Tornadoes · United States · Texas · 2017

EF1 tornado, Tenneryville to Judson, Texas, March 29, 2017

From Tenneryville to Judson, this EF1 tornado ran 6.0 miles across Gregg County on March 29, 2017, touching down at 5:38 AM CDT and reaching 480 yards wide. It killed nobody, and did $60,000 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
March 29, 2017
Touchdown
5:38 AM CDT (10:38 UTC)
Lifted
5:49 AM CDT (10:49 UTC)
On the ground
11 minutes
Path length
6.0 miles (9.6 km)
Path width
480 yards (439 m)
Deaths
0
Injuries
0
Property damage
$60,000
County
Gregg County
Touchdown point
32.528, -94.798
Lift-off point
32.573, -94.710
Record number
1703290438-01

The damage survey

56 damage points were recorded along this path by NWS SHV, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EF1. The highest wind the damage implies is 107 mph.

  • 2 trees uproots pointed different directions.
  • landed on the back side of the house.
  • several large branches down on roofs.

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

A squall line which originally developed over West Texas during the late morning and early afternoon hours on March 28th ahead of a closed low over Central New Mexico, marched east across much of Texas during the afternoon and evening hours along the eastward advancing dryline, producing widespread reports of wind damage and large hail over these areas. These storms marched east into East Texas shortly after 4 am on March 29th, but began to weaken with the loss of instability, with wind gusts of 35 to 45 mph common before they pushed into Western Louisiana and Southwest Arkansas shortly after daybreak. These winds did result in some large branches being downed north of Marshall, with even an isolated tornado having touched down along the north side of Longview. These storms diminished during the late morning hours across SouthCentral Arkansas and Northcentral Louisiana, leaving behind a mesoscale boundary which focused additional scattered shower and thunderstorm development during the late afternoon hours with increased heating over these areas.

An EF-1 tornado with maximum estimated winds of 100-110 mph touched down along Reel Road just north of West Loop 281, primarily snapping and uprooting trees. A tree did fall on the back side of one house at the corner of Reel Road and Buckner Street, damaging the house. Several homes had roof damage in the Hobson Road area, and several fences were blown over as well. The cross at the Grace Crossing United Methodist Church was leaning significantly and a light pole was also bent in this area. The tornado partially lifted the roof at the Judson Road Animal Clinic. One home and two cars were crushed by trees along Mary Ellen Drive. Another home along Airline Road lost several shingles as well as several trees on the property were snapped or uprooted. The tornado finally lifted just east of Sam Page 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.

Issued (UTC)ExpiredProductOffice
15:00 UTC00:00 UTCLake Wind AdvisorySHV

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 05:57 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.

Shreveport, LA (KBAD), 00:00Z

10.6 hours before the tornado, 94 km from the path. March 29, 2017.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 00:00Z on 2017-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 701 joules per kilogram, CIN -57, lifted condensation level 1648 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, Shreveport, LA at 00:00Z on 2017-03-29The 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 59 square meters per square second, 0 to 6 km bulk shear 31 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
701 J/kg
Mixed-layer CIN
-57 J/kg
Surface CAPE
2264 J/kg
Mixed-layer LCL
1648 m above ground
0-6 km bulk shear
31 kt
0-1 km bulk shear
9 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.1
0-3 km lapse rate
6.8 K/km

Open this sounding in Storm Lab

Shreveport, LA (KBAD), 12:00Z

1.4 hours after it, 94 km from the path. March 29, 2017.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 12:00Z on 2017-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 348 joules per kilogram, CIN -59, lifted condensation level 756 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, Shreveport, LA at 12:00Z on 2017-03-29The 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 237 square meters per square second, 0 to 6 km bulk shear 42 knots.193958Sfc1 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
348 J/kg
Mixed-layer CIN
-59 J/kg
Surface CAPE
484 J/kg
Mixed-layer LCL
756 m above ground
0-6 km bulk shear
42 kt
0-1 km bulk shear
36 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
273 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.6
0-3 km lapse rate
5.6 K/km

Open this sounding in Storm Lab

The radar

The Shreveport radar (KSHV), 86 km away, was scanning. The volume nearest the touchdown began at 10:39 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
10:38 UTCTORNADO2 Wnw LongviewGregg, TXAN EF1 TORNADO TOUCHED DOWN ALONG REEL ROAD JUST NORTH OF WEST LOOP 281, PRIMARILY SNAPPING AND UPROOTING TREES. A TREE DID FALL ON THE BACK SIDE OF ONE HOUSE AT THE CORNER OF REEL ROAD AND BUCKNER ROAD AREA, AND SEVERAL
10:40 UTCTSTM WND DMG2 N LongviewGregg, TXTREE DAMAGED HOME ON MASTERS WAY.
10:40 UTCTSTM WND DMG2 N LongviewGregg, TXTREE FELL ON HOME ON RIVIERA DR.
10:40 UTCTSTM WND DMG2 Nnw LongviewGregg, TXLARGE TREE FELL ON RESIDENTIAL STRUCTURE ON OAK CREEK RIDGE DR.
10:40 UTCTSTM WND DMG2 Wnw LongviewGregg, TXLARGE TREES ACROSS REEL ROAD.
10:40 UTCTSTM WND DMG3 Nne LongviewGregg, TXDAMAGE TO ROOF SHINGLES AT HOME ON AIRLINE ROAD.
10:40 UTCTSTM WND DMG3 Nne LongviewGregg, TXDAMAGE TO SHINGLES AND FASCIA AT HOME ON HILL STREET.
10:40 UTCTSTM WND DMG3 Nne LongviewGregg, TXLARGE TREE LIMB FELL ON HOME ON MARY ELLEN DRIVE.
10:40 UTCTSTM WND DMG3 Nne LongviewGregg, TXMETAL ROOF BLOWN OFF JUDSON ROAD ANIMAL CLINIC.
10:40 UTCTSTM WND DMG3 Nne LongviewGregg, TXUPROOTED TREES DAMAGED 3 HOMES AND 2 VEHICLES ON HILL STREET.
10:40 UTCTSTM WND DMG4 Ne LongviewGregg, TXLARGE TREE LIMB FELL ON HOME ON JESSICA DRIVE.
10:40 UTCTSTM WND DMGLongviewGregg, TXSEVERAL UPROOTED AND SNAPPED TREES ACROSS THE NORTHERN SECTIONS OF LONGVIEW, JUST NORTH OF LOOP 281.
10:55 UTCTSTM WND DMG9 Wnw NesbittHarrison, TXSEVERAL LARGE TREE BRANCHES DOWN. WIND ALSO GOT UNDER THE MOBILE HOME DISLODGING SOME OF THE SKIRT.

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 TexasEvery tornado in Texas since 1950Warnings in force in Texas nowThe forecast where you are

The other tornadoes of March 29, 2017

17 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
March 292:08 AM CDTEF0Tarrant, TX6.5200$300,000
March 292:10 AM CDTEF0Tarrant, TX11.4500$100,000
March 292:31 AM CDTEF1Denton, TX1.6130$600,000
March 2910:34 AM CDTEF0Harris, TX0.350$150,000
March 291:23 PM CDTEF0Liberty, TX0.120
March 292:55 PM CDTEF1Harris, TX0.450$27,000
March 293:00 PM CDTEF0Harris, TX2.0200$100,000
March 293:03 PM CDTEF1Harris, TX2.72502$300,000
March 293:13 PM CDTEF1Tyler, TX1.3600$60,000
March 293:25 PM CDTEF1Tyler, TX0.5300$20,000
March 293:35 PM CDTEF0Chambers, TX0.130
March 294:12 PM CDTEF1Jasper, TX0.425$10,000
March 294:34 PM CDTEF1Newton, TX12.2800$50,000
March 297:23 PM CDTEF1Pope, AR2.4150
March 298:11 PM CDTEF2Allen Parish, LA3.6100$125,000
March 2911:00 PM CDTEF1Dent, MO2.5200$50,000
March 2911:16 PM CDTEF1Wilkinson, MS2.3200

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.