Tornadoes · United States · Texas · 2000

F3 tornado, Caldwell, Texas, March 10, 2000

This F3 tornado ran 21.0 miles across Burleson County on March 10, 2000, touching down at 7:55 PM CST and reaching 800 yards wide. It killed nobody and injured 2, and did $1.0 million of property damage.

The rating scale

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

  1. F040 to 72 mph

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

  2. F173 to 112 mph

    Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.

  3. F2113 to 157 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. F3158 to 206 mphthis tornado

    Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.

  5. F4207 to 260 mph

    Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.

  6. F5261 to 318 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
F3
Date
March 10, 2000
Touchdown
7:55 PM CST (01:55 UTC)
Path length
21.0 miles (33.8 km)
Path width
800 yards (732 m)
Deaths
0
Injuries
2
Property damage
$1.0 million
County
Burleson County
Touchdown point
30.420, -96.680
Lift-off point
30.400, -96.350
Record number
670

What the Weather Service recorded

Tornado touched down near Harmony at 1955 CST with significant tree damage including an 18 inch diameter tree blown down. A trailer was also significantly damaged. Tornado then tracked to just south of Center Line with mostly F0 tree damage along its path. Tornado then reached the Pin Oak subdivision at about 2022 CST. Several trailers, including a double-wide, were destroyed. A total of 7 homes were destroyed and another 10 severely damaged in this area, with damage reaching F2 status. Tornado then struck a ranch on the south side of FM 1361 with large trees uprooted or cut in half and windows blown out and portion of roof torn off large frame house. Several rural outbuildings at the ranch which had been bolted down were destroyed. Damage in this area was rated F3 with damage swath up to a half mile wide. Tornado then tracked to just north of Clay by 2051 CST with a narrow swath of F0 to F1 tree damage along the path. When tornado passed north of Clay before dissipating, car was blown off road and damage swath reached 200 yards wide.

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

The warnings

10 minutes of warning. NWS HGX issued a tornado warning for this county at 01:45 UTC, 10 minutes before the tornado touched down, in force until 02:15 UTC.

Issued (UTC)ExpiredProductOffice
01:20 UTC02:00 UTCSevere Thunderstorm WarningHGX
01:45 UTC02:15 UTCTornado WarningHGX
02:14 UTC03:00 UTCTornado WarningHGX

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 Moderate Risk. The outlook in force was issued at 00:49 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

1.9 hours before the tornado, 279 km from the path. March 11, 2000.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 2000-03-11Temperature 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 -85759, lifted condensation level 637 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, Fort Worth, TX at 00:00Z on 2000-03-11The 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 -15 square meters per square second, 0 to 6 km bulk shear 69 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
0 J/kg
Mixed-layer CIN
-85759 J/kg
Surface CAPE
3 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
69 kt
0-1 km bulk shear
14 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1
0-3 km lapse rate
4.5 K/km

Open this sounding in Storm Lab

Fort Worth, TX (KFWD), 12:00Z

10.1 hours after it, 279 km from the path. March 11, 2000.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 12:00Z on 2000-03-11Temperature 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 -95685, lifted condensation level 889 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, Fort Worth, TX at 12:00Z on 2000-03-11The 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 -198 square meters per square second, 0 to 6 km bulk shear 81 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
0 J/kg
Mixed-layer CIN
-95685 J/kg
Surface CAPE
0 J/kg
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
81 kt
0-1 km bulk shear
26 kt
0-1 km storm-relative helicity
-198 m²/s²
0-3 km storm-relative helicity
-65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0
0-3 km lapse rate
2.3 K/km

Open this sounding in Storm Lab

This ground now

The live radar over the trackEvery 2000 tornado in TexasEvery tornado in Texas since 1950Warnings in force in Texas nowThe forecast where you are

The other tornadoes of March 10, 2000

11 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
March 104:53 PM CSTF0Vernon Parish, LA1.020$1,000
March 105:40 PM CSTF1Llano, TX1.0100$10,000
March 105:41 PM CSTF0Llano, TX0.120
March 105:58 PM CSTF0Llano, TX0.110
March 106:35 PM CSTF0Bell, TX0.110
March 108:05 PM CSTF0Grimes, TX0.550$10,000
March 108:15 PM CSTF0Tuscaloosa, AL1.860$50,000
March 108:28 PM CSTF0Tuscaloosa, AL3.350$10,000
March 108:56 PM CSTF0Perry, AL7.0100$40,000
March 109:11 PM CSTF0Bibb, AL12.0100$40,000
March 109:22 PM CSTF1Jefferson, AL1.5200$500,000

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.