57
Recorded events
0
Direct deaths
0
Direct injuries
$700K
Property damage
Flash Flood in Cass County, Missouri: 57 recorded events between 1997 and 2021. The strongest on record measured 0. That places the county #503 nationally and #34 statewide for this hazard.
Decade by decade
Flash Flood in Cass County, Missouri: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Cass County is the 2000s, when 24 of the county's 57 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Cass County archive, flash flood makes up 7.3% of all recorded severe weather across 7 hazard types. Nationally the county sits at #503 for this hazard and #34 within Missouri, putting it in the 83.5 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for flash flood in Cass County with 20 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jun 28, 2021 | LISLE | 0 | $0 |
| Jun 25, 2021 | GARDEN CITY | 0 | $0 |
| May 27, 2021 | EAST LYNNE ARPT | 0 | $0 |
| May 27, 2021 | CREIGHTON | 0 | $0 |
| Apr 28, 2021 | WEST LINE | 0 | $0 |
| Apr 28, 2021 | FREEMAN | 0 | $0 |
| Apr 28, 2021 | HARRISONVILLE | 0 | $0 |
| Apr 28, 2021 | PECULIAR | 0 | $0 |
| May 28, 2020 | PECULIAR | 0 | $0 |
| Sep 28, 2019 | HARRISONVILLE | 0 | $0 |
Other hazards here
More from Cass County
- Hail 382
- Thunderstorm Wind 281
- Tornado 41
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
After 3 to 5 inches of rain fell across portions of Cass County the town of Harrisonville, Missouri had many highways completely impassible. Harrisonville is a crossroad for I-49, Highway 2, and Highway 7. Several locations among those highways were covered in water. Several businesses were also inundated with several feet of water. Despite the selection of $0 damage, the damage to many businesses was extensive, but a dollar value could not be determined at this time.
Quick answers
Frequently asked
How many flash flood events are on record in Cass County, Missouri?
57 flash flood events are recorded in Cass County between 1997 and 2021, causing 0 direct deaths.
What is the strongest flash flood recorded in Cass County?
The strongest flash flood on record in Cass County measured 0.
Where does the flash flood data for Cass County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Flash Flood in Cass County, Missouri.” Severe Weather History. severeweatherhistory.com/county/missouri/cass-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.