Tornadoes · United States · Colorado · 2000

F0 tornado, Eads, Colorado, July 22, 2000

This F0 tornado ran 1.0 miles across Kiowa County on July 22, 2000, touching down at 6:56 PM MDT and reaching 100 yards wide. It killed nobody.

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 mphthis tornado

    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 mph

    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
F0
Date
July 22, 2000
Touchdown
6:56 PM MDT (00:56 UTC)
Path length
1.0 miles (1.6 km)
Path width
100 yards (91 m)
Deaths
0
Injuries
0
County
Kiowa County
Touchdown point
38.620, -102.700
Lift-off point
38.600, -102.700
Record number
1002

What the Weather Service recorded

A long lasting supercell moved south across Kiowa, Bent, Prowers, and Baca counties over a three and a half hour time frame. The main damage was caused by high winds and large hail. The majority of the damage was around the mesocyclone, which tracked across central Kiowa, eastern Bent, and western Baca counties. From time to time, the mesocyclone produced brief tornadoes. Tornado paths were not found during a damage survey, owing to the lack of trees, crops, fence line, and roads. Photographic evidence and eyewitness accounts of the tornadoes was helpful in estimating the path lengths and size of the tornadoes. The first reported tornado was short-lived and over open country of north-central Kiowa county and caused no known damage.

The supercell cycled another tornado. The nearly continuous path was over open country. Because of the lack of trees, crops, fence line, and roads, the exact path of the tornado was difficult to determine, and no damage was discovered.

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
23:47 UTC00:45 UTCSevere Thunderstorm WarningGLD
00:43 UTC01:45 UTCSevere Thunderstorm 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. The outlook in force was issued at 20:10 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.

Denver, CO (KDNR), 00:00Z

0.9 hours before the tornado, 147 km from the path. July 23, 2000.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2000-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 902 joules per kilogram, CIN -10, lifted condensation level 2662 meters above ground. Wind barbs in knots down the right edge.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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, Denver, CO at 00:00Z on 2000-07-23The 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 -26 square meters per square second, 0 to 6 km bulk shear 43 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
902 J/kg
Mixed-layer CIN
-10 J/kg
Surface CAPE
1846 J/kg
Mixed-layer LCL
2662 m above ground
0-6 km bulk shear
43 kt
0-1 km bulk shear
5 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8
0-3 km lapse rate
9.9 K/km

Open this sounding in Storm Lab

Denver, CO (KDNR), 12:00Z

11.1 hours after it, 147 km from the path. July 23, 2000.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2000-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 544 joules per kilogram, CIN -321, lifted condensation level 1971 meters above ground. Wind barbs in knots down the right edge.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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, Denver, CO at 12:00Z on 2000-07-23The 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 -13 square meters per square second, 0 to 6 km bulk shear 26 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
544 J/kg
Mixed-layer CIN
-321 J/kg
Surface CAPE
17 J/kg
Mixed-layer LCL
1971 m above ground
0-6 km bulk shear
26 kt
0-1 km bulk shear
1 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5
0-3 km lapse rate
4.4 K/km

Open this sounding in Storm Lab

The radar

The Goodland radar (KGLD), 121 km away, was scanning. The volume nearest the touchdown began at 00:54 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.

This ground now

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

The other tornadoes of July 22, 2000

13 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
July 222:15 PM EDTF0Fairfield, SC0.220
July 224:33 PM CDTF0Hancock, MS0.120$1,000
July 224:41 PM CDTF0Hancock, MS0.120
July 225:22 PM CDTF0Pearl River, MS0.120$3,000
July 225:59 PM CDTF0Pearl River, MS0.120
July 226:00 PM CDTF0Harrison, MS0.120
July 226:41 PM CDTF0Tangipahoa Parish, LA0.120
July 226:55 PM CDTF0Saint Tammany Parish, LA0.120
July 227:11 PM MDTF0Kiowa, CO3.0100
July 227:58 PM MDTF0Prowers, CO3.050
July 228:00 PM MDTF0Bent, CO4.0100
July 228:34 PM MDTF0Prowers, CO1.050
July 229:20 PM MDTF0Bent, CO1.0100

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.