Tornadoes · United States · Kansas · 2017

EF0 tornado, Hoxie, Kansas, May 26, 2017

This EF0 tornado ran 0.3 miles across Sheridan County on May 26, 2017, touching down at 11:45 PM CDT and reaching 30 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 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.

The record

Rating
EF0
Date
May 26, 2017
Touchdown
11:45 PM CDT (04:45 UTC)
Path length
0.3 miles (0.4 km)
Path width
30 yards (27 m)
Deaths
0
Injuries
0
County
Sheridan County
Touchdown point
39.430, -100.440
Lift-off point
39.430, -100.440
Record number
1705262245-01

What the Weather Service recorded

A supercell, moving out of eastern Yuma and Kit Carson county in Colorado, crossed into Kansas during the evening of May 26th. The supercell produced large hail, damaging wind gusts, and several reports of tornadoes. Following this storm were two more lines of severe storms aligned with a theta-e axis that moved from west to east through the evening, producing additional hail, damaging wind gusts, and flash flooding.

Farmer reported a brief tornado. Report relayed by Sheridan County Sheriff's Office.

Chaser reported a rotating wall cloud with a visible debris swirl on the ground.

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

The warnings

26 minutes of warning. NWS GLD issued a tornado warning for this county at 04:19 UTC, 26 minutes before the tornado touched down, in force until 05:00 UTC.

The county was under a severe thunderstorm watch, issued at 00:38 UTC and running to 08:00 UTC.

Issued (UTC)ExpiredProductOffice
00:38 UTC08:00 UTCSevere Thunderstorm WatchGLD
03:40 UTC04:30 UTCSevere Thunderstorm WarningGLD
03:59 UTC04:30 UTCTornado WarningGLD
04:19 UTC05:00 UTCTornado WarningGLD
04:54 UTC05:09 UTCTornado WarningGLD
04:57 UTC06:00 UTCSevere Thunderstorm WarningGLD
05:08 UTC05:29 UTCSevere Thunderstorm WarningGLD
05:47 UTC06:37 UTCSevere Thunderstorm WarningGLD
13:56 UTC17:00 UTCFlood WarningGLD

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 Slight Risk, with a 0.02 chance of a tornado within 25 miles. The outlook in force was issued at 00:56 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 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.

N. Platte/Lee Bi, NE (KLBF), 00:00Z

4.8 hours before the tornado, 190 km from the path. May 27, 2017.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2017-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 0 joules per kilogram, CIN -97705, lifted condensation level 2176 meters above ground. Wind barbs in knots down the right edge.LCL10008507005003002001001 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, N. Platte/Lee Bi, NE at 00:00Z on 2017-05-27The 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 63 square meters per square second, 0 to 6 km bulk shear 41 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
0 J/kg
Mixed-layer CIN
-97705 J/kg
Surface CAPE
152 J/kg
Mixed-layer LCL
2176 m above ground
0-6 km bulk shear
41 kt
0-1 km bulk shear
9 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0
0-3 km lapse rate
7.5 K/km

Open this sounding in Storm Lab

N. Platte/Lee Bi, NE (KLBF), 12:00Z

7.2 hours after it, 190 km from the path. May 27, 2017.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2017-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 0 joules per kilogram, CIN -82884, lifted condensation level 842 meters above ground. Wind barbs in knots down the right edge.LCL10008507005003002001001 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, N. Platte/Lee Bi, NE at 12:00Z on 2017-05-27The 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 92 square meters per square second, 0 to 6 km bulk shear 45 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
0 J/kg
Mixed-layer CIN
-82884 J/kg
Surface CAPE
0 J/kg
Mixed-layer LCL
842 m above ground
0-6 km bulk shear
45 kt
0-1 km bulk shear
9 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0
0-3 km lapse rate
4.3 K/km

Open this sounding in Storm Lab

The radar

The Goodland radar (KGLD), 109 km away, was scanning. The volume nearest the touchdown began at 04:44 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
03:33 UTCHAIL 1.252 Ssw ColbyThomas, KS
03:36 UTCHAIL 1.75ColbyThomas, KS
03:42 UTCHAIL 0.254 N ColbyThomas, KS
03:42 UTCHAIL 14 N ColbyThomas, KS
03:43 UTCHAIL 1.52 Sse ColbyThomas, KS
03:47 UTCHAIL 1ColbyThomas, KS
03:48 UTCHAIL 1ColbyThomas, KSREPORT OF ESTIMATED WIND OF 75 TO 80 MPH. WIND DRIVEN HAIL SHATTERED THE BACK OF A CAR WINDOW.
04:35 UTCTORNADO5 Nw HoxieSheridan, KSFARMER REPORTED A BRIEF TOUCHDOWN. REPORT RELAYED BY SHERIDAN COUNTY SO.
04:45 UTCTORNADO5 N HoxieSheridan, KSCHASER REPORTED WALL CLOUD WITH DEBRIS SWIRL VISIBLE ON THE GROUND.
04:50 UTCTSTM WND GST 0ColbyThomas, KSKSCOLBY9 REPORTED SUSTAINED WIND 58, GUSTING TO 58 KT.
04:50 UTCTSTM WND GST 67ColbyThomas, KS
04:51 UTCHAIL 0.254 N ColbyThomas, KS
05:12 UTCHAIL 17 Ne HoxieSheridan, KS
05:23 UTCTSTM WND GST 70AngelusSheridan, KS
05:28 UTCHAIL 0.88MenloThomas, KS
05:37 UTCTSTM WND GST 634 Nne HoxieSheridan, KS
05:45 UTCTORNADO5 S GrainfieldGove, KSRELAYED VIA WFO PUEBLO
06:20 UTCTSTM WND GST 602 W QuinterGove, KSZERO VISIBILITY IN BLOWING DUST. ALSO NICKEL SIZED HAIL.
06:22 UTCFUNNEL CLOUD3 W GoveGove, KS
07:30 UTCHEAVY RAIN 1.64 Se LenoraNorton, KSLOCATION IS AT THE PONDEROSA IN NORTON COUNTY, KANSAS.

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

This ground now

The live radar over the trackEvery 2017 tornado in KansasEvery tornado in Kansas since 1950Warnings in force in Kansas nowThe forecast where you are

The other tornadoes of May 26, 2017

6 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
May 2612:40 PM MDTEF0Sweetwater, WY11.430$1,000
May 264:20 PM MDTEF0Washington, CO0.025
May 265:53 PM CDTEF1Vermilion, IL0.375$45,000
May 265:15 PM MDTEF0Washington, CO0.025
May 266:45 PM MDTEF0Yuma, CO0.575
May 2611:35 PM CDTEF0Sheridan, KS0.350

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.