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Flood in Gilmer 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.
Gilmer County, Georgia, has 31 flood events in the NCEI record since 1950, with at least one in 14 different years.
August is the busiest month, with 10 of the recorded events. The last 20 years account for 19 events against 12 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 7.3 per 100 square miles compares with 5.6 statewide.
Compared with Georgia
| Measure | Gilmer County | Georgia | US |
|---|---|---|---|
| Flood events since 1950 | 31 | 3,250 | 183,559 |
| Per 100 square miles | 7.3 | 5.6 | 5.2 |
| Per 10,000 residents | 9.7 | 3.0 | 5.5 |
| Deaths recorded | 0 | 18 | 2,961 |
| Busiest month | August | March | June |
By year
Seasonality
1Feb
0Mar
2Apr
0May
3Jun
3Jul
3Aug
10Sep
4Oct
1Nov
0Dec
4
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 |
|---|---|---|---|---|---|---|---|
| 31 Mar 2021 | Flash Flood | — | — | — | — | — | County |
| 20 Aug 2020 | Flash Flood | — | — | — | — | — | County |
| 20 Aug 2020 | Flash Flood | — | $12K | — | — | — | County |
| 21 Jul 2018 | Flash Flood | — | $10K | — | — | — | County |
| 24 Dec 2015 | Flash Flood | — | $30K | — | — | — | County |
| 24 Dec 2015 | Flash Flood | — | $300K | — | — | — | County |
| 24 Dec 2015 | Flash Flood | — | $1.1M | — | — | — | County |
| 10 Oct 2014 | Flash Flood | — | $2K | — | — | — | County |
| 30 Jun 2014 | Flash Flood | — | $5K | — | — | — | County |
| 23 Jun 2014 | Flash Flood | — | $3K | — | — | — | County |
| 7 Aug 2013 | Flash Flood | — | $25K | — | — | — | County |
| 1 Aug 2013 | Flash Flood | — | $1.5M | — | — | — | County |
| 1 Aug 2013 | Flash Flood | — | $5K | — | — | — | County |
| 1 Aug 2013 | Flash Flood | — | $3K | — | — | — | County |
| 1 Aug 2013 | Flash Flood | — | $1.5M | — | — | — | County |
| 3 Mar 2012 | Flash Flood | — | $5K | — | — | — | County |
| 15 Sep 2009 | Flash Flood | — | $5K | — | — | — | County |
| 10 Dec 2008 | Flash Flood | — | $6K | — | — | — | County |
| 22 Jul 2008 | Flood | — | $250K | — | — | — | County |
| 13 Aug 2005 | Flood | — | $100 | — | — | — | Forecast zone |
| 16 Sep 2004 | Flash Flood | — | $2.8M | — | — | — | County |
| 7 Sep 2004 | Flash Flood | — | $75K | — | — | — | County |
| 3 Sep 2003 | Flash Flood | — | — | — | — | — | County |
| 15 Aug 2003 | Flash Flood | — | — | — | — | — | County |
| 2 Aug 2003 | Flash Flood | — | $10K | — | — | — | County |
| 16 Jul 2003 | Flash Flood | — | $1.0M | — | — | 1 | County |
| 7 Jun 2003 | Flash Flood | — | $5K | — | — | — | County |
| 22 May 2003 | Flash Flood | — | $10K | — | — | — | County |
| 7 May 2003 | Flash Flood | — | $50K | — | — | — | County |
| 3 May 1997 | Flash Flood | — | $4K | — | — | — | County |
| 26 Jan 1996 | Flash Flood | — | $20K | — | — | — | County |
Questions and answers
How many flood events has Gilmer 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 Gilmer County?
31 Mar 2021 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Gilmer County?
The flash flood of 16 Sep 2004, with property damage estimated by NCEI at $2.8M.
How does Gilmer County compare with Georgia for flood?
7.3 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.