Tornadoes · United States · Texas · 2020
EF0 tornado, Senate, Texas, March 18, 2020
This EF0 tornado ran 0.7 miles across Jack County on March 18, 2020, touching down at 10:21 PM CDT and reaching 46 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.
EF065 to 85 mphthis tornado
Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.
EF186 to 110 mph
Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.
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.
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.
EF4166 to 200 mph
Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.
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.
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
- March 18, 2020
- Touchdown
- 10:21 PM CDT (03:21 UTC)
- Lifted
- 10:23 PM CDT (03:23 UTC)
- On the ground
- 2 minutes
- Path length
- 0.7 miles (1.1 km)
- Path width
- 46 yards (42 m)
- Deaths
- 0
- Injuries
- 0
- County
- Jack County
- Touchdown point
- 33.163, -98.289
- Lift-off point
- 33.165, -98.277
- Record number
- 2003182121-01
What the Weather Service recorded
An upper level trough near the region contributed to several rounds of severe weather over a 2 day period. The first round was an MCS that resulted in flooding across parts of North Texas. The second round resulted in a few tornadoes to the west and northwest of the DFW Metroplex. The final round was afternoon convection that produced some small hail around the DFW Metroplex.
A tornado began in southwestern Jack County approximately 1 mile south of US-380 just east of Marley Road. The tornado briefly touched down and moved from southwest to northeast, and its damage was confined to trees in the area. Several tree trunks were snapped halfway up the trunk or uprooted in-tact. Many of the surrounding trees also had small to large branches broken. The tornado then lifted before reaching Dark Corner Road. Maximum winds with this tornado were estimated at 100 mph.
From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.
The warnings
1 minute of warning. NWS FWD issued a tornado warning for this county at 03:20 UTC, 1 minute before the tornado touched down, in force until 04:00 UTC.
The county was under a tornado watch, issued at 21:48 UTC and running to 05:00 UTC.
| Issued (UTC) | Expired | Product | Office |
|---|---|---|---|
| 21:48 UTC | 05:00 UTC | Tornado Watch | FWD |
| 01:20 UTC | 02:15 UTC | Severe Thunderstorm Warning | FWD |
| 01:48 UTC | 02:30 UTC | Tornado Warning | FWD |
| 03:20 UTC | 04:00 UTC | Tornado Warning | FWD |
| 03:33 UTC | 06:30 UTC | Flash Flood Warning | FWD |
| 07:20 UTC | 09:54 UTC | Tornado Watch | FWD |
| 08:17 UTC | 09:00 UTC | Tornado Warning | FWD |
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 0.10 chance of a tornado within 25 miles, in the hatched area where significant tornadoes were expected. The outlook in force was issued at 00:48 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.
Fort Worth, TX (KFWD), 00:00Z
3.4 hours before the tornado, 100 km from the path. March 19, 2020.
- Mixed-layer CAPE
- 1265 J/kg
- Mixed-layer CIN
- -2 J/kg
- Surface CAPE
- 2645 J/kg
- Mixed-layer LCL
- 888 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 11.8
- 0-3 km lapse rate
- 7.1 K/km
Fort Worth, TX (KFWD), 12:00Z
8.6 hours after it, 100 km from the path. March 19, 2020.
- Mixed-layer CAPE
- 138 J/kg
- Mixed-layer CIN
- -258 J/kg
- Surface CAPE
- 815 J/kg
- Mixed-layer LCL
- 914 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 690 m²/s²
- 0-3 km storm-relative helicity
- 686 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
- 0-3 km lapse rate
- 5.6 K/km
The surface observations
Graham_muni_arpt (RPH), 26 km from the path, in the two hours either side.
| Time (UTC) | Temp (°F) | Dew point (°F) | Wind | Gust (kt) | Pressure (mb) | Weather |
|---|---|---|---|---|---|---|
| 01:35 UTC | 65.3 | 63 | 120° 9 kt | 16 | 1011.2 | -RA |
| 01:55 UTC | 65.5 | 63 | 90° 6 kt | 1010.8 | -DZ | |
| 02:15 UTC | 65.3 | 64 | 100° 5 kt | 1010.8 | RA | |
| 02:35 UTC | 66.6 | 65.8 | 130° 11 kt | 14 | 1011.5 | +RA |
| 02:55 UTC | 65.8 | 65.3 | 20° 7 kt | 20 | 1011.2 | +RA |
| 03:15 UTC | 66.2 | 64.6 | 110° 5 kt | 1011.5 | ||
| 03:35 UTC | 65.7 | 64.4 | 0° 0 kt | 1011.5 | ||
| 03:55 UTC | 65.5 | 64 | 180° 4 kt | 1011.2 | ||
| 04:15 UTC | 64.4 | 63.5 | 150° 3 kt | 1011.5 | ||
| 04:35 UTC | 62.8 | 62 | 130° 4 kt | 1011.5 | ||
| 04:55 UTC | 62 | 61.7 | 110° 4 kt | 1011.2 | ||
| 05:15 UTC | 61.7 | 61.2 | 110° 3 kt | 1010.8 |
From the Iowa Environmental Mesonet's archive of airport observations.
The radar
The Dallas/Ft Worth radar (KFWS), 113 km away, was scanning. The volume nearest the touchdown began at 03:18 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) | Report | Where | County | Remark |
|---|---|---|---|---|
| 01:56 UTC | TORNADO | 7 Ese Jacksboro | Jack, TX | NWS SURVEY TEAM FOUND EF-0 DAMAGE TO A MANUFACTURED BUILDING AND TREES SOUTHEAST OF JACKSBORO. PATH LENGTH 1.8 MILES. WIDTH 55 YARDS. ESTIMATED PEAK WINDS 80 MPH. |
| 02:09 UTC | TORNADO | 6 Se Jacksboro | Jack, TX | TORNADO REPORTED NORTH OF HIGHWAY 199 6 MILES SOUTHEAST OF JACKSBORO |
| 02:20 UTC | TORNADO | 5 Nw Lake Bridgeport | Wise, TX | NWS SURVEY FOUND EVIDENCE OF EF-1 DAMAGE TO A HOME ALONG MOONLIGHT BAY DRIVE. ROOF WAS PARTIALLY TORN OFF OF ONE HOUSE. SIGNIFICANT TREE DAMAGE ALONG PATH. 2 MOBILE HOMES DAMAGED. PATH LENGTH 4.1 MILES. WIDTH 575 YARDS. |
| 02:24 UTC | TORNADO | 9 Sw Graham | Young, TX | *** 2 INJ *** NWS SURVEY TEAM FOUND EVIDENCE OF EF-1 DAMAGE ALONG HWY 67 NEAR GRAHAM. MULTIPLE HOMES DAMAGED ALONG ROSSER RANCH ROAD. SEVERAL HOMES AND BUSINESSES DAMAGED NEAR SOUTH BEND. PATH LENGTH 5.2 MILES. WIDTH 375 |
| 02:34 UTC | TSTM WND DMG | South Bend | Young, TX | DAMAGE TO HOMES, TREES AND POWER LINES AT HIGHWAY 67 AND FM 701 IN SOUTH BEND |
| 02:36 UTC | TORNADO | 5 Sse Graham | Young, TX | *** 1 INJ *** EF-0 DAMAGE WAS CONFINED TO MAINLY TREES AND ONE HOME WHICH SUSTAINED ROOF DAMAGE. THIS OCCURRED SOUTH OF PETTUS LN NEAR HWY 16. PATH LENGTH 1.5 MILES. WIDTH 120 YARDS. ESTIMATED PEAK WINDS 80 MPH. |
| 02:44 UTC | TSTM WND DMG | South Bend | Young, TX | WIND DAMAGE REPORTED IN SOUTH BEND ON HIGHWAY 67 |
| 02:56 UTC | TSTM WND DMG | Bridgeport | Wise, TX | NUMEROUS LARGE TREES DOWN IN BRIDGEPORT |
| 03:01 UTC | TSTM WND DMG | 4 S Graham | Young, TX | HOUSES DAMAGED ON ROSSER RANGE ROAD OFF OF HIGHWAY 67. |
| 03:21 UTC | TORNADO | 6 E Bryson | Jack, TX | EF-1 DAMAGE WAS CONFINED TO TREES SOUTH OF US 380. PATH LENGTH 0.7 MILES. WIDTH 45 YARDS. ESTIMATED PEAK WINDS 100 MPH. |
From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.
This ground now
The live radar over the trackEvery 2020 tornado in TexasEvery tornado in Texas since 1950Warnings in force in Texas nowThe forecast where you are
The other tornadoes of March 18, 2020
6 more were confirmed in the United States that day.
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|---|---|---|---|---|---|---|---|
| March 18 | 8:56 PM CDT | EF0 | Jack, TX | 1.8 | 55 | $25,000 | ||
| March 18 | 9:04 PM CDT | EF0 | Stephens, TX | 1.5 | 12 | |||
| March 18 | 9:20 PM CDT | EF0 | Wise, TX | 4.0 | 575 | $70,000 | ||
| March 18 | 9:24 PM CDT | EF0 | Young, TX | 5.2 | 375 | 2 | ||
| March 18 | 9:36 PM CDT | EF0 | Young, TX | 1.6 | 120 | 1 | $3,000 | |
| March 18 | 10:07 PM CDT | EF0 | Wise, TX | 0.8 | 100 | $1,000 |
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.