood | — | — | — | — | — | County |
| 7 May 2003 | Flash Flood | — | $5K | — | — | — | County |
| 11 Jul 2002 | Flood | — | — | — | — | — | County |
| 26 Jan 1996 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Union County had?
31 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 Union County?
29 Aug 2023 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Union County?
The flash flood of 16 Sep 2004, with property damage estimated by NCEI at $250K.
How does Union County compare with Georgia for flood?
9.6 events per 100 square miles against 5.6 statewide; the county holds 31 of the state's 3,250 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.