EF0 tornado, Cheneyville to Tab, Illinois, June 29, 2024

1. EF065 to 85 mphthis tornado

   Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.

2. EF186 to 110 mph

   Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.

3. EF2111 to 135 mph

   Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.

4. EF3136 to 165 mph

   Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.

5. EF4166 to 200 mph

   Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.

6. EF5over 200 mph

   Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.

7. Unrated

   The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.

Rating

EF0

Date

June 29, 2024

Touchdown

6:15 PM CDT (23:15 UTC)

Lifted

6:30 PM CDT (23:30 UTC)

On the ground

15 minutes

Path length

4.7 miles (7.5 km)

Path width

30 yards (27 m)

Deaths

0

Injuries

0

Counties

Warren and Vermilion counties

Touchdown point

40.450, -87.570

Lift-off point

40.440, -87.482

Record number

2406291715-03

3 damage points were recorded along this path by NWS ILX, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EFU. The highest wind the damage implies is 70 mph.

• Approximate start point of landspout
• Spotter video shows small tree branches being torn vertically from a tree.
• Approximate end point of the landspout tornado, per the spotters map of the event.

Survey points are preliminary and are the raw material the published rating was built from. Source: NWS Damage Assessment Toolkit.

Scattered showers developed during the late afternoon and early evening along a slow-moving cold front that was draped from northern Indiana to near the I-72 corridor in central Illinois. Trained spotters reported that many of these showers exhibited weak rotation and brief funnel clouds, and one produced a landspout tornado in Vermilion County, which eventually tracked into Indiana. This tornado was on the ground for a total of 15 minutes and was rated EF0 after producing minor tree damage.

Southwesterly surface winds ahead of an approaching cold front boosted dewpoints in the afternoon as high as 76 degrees at the Terre Haute and Indianapolis airports, and 77 degrees at Shelbyville. Resulting CAPE of 2000-3000 J/kg initiated thunderstorms over east-central Illinois, which tracked eastward into west-central Indiana. This cluster matured into a bow echo that produced a measured 68 mph gust at Crawfordsville before downing trees across the Indianapolis Metro, most notably the Beech Grove area.||The storms were maintained by 20-30 kts of 0-3 km wind shear, with wind damage reported through Rush County where several large trees were downed. Anomalously high precipitable water values around 2.15 inches promoted isolated heavy rainfall of 2.00 to 2.30 inches from south of Crawfordsville to northern portions of the Indianapolis Metro, although antecedent abnormally dry conditions prevented any flooding.||Finally, an early evening landspout tornado crossed from Vermillion County, Illinois into Warren County, Indiana, while producing no damage along the second half (Indiana portion) of its entire 4.76-mile track, resulting in an EFU rating in Indiana.

A storm chaser monitored a landspout tornado that maintained connection to the ground for a total of 15 minutes along a track from eastern Vermilion County in Illinois to northwestern Warren County in Indiana. The landspout tornado crossed the Illinois-Indiana state line at 1723 CST. Video from the storm chaser captured minor damage to tree branches, resulting in an EF0 rating.

A storm chaser monitored a landspout tornado that maintained connection to the ground for much of its entire 4.76 mile track from far eastern Illinois into Indiana. The landspout started in Vermillion County, IL (in NWS Lincoln's area) at 1815 EST and crossed into Warren County, IN at 1823 EST. Minor EF0 damage was observed 750 feet west of the state line in Illinois, nonetheless the landspout was rated EFU along the entirety of the 2.25-mile (Indiana) portion of its track in Warren County where no damage was observed.

From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.

No tornado warning for this county appears in the archive as in force at the moment the tornado touched down.

Every warning and watch covering the touchdown point that day, from the Iowa Environmental Mesonet's archive of National Weather Service products. Lead time is measured from the issue of the warning in force to the touchdown time in the database, both of which were recorded to the minute by different people.

The Storm Prediction Center had this point in a Marginal Risk. The outlook in force was issued at 19:56 UTC.

SPC's Day 1 convective outlook as it stood when the tornado began, read at the touchdown point. The same archive is on the radar archive.

The radiosonde launches on either side of the tornado, from the nearest station that was launching then, drawn and analyzed the way Storm Lab does: the same diagram, the same parcel and shear definitions SPC's mesoanalysis uses.

The Indianapolis radar (KIND), 134 km away, was scanning. The volume nearest the touchdown began at 23:16 UTC.

Open the radar archive at this moment, over the track

Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.

Local storm reports within 60 km of the path, in the three hours either side.

From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.

The live radar over the trackEvery 2024 tornado in IllinoisEvery tornado in Illinois since 1950Warnings in force in Illinois nowThe forecast where you are

2 more were confirmed in the United States that day.

Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.

NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.