County Hazards

States › Tennessee › Clay County › Flood

Flood in Clay County, Tennessee

25 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

25 events · 0 deaths recorded · peak month July · county share of state 0.6%

2025-02-15: Flood2024-05-23: Flood2021-03-28: Flood2019-03-09: Flood2017-07-01: Flood2016-06-27: Flood2015-07-03: Flood2015-07-02: Flood2014-08-11: Flood2010-07-19: Flood2010-06-24: Flood2009-07-15: Flood2009-04-02: Flood
Flood event locations in and around Clay County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

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 25 flood events in Clay County, Tennessee, between 1950 and 2026, spread over 16 years.

July is the busiest month, with 7 of the recorded events. The last 20 years account for 13 events against 12 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 10.6 per 100 square miles compares with 10.7 statewide.

Compared with Tennessee

MeasureClay CountyTennesseeUS
Flood events since 1950254,414183,559
Per 100 square miles10.610.75.2
Per 10,000 residents33.16.35.5
Deaths recorded01212,961
Busiest monthJulyFebruaryJune

By year

195019882026
Flood events recorded in Clay County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
2
Feb
2
Mar
5
Apr
1
May
1
Jun
3
Jul
7
Aug
1
Sep
1
Oct
0
Nov
1
Dec
1
Flood events in Clay County by month of occurrence, all years.

Recorded events

All 25 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
15 Feb 2025Flash Flood—————County
23 May 2024Flash Flood—————County
28 Mar 2021Flash Flood—$239K———County
9 Mar 2019Flood—————County
1 Jul 2017Flood—————County
27 Jun 2016Flash Flood—$2K———County
3 Jul 2015Flood—————County
2 Jul 2015Flash Flood—$500K———County
11 Aug 2014Flash Flood—$5K———County
19 Jul 2010Flash Flood—$50K$1K——County
24 Jun 2010Flash Flood—$10K$1K——County
15 Jul 2009Flash Flood—$25K———County
2 Apr 2009Flash Flood—$1K———County
30 Nov 2004Flash Flood—$1K———County
5 Feb 2004Flood—————Forecast zone
22 Sep 2003Flash Flood—————County
31 Jul 2003Flash Flood—————County
9 Jul 2003Flash Flood—————County
17 Mar 2002Flash Flood—————County
24 Jan 2002Flash Flood—————County
16 Dec 2000Flash Flood—————County
21 Jun 2000Flash Flood—————County
19 Mar 2000Flash Flood—————County
7 Jan 1998Flash Flood—————County
5 Mar 1997Flash Flood—————County

Questions and answers

How many flood events has Clay County had?

25 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 Clay County?

15 Feb 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Clay County?

The flash flood of 2 Jul 2015, with property damage estimated by NCEI at $500K.

How does Clay County compare with Tennessee for flood?

10.6 events per 100 square miles against 10.7 statewide; the county holds 25 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.