States › Kansas › Atchison County › Flood
Flood in Atchison County, Kansas
62 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 62 flood events in Atchison County, Kansas, between 1950 and 2026, spread over 14 years.
June is the busiest month, with 19 of the recorded events. The last 20 years account for 22 events against 40 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.3% of the 4,604 flood events recorded in Kansas; its 14.4 per 100 square miles compares with 5.6 statewide.
Compared with Kansas
| Measure | Atchison County | Kansas | US |
|---|---|---|---|
| Flood events since 1950 | 62 | 4,604 | 183,559 |
| Per 100 square miles | 14.4 | 5.6 | 5.2 |
| Per 10,000 residents | 38.2 | 15.7 | 5.5 |
| Deaths recorded | 0 | 32 | 2,961 |
| Busiest month | June | May | June |
By year
Seasonality
0Feb
0Mar
2Apr
6May
18Jun
19Jul
3Aug
5Sep
1Oct
6Nov
2Dec
0
Recorded events
All 62 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 |
|---|---|---|---|---|---|---|---|
| 1 Jun 2019 | Flood | — | — | — | — | — | County |
| 28 May 2019 | Flash Flood | — | — | — | — | — | County |
| 1 May 2019 | Flood | — | — | — | — | — | County |
| 30 Apr 2019 | Flood | — | — | — | — | — | County |
| 1 Apr 2019 | Flood | — | — | — | — | — | County |
| 13 Mar 2019 | Flood | — | $100K | $100K | — | — | County |
| 13 Mar 2019 | Flood | — | $100K | $100K | — | — | County |
| 30 Jun 2018 | Flash Flood | — | — | — | — | — | County |
| 30 Jun 2018 | Flash Flood | — | — | — | — | — | County |
| 21 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 21 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 30 Jun 2017 | Flood | — | — | — | — | — | County |
| 9 Oct 2014 | Flood | — | — | — | — | — | County |
| 21 Sep 2010 | Flash Flood | — | — | — | — | — | County |
| 31 May 2008 | Flood | — | — | — | — | — | County |
| 22 May 2008 | Flood | — | — | — | — | — | County |
| 15 Oct 2007 | Flood | — | — | — | — | — | County |
| 25 May 2007 | Flood | — | — | — | — | — | County |
| 7 May 2007 | Flood | — | — | — | — | — | County |
| 7 May 2007 | Flood | — | — | — | — | — | County |
| 6 May 2007 | Flood | — | — | — | — | — | County |
| 16 Apr 2007 | Flood | — | — | — | — | — | County |
| 2 Oct 2005 | Flash Flood | — | — | — | — | — | County |
| 2 Oct 2005 | Flash Flood | — | — | — | — | — | County |
| 2 Oct 2005 | Flash Flood | — | — | — | — | — | County |
| 19 Aug 2005 | Flash Flood | — | — | — | — | — | County |
| 4 Jun 2005 | Flash Flood | — | — | — | — | — | County |
| 12 May 2005 | Flash Flood | — | — | — | — | — | County |
| 24 May 2004 | Flood | — | — | — | — | — | Forecast zone |
| 12 Jul 2001 | Flood | — | — | — | — | — | Forecast zone |
| 20 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 20 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 20 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 19 Jun 2001 | Flood | — | $260K | — | — | — | Forecast zone |
| 19 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 19 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 4 Jun 2001 | Flash Flood | — | — | — | — | — | County |
| 6 May 2001 | Flood | — | — | — | — | — | Forecast zone |
| 9 Aug 1999 | Flood | — | — | — | — | — | Forecast zone |
| 1 Jul 1999 | Flood | — | — | — | — | — | Forecast zone |
| 27 Jun 1999 | Flood | — | — | — | — | — | Forecast zone |
| 14 Jun 1999 | Flood | — | — | — | — | — | Forecast zone |
| 21 May 1999 | Flood | — | — | — | — | — | Forecast zone |
| 17 May 1999 | Flood | — | — | — | — | — | Forecast zone |
| 27 Apr 1999 | Flood | — | — | — | — | — | Forecast zone |
| 15 Apr 1999 | Flood | — | — | — | — | — | Forecast zone |
| 2 Nov 1998 | Flood | — | — | — | — | — | Forecast zone |
| 17 Oct 1998 | Flood | — | — | — | — | — | Forecast zone |
| 13 Jun 1998 | Flood | — | — | — | — | — | Forecast zone |
| 25 Jun 1997 | Flood | — | — | — | — | — | Forecast zone |
| 1 May 1997 | Flood | — | — | — | — | — | Forecast zone |
| 10 Apr 1997 | Flood | — | — | — | — | — | Forecast zone |
| 17 Nov 1996 | Flood | — | — | — | — | — | Forecast zone |
| 7 Aug 1996 | Flood | — | — | — | — | — | Forecast zone |
| 20 Jul 1996 | Flood | — | — | — | — | — | Forecast zone |
| 23 Jun 1996 | Flood | — | — | — | — | — | Forecast zone |
| 6 Jun 1996 | Flood | — | — | — | — | — | Forecast zone |
| 1 Jun 1996 | Flood | — | — | — | — | — | Forecast zone |
| 27 May 1996 | Flood | — | — | — | — | — | Forecast zone |
| 24 May 1996 | Flood | — | — | — | — | — | Forecast zone |
| 10 May 1996 | Flood | — | — | — | — | — | Forecast zone |
| 8 May 1996 | Flood | — | — | — | — | — | Forecast zone |
Questions and answers
How many flood events has Atchison County had?
62 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 Atchison County?
1 Jun 2019 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Atchison County?
The flood of 19 Jun 2001, with property damage estimated by NCEI at $260K.
How does Atchison County compare with Kansas for flood?
14.4 events per 100 square miles against 5.6 statewide; the county holds 62 of the state's 4,604 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.