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Flood in Sequatchie County, Tennessee
26 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.
Sequatchie County, Tennessee, has 26 flood events in the NCEI record since 1950, with at least one in 14 different years.
February is the busiest month, with 6 of the recorded events. The last 20 years account for 15 events against 11 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.6% of the 4,414 flood events recorded in Tennessee; its 9.8 per 100 square miles compares with 10.7 statewide.
NCEI attributes 1 death in the county to floods and flash floods.
Compared with Tennessee
| Measure | Sequatchie County | Tennessee | US |
|---|---|---|---|
| Flood events since 1950 | 26 | 4,414 | 183,559 |
| Per 100 square miles | 9.8 | 10.7 | 5.2 |
| Per 10,000 residents | 15.9 | 6.3 | 5.5 |
| Deaths recorded | 1 | 121 | 2,961 |
| Busiest month | February | February | June |
By year
Seasonality
1Feb
6Mar
3Apr
5May
2Jun
1Jul
1Aug
0Sep
5Oct
1Nov
0Dec
1
Recorded events
All 26 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 |
|---|---|---|---|---|---|---|---|
| 18 Jul 2025 | Flash Flood | — | — | — | — | — | County |
| 27 Sep 2024 | Flash Flood | — | — | — | — | — | County |
| 9 May 2024 | Flash Flood | — | — | — | — | — | County |
| 23 Feb 2022 | Flood | — | — | — | — | — | County |
| 6 Oct 2021 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 28 Mar 2021 | Flood | — | — | — | — | — | County |
| 23 Feb 2019 | Flood | — | $100K | — | — | — | County |
| 3 Feb 2016 | Flash Flood | — | — | — | — | — | County |
| 25 Dec 2015 | Flood | — | — | — | — | — | County |
| 24 Jun 2015 | Flash Flood | — | — | — | — | — | County |
| 27 Apr 2011 | Flood | — | $10K | — | 1 | — | County |
| 26 Sep 2009 | Flood | — | — | — | — | — | County |
| 21 Sep 2009 | Flood | — | — | — | — | — | County |
| 7 Apr 2005 | Flash Flood | — | $5K | — | — | — | County |
| 5 May 2003 | Flash Flood | — | $5.6M | — | — | — | County |
| 21 Feb 2003 | Flood | — | — | — | — | — | Forecast zone |
| 15 Feb 2003 | Flash Flood | — | — | — | — | — | County |
| 14 Feb 2003 | Flood | — | $190K | — | — | — | Forecast zone |
| 18 Mar 2002 | Flash Flood | — | — | — | — | — | County |
| 17 Mar 2002 | Flood | — | — | — | — | — | Forecast zone |
| 4 Apr 2000 | Flash Flood | — | — | — | — | — | County |
| 3 Apr 2000 | Flash Flood | — | — | — | — | — | County |
| 3 Apr 2000 | Flash Flood | — | — | — | — | — | County |
| 7 Jan 1998 | Flash Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Sequatchie County had?
26 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 Sequatchie County?
18 Jul 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Sequatchie County?
The flash flood of 5 May 2003, with property damage estimated by NCEI at $5.6M.
How does Sequatchie County compare with Tennessee for flood?
9.8 events per 100 square miles against 10.7 statewide; the county holds 26 of the state's 4,414 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.