45
Recorded events
2
Direct deaths
6
Direct injuries
$56.6M
Property damage
Tornado in Jasper County, Iowa: 45 recorded events between 1965 and 2024. The strongest on record measured F4. That places the county #479 nationally and #22 statewide for this hazard.
Decade by decade
Tornado in Jasper County, Iowa: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for tornado in Jasper County is the 2000s, when 12 of the county's 45 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 Jasper County archive, tornado makes up 7.8% of all recorded severe weather across 8 hazard types. Nationally the county sits at #479 for this hazard and #22 within Iowa, putting it in the 83.2 percentile of all U.S. counties.
Seasonality
Events by month
May is the peak month for tornado in Jasper County with 11 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.
Tornado tracks
Paths crossing this county
| Date | Scale | Path length | Max width | Origin |
|---|---|---|---|---|
| 2022-03-05 | EF4 | 70.6 mi | 900 yd | Crossed in |
| 1986-09-28 | EF4 | 20.0 mi | 250 yd | Crossed in |
| 1978-09-16 | EF3 | 31.8 mi | 200 yd | Crossed in |
| 1999-04-08 | EF3 | 39.0 mi | 0 yd | Crossed in |
| 1966-10-14 | EF3 | 29.5 mi | 200 yd | Touched down here |
| 2022-03-05 | EF2 | 17.3 mi | 500 yd | Touched down here |
| 2007-09-30 | EF2 | 21.9 mi | 1,250 yd | Crossed in |
| 1973-06-04 | EF2 | 1.3 mi | 250 yd | Touched down here |
| 1969-06-11 | EF2 | 1.0 mi | 100 yd | Touched down here |
| 1968-04-03 | EF2 | 5.2 mi | 150 yd | Touched down here |
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Sep 17, 1978 | F3 | 2 | 2 | $250K | |
| Jun 6, 2008 | REASNOR | EF1 | 0 | 2 | $250K |
| Apr 27, 2024 | MONROE | EF1 | 0 | 1 | $250K |
| Apr 8, 1999 | PRAIRIE CITY | F2 | 0 | 1 | $1.0M |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jun 25, 2024 | METZ | EFU | $0 |
| Jun 25, 2024 | NEWTON | EFU | $0 |
| May 7, 2024 | PRAIRIE CITY | EF0 | $25K |
| Apr 27, 2024 | REASNOR | EFU | $0 |
| Apr 27, 2024 | MONROE | EF1 | $250K |
| Oct 13, 2023 | NEWTON MUNI ARPT | EF0 | $1K |
| Mar 6, 2022 | KELLOGG | EF2 | $500K |
| Mar 5, 2022 | VANDALIA | EF2 | $50.0M |
| Dec 16, 2021 | NEWTON MUNI ARPT | EF0 | $50K |
| Sep 22, 2019 | MINGO | EFU | $0 |
Other hazards here
More from Jasper County
- Hail 220
- Thunderstorm Wind 189
- Heavy Rain 70
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
This tornado developed from the same supercell that produced the Winterset to Newton tornado. It remained in rural areas of central and eastern Jasper county downing power poles and trees along its path. Machine sheds were destroyed at a residence along East 116th Street North with additional damage to outbuildings along East 132nd Street North. The tornado passed just west and north of the hamlet of Newburg before exiting the county into Poweshiek county just south of North 99th Avenue East.
Jasper County EMA reported a path of damage starting just east of Monroe impacting several rural homesteads. Much of the damage was to trees and outbuildings with a few smaller sheds being destroyed. Otherwise, the bulk of the path was across rural farmland between Monroe and Reasnor in southern Jasper County.
This tornado developed nearly 5 miles south of Newton and raced northeast. The tornado produced damage to several trees and a few outbuildings along the way. The tornado passed over the south end of the Newton Airport runway and then proceeded across the Iowa Speedway with minor damage to several structures onsite. The tornado proceeded to the northeast across Interstate 80 and eventually US Highway 6 east of Newton, dissipating shortly after passing over Highway 6.
Quick answers
Frequently asked
How many tornado events are on record in Jasper County, Iowa?
45 tornado events are recorded in Jasper County between 1965 and 2024, causing 2 direct deaths.
What is the strongest tornado recorded in Jasper County?
The strongest tornado on record in Jasper County measured F4.
Where does the tornado data for Jasper 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
“Tornado in Jasper County, Iowa.” Severe Weather History. severeweatherhistory.com/county/iowa/jasper-county/tornado/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.