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Flood in Sullivan County, Indiana

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

119 events · 0 deaths recorded · peak month May · county share of state 2.0%

2026-06-21: Flood2025-04-05: Flood2023-07-01: Flood2022-07-08: Flood2020-07-19: Flood2019-05-29: Flood2016-10-19: Flood2013-12-21: Flood2012-09-07: Flood2011-04-09: Flood2011-04-09: Flood2011-04-09: Flood2009-05-27: Flood2009-05-01: Flood2009-05-01: Flood2009-04-05: Flood2009-04-05: Flood2009-03-11: Flood2009-03-11: Flood2009-03-02: Flood2009-02-11: Flood2009-02-11: Flood2009-01-01: Flood2009-01-01: Flood2008-12-28: Flood2008-12-28: Flood2008-07-14: Flood2008-07-13: Flood2008-06-09: Flood2008-06-07: Flood2008-06-02: Flood2008-05-14: Flood2008-05-14: Flood2008-05-08: Flood2008-04-01: Flood2008-03-04: Flood2008-03-01: Flood2008-03-01: Flood2008-02-05: Flood2008-02-05: Flood2008-01-08: Flood2008-01-01: Flood2007-12-13: Flood2007-04-01: Flood2007-03-01: Flood2007-02-26: Flood2007-01-01: Flood2006-12-22: Flood2006-12-02: Flood2006-03-11: Flood2005-01-17: Flood2004-08-24: Flood2004-05-27: Flood
Flood event locations in and around Sullivan 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 119 flood events in Sullivan County, Indiana, between 1950 and 2026, spread over 24 years.

May is the busiest month, with 16 of the recorded events. The last 20 years account for 47 events against 72 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 2% of the 6,083 flood events recorded in Indiana; its 26.6 per 100 square miles compares with 17.0 statewide.

Compared with Indiana

MeasureSullivan CountyIndianaUS
Flood events since 19501196,083183,559
Per 100 square miles26.617.05.2
Per 10,000 residents57.38.95.5
Deaths recorded0832,961
Busiest monthMayJuneJune

By year

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

Seasonality

Jan
13
Feb
13
Mar
15
Apr
14
May
16
Jun
12
Jul
13
Aug
2
Sep
4
Oct
6
Nov
2
Dec
9
Flood events in Sullivan County by month of occurrence, all years.

Recorded events

All 119 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
21 Jun 2026Flash Flood—$20K———County
5 Apr 2025Flash Flood—$100K———County
1 Jul 2023Flash Flood—$15K———County
8 Jul 2022Flash Flood—$2K———County
19 Jul 2020Flash Flood—$2K———County
29 May 2019Flash Flood—$5K$25K——County
19 Oct 2016Flood—$500———County
21 Dec 2013Flash Flood—$1K———County
7 Sep 2012Flood—$500$500——County
9 Apr 2011Flash Flood—$20K———County
9 Apr 2011Flash Flood—$1K$500——County
9 Apr 2011Flash Flood—$500$500——County
27 May 2009Flash Flood—$1K$1K——County
1 May 2009Flood——$10K——County
1 May 2009Flood——$10K——County
5 Apr 2009Flood—————County
5 Apr 2009Flood—————County
11 Mar 2009Flood—————County
11 Mar 2009Flood—————County
2 Mar 2009Flood—————County
11 Feb 2009Flood—————County
11 Feb 2009Flood—————County
1 Jan 2009Flood—$5K———County
1 Jan 2009Flood—————County
28 Dec 2008Flood—————County
28 Dec 2008Flood—————County
14 Jul 2008Flood——$5K——County
13 Jul 2008Flood——$5K——County
9 Jun 2008Flash Flood—$5K$5K——County
7 Jun 2008Flash Flood—$30K———County
2 Jun 2008Flood—$15M$15M——County
14 May 2008Flood—$5K$5K——County
14 May 2008Flood—$5K$5K——County
8 May 2008Flash Flood—$15K———County
1 Apr 2008Flood—————County
4 Mar 2008Flood—$15K———County
1 Mar 2008Flood—$10K———County
1 Mar 2008Flood—$10K———County
5 Feb 2008Flood—$10K———County
5 Feb 2008Flood—$10K———County
8 Jan 2008Flood—$15K———County
1 Jan 2008Flood—$1K———County
13 Dec 2007Flood—$1K———County
1 Apr 2007Flood—$1K———County
1 Mar 2007Flood—$10K———County
26 Feb 2007Flood—$10K———County
1 Jan 2007Flood—$10K———County
22 Dec 2006Flood—$10K———County
2 Dec 2006Flood—$10K———County
22 Jun 2006Flash Flood—————County
22 Jun 2006Flash Flood—$10K———County
11 Mar 2006Flood—$100K———County
1 Mar 2005Flood—————Forecast zone
1 Feb 2005Flood—$10K———Forecast zone
17 Jan 2005Flash Flood—————County
4 Jan 2005Flood—————Forecast zone
3 Jan 2005Flood—$500K———Forecast zone
1 Dec 2004Flood—$20K———Forecast zone
18 Oct 2004Flash Flood—————County
24 Aug 2004Flash Flood—————County
12 Jul 2004Flash Flood—————County
13 Jun 2004Flood—————Forecast zone
27 May 2004Flash Flood—————County
4 Jan 2004Flood—————Forecast zone
1 Jan 2004Flood—————Forecast zone
24 Dec 2003Flood—————Forecast zone
24 Nov 2003Flood—————Forecast zone
22 Nov 2003Flood—————Forecast zone
1 Oct 2003Flood—————Forecast zone
28 Sep 2003Flood—————Forecast zone
1 Sep 2003Flood—————Forecast zone
1 Sep 2003Flood—————Forecast zone
8 Jul 2003Flood—$500K$7.0M——Forecast zone
10 May 2003Flood—————Forecast zone
12 May 2002Flash Flood—$50K———County
6 May 2002Flash Flood—$150K———County
1 May 2002Flash Flood—————County
1 May 2002Flood—————Forecast zone
27 Apr 2002Flood—————Forecast zone
1 Apr 2002Flood—————Forecast zone
31 Mar 2002Flood—————Forecast zone
9 Mar 2002Flood—————Forecast zone
22 Feb 2002Flood—————Forecast zone
1 Feb 2002Flood—————Forecast zone
17 Dec 2001Flood—————Forecast zone
14 Oct 2001Flood—————Forecast zone
9 Jul 2001Flash Flood—————County
9 Jun 2001Flood—————Forecast zone
1 Mar 2001Flood—————Forecast zone
26 Feb 2001Flood—————Forecast zone
11 Feb 2001Flood—————Forecast zone
6 Oct 2000Flood—————Forecast zone
5 Oct 2000Flash Flood—————County
11 Jul 2000Flood—————Forecast zone
25 Jun 2000Flood—————Forecast zone
3 Jun 1999Flood—————Forecast zone
18 Apr 1999Flood—————Forecast zone
1 Feb 1999Flood—————Forecast zone
22 Jan 1999Flood—$100K———Forecast zone
22 Jan 1999Flood—$1.0M———Forecast zone
9 Aug 1998Flood—————Forecast zone
25 Jul 1998Flood—————Forecast zone
7 Jul 1998Flood—————County
7 Jul 1998Flash Flood—————County
1 Jul 1998Flood—————Forecast zone
19 Jun 1998Flood—————Forecast zone
12 Jun 1998Flood—————Forecast zone
10 Apr 1998Flood—————Forecast zone
1 Apr 1998Flood—————Forecast zone
21 Mar 1998Flood—————Forecast zone
10 Jan 1998Flood—————Forecast zone
14 Mar 1997Flood—————Forecast zone
1 Mar 1997Flood—————Forecast zone
28 Feb 1997Flood—————Forecast zone
22 Feb 1997Flood—————Forecast zone
11 May 1996Flood—————Forecast zone
4 May 1996Flood—————Forecast zone
4 May 1996Flood—————Forecast zone
28 Apr 1996Flood—————Forecast zone

Questions and answers

How many flood events has Sullivan County had?

119 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 Sullivan County?

21 Jun 2026 (Flash Flood). Records reach NCEI about 120 days after the month ends.

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

The flood of 2 Jun 2008, with property damage estimated by NCEI at $15M and crop damage at $15M.

How does Sullivan County compare with Indiana for flood?

26.6 events per 100 square miles against 17.0 statewide; the county holds 119 of the state's 6,083 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.