Tornadoes · United States · Oklahoma · 2016

EF1 tornado, Jones to Arcadia Lake, Oklahoma, April 26, 2016

From Jones to Arcadia Lake, this EF1 tornado ran 10.0 miles across Oklahoma County on April 26, 2016, touching down at 8:43 PM CDT and reaching 150 yards wide. It killed nobody, and did $10,000 of property damage.

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
April 26, 2016
Touchdown
8:43 PM CDT (01:43 UTC)
Lifted
8:53 PM CDT (01:53 UTC)
On the ground
10 minutes
Path length
10.0 miles (16.1 km)
Path width
150 yards (137 m)
Deaths
0
Injuries
0
Property damage
$10,000
County
Oklahoma County
Touchdown point
35.606, -97.336
Lift-off point
35.701, -97.219
Record number
1604261943-01

What the Weather Service recorded

The 26th began with a few isolated storms forming out ahead of the dryline and becoming severe. Later in the afternoon, the dryline surged east and storms fired along the boundary. These storms quickly became severe and gradually merged into a line as they moved eastward through the evening.

A tornado touched down near Westminister and Memorial Roads and moved northeast dissipating northeast of Triple XXX Road and Coffee Creek Road. One house near the end of the tornado path suffered significant roof damage. Otherwise, damage along the path was primarily to trees and power lines.

A barn was damaged near the beginning of the tornado path. A swath of trees were damaged as the tornado moved northeast crossing into Logan County between Anderson Road and Hiwassee Road.

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. One was issued for the county at another hour that day.

The county was under a tornado watch, issued at 19:33 UTC and running to 03:09 UTC.

Issued (UTC)ExpiredProductOffice
14:36 UTC15:08 UTCSevere Thunderstorm WarningOUN
19:33 UTC03:09 UTCTornado WatchOUN
00:01 UTC00:45 UTCSevere Thunderstorm WarningOUN
01:10 UTC02:00 UTCSevere Thunderstorm WarningOUN
01:26 UTC05:00 UTCFlood AdvisoryOUN
01:41 UTC02:30 UTCSevere Thunderstorm WarningOUN
01:45 UTC02:02 UTCTornado WarningOUN
11:49 UTC14:00 UTCDense Fog AdvisoryOUN

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 Enhanced Risk, with a 0.05 chance of a tornado within 25 miles. The outlook in force was issued at 00:47 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.

Norman, OK (KOUN), 00:00Z

1.7 hours before the tornado, 49 km from the path. April 27, 2016.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2016-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 2869 joules per kilogram, CIN -6, lifted condensation level 1035 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, Norman, OK at 00:00Z on 2016-04-27The 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 178 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
2869 J/kg
Mixed-layer CIN
-6 J/kg
Surface CAPE
3868 J/kg
Mixed-layer LCL
1035 m above ground
0-6 km bulk shear
41 kt
0-1 km bulk shear
27 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
2.2
Supercell composite
13.0
0-3 km lapse rate
6.1 K/km

Open this sounding in Storm Lab

Norman, OK (KOUN), 12:00Z

10.3 hours after it, 49 km from the path. April 27, 2016.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2016-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 119 joules per kilogram, CIN -271, lifted condensation level 1775 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, Norman, OK at 12:00Z on 2016-04-27The 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 94 square meters per square second, 0 to 6 km bulk shear 73 knots.1939587897117Sfc1 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
119 J/kg
Mixed-layer CIN
-271 J/kg
Surface CAPE
506 J/kg
Mixed-layer LCL
1775 m above ground
0-6 km bulk shear
73 kt
0-1 km bulk shear
13 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0
0-3 km lapse rate
5.6 K/km

Open this sounding in Storm Lab

The surface observations

Guthrie (GOK), 25 km from the path, in the two hours either side.

Time (UTC)Temp (°F)Dew point (°F)WindGust (kt)Pressure (mb)Weather
23:53 UTC7665160° 10 kt999
00:49 UTC75.264.4170° 10 kt999.3TS HZ
00:53 UTC7565160° 12 kt999.3-TSRA
01:51 UTC60.855.4290° 20 kt341003+TSRA BR
01:53 UTC5956310° 16 kt331002.7+TSRA BR
01:56 UTC5956310° 19 kt301001.7+TSRA BR
02:04 UTC5856270° 10 kt301004.1TS FG
02:20 UTC5857300° 10 kt201004.1TSRA BR
02:23 UTC5957300° 10 kt1004.1TSRA BR
02:31 UTC5957310° 6 kt1004.4TSRA BR
02:53 UTC595650° 5 kt1005.4-TSRA BR
03:02 UTC595770° 6 kt1005.4RA BR
03:12 UTC595780° 9 kt1005.1VCTS RA BR
03:22 UTC595770° 12 kt1004.4TSRA BR

From the Iowa Environmental Mesonet's archive of airport observations.

The radar

The Norman radar (KTLX), 36 km away, was scanning. The volume nearest the touchdown began at 01:43 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
00:14 UTCHAIL 12 Ssw NormanCleveland, OK
01:08 UTCTORNADO1 Ne MustangCanadian, OKAN EF0 TORNADO DEVELOPED NEAR SOUTHWEST 59TH STREET AND SARA ROAD AND MOVED NORTHEAST INTO OKLAHOMA COUNTY NEAR SOUTHWEST 29TH STREET. TREES... POWER LINES AND OUTBUILDINGS WERE DAMAGED. THIS TORNADO WAS EMBEDDED WITHIN
01:08 UTCTORNADO1 Ne MustangCanadian, OKAN EF1 TORNADO DEVELOPED NEAR SOUTHWEST 59TH STREET AND SARA ROAD AND MOVED NORTHEAST INTO OKLAHOMA COUNTY NEAR SOUTHWEST 29TH STREET. TREES... POWER LINES AND OUTBUILDINGS WERE DAMAGED. THIS TORNADO WAS EMBEDDED WITHIN
01:15 UTCTSTM WND DMG1 Ne MustangCanadian, OKPOWERLINES DOWN.
01:15 UTCTSTM WND DMG1 Se CoyleLogan, OKTREE FELL ON A BARN.
01:18 UTCHAIL 1YukonCanadian, OK
01:20 UTCTSTM WND DMGBethanyOklahoma, OKWIND DAMAGE TO HOME DEPOT. STORAGE UNIT WITH ROOF DAMAGE.
01:25 UTCHAIL 13 N The VillageOklahoma, OK
01:36 UTCTSTM WND GST 911 E Will Rogers AirportOklahoma, OKINSTRUMENT USED TO MEASURE IS UNKNOWN.
01:43 UTCTORNADO4 Nw JonesOklahoma, OKAN EF1 TORNADO DEVELOPED SOUTH OF WESTMINISTER ROAD AND MEMORIAL ROAD. THE TORNADO SIGNIFICANTLY DAMAGED THE ROOF OF A HOME 3 MILES NORTH-NORTHWEST OF LUTHER. THE TORNADO WAS EMBEDDED WITHIN A LARGE AREA OF THUNDERSTORM
02:00 UTCTSTM WND DMG3 N ArcadiaOklahoma, OKMANY TREES AND A BARN DAMAGED.
02:10 UTCTSTM WND DMG3 Sw TryonLincoln, OKROOF BLOWN OFF A BARN AND LARGE TREE BLOWN DOWN.
02:10 UTCTSTM WND DMGShawneePottawatomie, OKPOWER LINES DOWNED.
02:14 UTCTSTM WND GST 623 Sw ParklandLincoln, OK
02:32 UTCTSTM WND GST 601 S StroudLincoln, OK

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

This ground now

The live radar over the trackEvery 2016 tornado in OklahomaEvery tornado in Oklahoma since 1950Warnings in force in Oklahoma nowThe forecast where you are

The other tornadoes of April 26, 2016

35 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
April 2612:52 PM CDTEF1Warren, MO5.5100
April 261:24 PM CDTEF0Saint Charles, MO0.350
April 263:47 PM CDTEF0Geary, KS0.010
April 263:58 PM CDTEF0Sumner, KS1.150
April 265:38 PM CDTEF1Vanderburgh, IN7.5250$250,000
April 265:42 PM CDTEF0Shawnee, KS0.020
April 265:47 PM CDTEF0Haskell, TX1.525
April 267:20 PM EDTEF0Greene, IN0.175$15,000
April 267:47 PM CDTEF0Smith, KS0.3100
April 268:08 PM CDTEF0Canadian, OK4.150$12,000
April 268:49 PM CDTEF0Oklahoma, OK3.7100$4,000
April 269:22 PM CDTEF0Grayson, TX0.280$200,000
April 269:44 PM CDTEF1Osage, OK3.8450
April 269:50 PM CDTEF1Pontotoc, OK2.0200$20,000
April 269:52 PM CDTEF1Osage, OK6.9900$15,000
April 2610:00 PM CDTEF1Creek, OK5.6550$20,000
April 2610:00 PM CDTEF1Pawnee, OK7.0800$150,000
April 2610:00 PM CDTEF0Grayson, TX2.41505$450,000
April 2610:11 PM CDTEF0Grayson, TX6.075$80,000
April 2610:18 PM CDTEF1Tulsa, OK3.8600$150,000
April 2610:26 PM CDTEF1Tulsa, OK2.7350$100,000
April 2610:36 PM CDTEF1Tulsa, OK1.0150$10,000
April 2611:11 PM CDTEF1McIntosh, OK7.5400$100,000
April 2611:16 PM CDTEF0Craig, OK10.1500$20,000
April 2611:34 PM CDTEF1Muskogee, OK5.1800$50,000
April 2611:35 PM CDTEF0Mayes, OK4.7750$20,000
April 2611:46 PM CDTEF1Cherokee, OK7.2700$150,000
April 2611:58 PM CDTEF1Delaware, OK10.1850$100,000
April 2612:03 AM CDTEF1Pushmataha, OK1.5500$125,000
April 2612:07 AM CDTEF1Ottawa, OK1.6350$150,000
April 2612:21 AM CDTEF1Newton, MO0.8150$50,000
April 2612:23 AM CDTEF1Sequoyah, OK4.3500$25,000
April 2612:29 AM CDTEF1Benton, AR9.1600$50,000
April 2612:41 AM CDTEF1Benton, AR2.0350$30,000
April 2612:53 AM CDTEF1Crawford, AR2.4300$50,000

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.