Enter any address in Chase County, Kansas to see its FEMA flood zone
Flash flooding from severe thunderstorms is the dominant flood character in Chase County. Between 2013 and 2023, NOAA Storm Events data recorded 13 flash flood events, which resulted in 6 fatalities. In addition to flash flooding, 12 general flood events occurred during the same period. Recent events include flash flooding in the northeast corner of the county on September 21, 2023, caused by heavy rainfall from severe thunderstorms. Widespread flooding also occurred on May 8, 2019, following stalled frontal boundary and heavy rainfall across south-central Kansas.
FEMA National Flood Insurance Program data indicates that properties in Zone A have experienced the majority of claims, with an average payout of $8,677 and an average water depth of 1.3 feet. Residents in Zone A, as well as those in areas with unknown flood zone designations, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
6 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Chase County, Kansas has recorded 25 flood-related events since 1996 according to NOAA's Storm Events Database, including 13 flash floods and 12 river or area floods. The county has received 22 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1965–2025)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Jun 3, 2025 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Jun 26, 2024 |
| Severe Winter Storm | Winter Storm | Jan 8, 2024 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Straight-line Winds, Tornadoes, Flooding,landslides,and Mudslides | Severe Storm | Apr 28, 2019 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | May 4, 2015 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Jul 22, 2013 |
| Severe Storms, Flooding, And Tornadoes | Severe Storm | Jun 7, 2010 |
| Severe Storms, Flooding, Straight-line Winds, And Tornadoes | Severe Storm | Apr 25, 2009 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Sep 21, 2023 | 0.00K |
| Flood | May 8, 2019 | 0.10K |
| Flood | Oct 9, 2018 | 0.10K |
| Flood | May 27, 2016 | 0.00K |
| Flash Flood | May 26, 2016 | 0.00K |
| Flood | May 16, 2015 | 0.00K |
| Flash Flood | Jul 10, 2015 | 1.00K |
| Flood | Jul 29, 2013 | 0.00K |
| Flood | May 8, 2009 | 100.00K |
| Flood | Aug 9, 2008 | 0.00K |
Flash Flood — Sep 21, 2023
Initially it was an isolated severe thunderstorm that straddled the Chase and Morris county line, but there was additional thunderstorm development as it tracked to the east and southeast. This storm produced quarter sized hail and very heavy rainfall that led to flash flooding in the northeast corner of Chase County.
Flood — May 8, 2019
A stalled frontal boundary was draped across portions of Kansas during the day on May 7th, 2019 ahead of an approaching storm system. Widespread showers and thunderstorms with very heavy rainfall developed across the area. These storms inundated areas that were already saturated from recent rainfall resulting in widespread flooding across south central Kansas. ||Significant flash flooding occur...
Flood — Oct 9, 2018
A strong low pressure area moved out of the southern plains and moved northeast across the central portions of Kansas. Abundant moisture moved north and wrapped into the low pressure area. Widespread showers and embedded thunderstorms developed across Kansas. Numerous rounds of showers moved across Kansas, with renewed flooding and even some flash flooding. Rainfall amounts over the two da...
Flood — May 27, 2016
Another round of late May storms produced very strong winds and damaging hail to central Kansas on both the 26th and 27th. Very large hail up to baseball size was noted along with a significant amount of flooding due to the heavy rains. These rains prolonged the localized flooding for a few days and also caused river flooding.
Flash Flood — May 26, 2016
Another round of late May storms produced very strong winds and damaging hail to central Kansas on both the 26th and 27th. Very large hail up to baseball size was noted along with a significant amount of flooding due to the heavy rains. These rains prolonged the localized flooding for a few days and also caused river flooding.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Chase County, Kansas:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Chase County, Kansas that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.