Tornadoes · United States · Illinois · 2019

EF1 tornado, Champaign to Tipton, Illinois, May 26, 2019

From Champaign to Tipton, this EF1 tornado ran 0.8 miles across Champaign County on May 26, 2019, touching down at 1:27 AM CDT and reaching 250 yards wide. It killed nobody.

The rating scale

Tracks are drawn in the color of the rating. The Enhanced Fujita scale rates the damage rather than measuring the wind: the speeds are what that damage is taken to imply.

  1. EF065 to 85 mph

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

  2. EF186 to 110 mphthis tornado

    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.

The record

Rating
EF1
Date
May 26, 2019
Touchdown
1:27 AM CDT (06:27 UTC)
Lifted
1:29 AM CDT (06:29 UTC)
On the ground
2 minutes
Path length
0.8 miles (1.4 km)
Path width
250 yards (229 m)
Deaths
0
Injuries
0
County
Champaign County
Touchdown point
40.087, -88.208
Lift-off point
40.086, -88.192
Record number
1905260027-01

The damage survey

40 damage points were recorded along this path by NWS ILX, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EF1. The highest wind the damage implies is 100 mph.

  • trees snapped at intersection.
  • more trees snapped at intersection.
  • 1 tree uprooted, 8 more trees snapped at various heights.
  • also large pine tree uprooted behind me.

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

What the Weather Service recorded

Isolated supercells developed ahead of an approaching cold front across west-central Illinois during the late evening of May 25th. The storms eventually congealed into a line and tracked eastward along and north of the I-72 corridor to the Indiana border by the pre-dawn hours of May 26th. Five tornado touchdowns occurred along the leading edge of the storms, including two in Tazewell County and three in Champaign County. Aside from the tornadoes, the storms produced 60-70 mph wind gusts and hail as large as quarters.

A tornado touched down within a line of severe thunderstorms near Mayfair Road and Broadmoor Drive in Champaign at 11:23 PM CDT May 25th. The tornado damaged numerous trees as it moved to the east-southeast parallel to Broadmoor Drive before dissipating near Richards Lane and Park Haven Drive in Champaign at 11:25 PM CDT.

A tornado touched down near Race Street and McHenry Street in Urbana at 11:27 PM CDT May 25th. The tornado damaged numerous trees as it traveled to the east-southeast just south of McHenry Street before dissipating west of Philo Road in Urbana at 11:29 PM CDT.

A tornado touched down about 1.3 miles southwest of St. Joseph at 11:35 PM CDT May 25th. The tornado crossed Salt Fork and damaged trees along County Road 2200 East before dissipating 1 mile south of St. Joseph at 11:37 PM CDT.

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

The warnings

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

Issued (UTC)ExpiredProductOffice
06:30 UTC07:01 UTCSevere Thunderstorm WarningILX
06:55 UTC07:38 UTCSevere Thunderstorm WatchILX

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 forecast that day

The Storm Prediction Center had this point in a General Thunderstorms Risk. The outlook in force was issued at 05:54 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 air that afternoon

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.

Lincoln, IL (KILX), 00:00Z

6.5 hours before the tornado, 35 km from the path. May 26, 2019.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2019-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 868 joules per kilogram, CIN -10, lifted condensation level 1545 meters above ground. Wind barbs in knots down the right edge.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed. The warm shading is its CAPE, the cool shading the inhibition it has to break through.
HodographHodograph, Lincoln, IL at 00:00Z on 2019-05-26The wind through the lowest 10 kilometers as a curve, rings every 10 meters per second labeled in knots. Zero to 1 km storm-relative helicity 41 square meters per square second, 0 to 6 km bulk shear 42 knots.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km. RM and LM are the right and left moving storms Bunkers' method gives; the shaded area is the 0 to 1 km storm-relative helicity.
Mixed-layer CAPE
868 J/kg
Mixed-layer CIN
-10 J/kg
Surface CAPE
1916 J/kg
Mixed-layer LCL
1545 m above ground
0-6 km bulk shear
42 kt
0-1 km bulk shear
14 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.6
0-3 km lapse rate
6.6 K/km

Open this sounding in Storm Lab

Lincoln, IL (KILX), 12:00Z

5.5 hours after it, 35 km from the path. May 26, 2019.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2019-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 29 joules per kilogram, CIN -254, lifted condensation level 1140 meters above ground. Wind barbs in knots down the right edge.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed. The warm shading is its CAPE, the cool shading the inhibition it has to break through.
HodographHodograph, Lincoln, IL at 12:00Z on 2019-05-26The wind through the lowest 10 kilometers as a curve, rings every 10 meters per second labeled in knots. Zero to 1 km storm-relative helicity -65 square meters per square second, 0 to 6 km bulk shear 55 knots.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km. RM and LM are the right and left moving storms Bunkers' method gives; the shaded area is the 0 to 1 km storm-relative helicity.
Mixed-layer CAPE
29 J/kg
Mixed-layer CIN
-254 J/kg
Surface CAPE
132 J/kg
Mixed-layer LCL
1140 m above ground
0-6 km bulk shear
55 kt
0-1 km bulk shear
13 kt
0-1 km storm-relative helicity
-65 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0
0-3 km lapse rate
4.6 K/km

Open this sounding in Storm Lab

The radar

The Lincoln radar (KILX), 97 km away, was scanning. The volume nearest the touchdown began at 06:26 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.

What was reported nearby

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

Time (UTC)ReportWhereCountyRemark
05:27 UTCHAIL 13 Wnw ChampaignChampaign, IL
05:46 UTCTSTM WND DMGOreanaMacon, ILVEHICLE HIT BY FALLING TREE WHILE TRAVELING ON KIRBY ROAD. NO INJURIES.
05:49 UTCTSTM WND DMGArgentaMacon, ILSHED BLOWN INTO NEIGHBORS YARD
05:49 UTCTSTM WND DMGArgentaMacon, ILTREES AND POWERLINES DOWN
05:49 UTCTSTM WND DMGOreanaMacon, IL30X50 FOOT QUONSET HUT DESTROYED.
06:16 UTCTSTM WND DMG3 W CatlinVermilion, ILMETAL ROOF AND SIDING RIPPED OFF A BARN
06:16 UTCTSTM WND DMGSadorusChampaign, ILTREE DOWN ON RAILROAD TRACKS
06:20 UTCTSTM WND DMG1 S Willard AirportChampaign, ILBROKEN TREE BRANCHES
06:23 UTCTSTM WND DMGTolonoChampaign, ILLARGE TREE BROKEN
06:25 UTCTSTM WND DMGChampaignChampaign, ILBROKEN TREES AND WINDOWS BLOWN OUT OF A HOUSE ON BROADMOOR.
06:25 UTCTSTM WND GST 63SavoyChampaign, ILAT KCMI ASOS
06:27 UTCTSTM WND DMG2 Ne Willard AirportChampaign, ILTREE UPROOTED. DELAYED REPORT.
06:27 UTCHAIL 13 Wnw ChampaignChampaign, IL
06:28 UTCHAIL 0.88ChampaignChampaign, ILSOUTHWEST SIDE OF CHAMPAIGN
06:30 UTCTSTM WND DMGUrbanaChampaign, ILNUMEROUS TREES DOWN. ROOF DAMAGE TO A HOUSE.
06:30 UTCTSTM WND DMGUrbanaChampaign, ILROOF BLOWN OFF ONE HOUSE, PARTIAL GARAGE COLLAPSE, TREE FELL ON THE ROOF OF A HOUSE ACROSS THE STREET.
06:39 UTCTSTM WND DMG2 N HomerChampaign, ILROOF PARTIALLY TORN OFF METAL FARM BUILDING. DELAYED REPORT.
06:40 UTCTSTM WND DMG1 S St. JosephChampaign, ILDELAYED REPORT. TWO LARGE TREES FELL ON HOUSE. SEVERAL LARGE TREES ON PROPERTY EITHER SNAPPED OR UPROOTED. TIME ESTIMATED.
06:42 UTCTSTM WND DMGRoyalChampaign, ILSEVERAL TREES DOWN
06:47 UTCTSTM WND GST 57SidneyChampaign, IL
06:55 UTCHAIL 1PotomacVermilion, IL
07:00 UTCTSTM WND DMGDanvilleVermilion, ILSCATTERED TREES DOWN IN DANVILLE
07:00 UTCTSTM WND GST 60TiltonVermilion, ILAT COUNTY EOC
07:15 UTCTSTM WND GST 52Vermilion County AirporVermilion, IL

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

This ground now

The live radar over the trackEvery 2019 tornado in IllinoisEvery tornado in Illinois since 1950Warnings in force in Illinois nowThe forecast where you are

The other tornadoes of May 26, 2019

37 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
May 261:15 AM CDTEF0McIntosh, OK0.275
May 261:23 AM CDTEF1Champaign, IL0.9250
May 261:35 AM CDTEF1Champaign, IL1.0250
May 261:44 AM CDTEF0Mayes, OK3.2300
May 262:30 AM CDTEF0Washington, AR1.5100
May 261:57 PM MDTEF0Bingham, ID1.8100$1,000
May 262:38 PM MDTUnratedProwers, CO0.320
May 262:54 PM MDTUnratedBent, CO0.320
May 264:36 PM CDTEF0Thomas, KS1.0100$42,000
May 264:10 PM MDTUnratedKiowa, CO0.320
May 264:38 PM MDTEF0Weld, CO0.025
May 264:53 PM MDTEF0Weld, CO0.025
May 264:55 PM MDTEF0Union, NM21.775
May 265:27 PM MDTEF0Weld, CO0.025
May 265:37 PM MDTEF0Adams, CO0.025
May 265:50 PM MDTEF0Union, NM2.650
May 265:58 PM MDTEF0Lincoln, CO0.050
May 266:04 PM MDTEF0Chaves, NM2.450
May 267:21 PM CDTEF1Franklin, NE1.9500$125,000
May 266:25 PM MDTEF0Roosevelt, NM0.850
May 267:25 PM CDTEF0Oldham, TX0.350
May 268:02 PM CDTEF0Hartley, TX2.050
May 268:14 PM CDTEF0Hartley, TX5.275
May 267:20 PM MDTEF2Roosevelt, NM9.5200$2.0 million
May 267:57 PM MDTEF0Roosevelt, NM2.150
May 269:11 PM CDTEF0Bailey, TX5.050$50,000
May 269:22 PM CDTEF0Washington, KS0.150
May 269:56 PM CDTEF2Lamb, TX8.0100$150,000
May 2610:26 PM CDTEF0Castro, TX12.8100$100,000
May 2610:49 PM CDTEF1Gray, KS0.725$60,000
May 2610:51 PM CDTEF1Ford, KS1.925
May 2610:52 PM CDTEF1Ford, KS1.825
May 2611:07 PM CDTEF1Ford, KS3.150
May 2611:14 PM CDTEF0Hodgeman, KS1.725
May 2611:28 PM CDTEF1Hodgeman, KS1.325$60,000
May 2612:00 AM CDTEF1Pratt, KS8.9100
May 2612:25 AM CDTEF0Oldham, TX1.550

What this means

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.

Sources

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