Tornadoes · United States · Colorado · 2014

EF0 tornado, Hasty, Colorado, June 5, 2014

This EF0 tornado ran 0.4 miles across Bent County on June 5, 2014, touching down at 8:07 PM MDT and reaching 50 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.

  1. EF065 to 85 mphthis tornado

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

  2. EF186 to 110 mph

    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
EF0
Date
June 5, 2014
Touchdown
8:07 PM MDT (02:07 UTC)
Lifted
8:09 PM MDT (02:09 UTC)
On the ground
2 minutes
Path length
0.4 miles (0.7 km)
Path width
50 yards (46 m)
Deaths
0
Injuries
0
County
Bent County
Touchdown point
38.163, -102.975
Lift-off point
38.157, -102.973
Record number
1406052007-01

What the Weather Service recorded

Numerous severe storms occurred across the I-25 corridor and southeast plains. Hail up to baseball size was reported. A brief tornado occurred west of Hasty in Bent County.

A brief tornado occurred in a field causing no damage.

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 severe thunderstorm watch, issued at 20:45 UTC and running to 04:00 UTC.

Issued (UTC)ExpiredProductOffice
20:45 UTC04:00 UTCSevere Thunderstorm WatchPUB
01:36 UTC02:15 UTCSevere Thunderstorm WarningPUB
02:11 UTC02:45 UTCTornado WarningPUB
02:42 UTC03:15 UTCTornado WarningPUB
18:38 UTC02:00 UTCSevere Thunderstorm WatchPUB

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 01:01 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 (KDEN), 00:00Z

2.1 hours before the tornado, 191 km from the path. June 6, 2014.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2014-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 480 joules per kilogram, CIN -131, lifted condensation level 1728 meters above ground. Wind barbs in knots down the right edge.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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, Denver, CO at 00:00Z on 2014-06-06The 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 16 square meters per square second, 0 to 6 km bulk shear 42 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
480 J/kg
Mixed-layer CIN
-131 J/kg
Surface CAPE
1151 J/kg
Mixed-layer LCL
1728 m above ground
0-6 km bulk shear
42 kt
0-1 km bulk shear
4 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0
0-3 km lapse rate
7.6 K/km

Open this sounding in Storm Lab

Denver, CO (KDEN), 12:00Z

9.9 hours after it, 191 km from the path. June 6, 2014.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2014-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 367 joules per kilogram, CIN -256, lifted condensation level 1813 meters above ground. Wind barbs in knots down the right edge.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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, Denver, CO at 12:00Z on 2014-06-06The 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 238 square meters per square second, 0 to 6 km bulk shear 44 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
367 J/kg
Mixed-layer CIN
-256 J/kg
Surface CAPE
0 J/kg
Mixed-layer LCL
1813 m above ground
0-6 km bulk shear
44 kt
0-1 km bulk shear
23 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0
0-3 km lapse rate
5.9 K/km

Open this sounding in Storm Lab

The surface observations

Lamar (LAA), 27 km from the path, in the two hours either side.

Time (UTC)Temp (°F)Dew point (°F)WindGust (kt)Pressure (mb)Weather
00:53 UTC8253110° 16 kt1012.5
01:53 UTC785480° 15 kt1013.5VCTS
02:08 UTC775570° 20 kt251013.9TS
02:53 UTC715870° 20 kt241014.2-TSRA
03:25 UTC685990° 16 kt241013.5-RA
03:35 UTC6959100° 10 kt1013.9VCTS -RA
03:50 UTC69.860.8200° 8 kt1014.6
03:53 UTC6861190° 5 kt1014.6
04:00 UTC6861220° 9 kt1015.6VCTS

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

The radar

The Pueblo radar (KPUX), 110 km away, was scanning. The volume nearest the touchdown began at 02:06 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
00:54 UTCHAIL 1.759 Nw HaswellLincoln, CO
01:08 UTCHAIL 1.755 N HaswellKiowa, COHAIL RANGING IN SIZE FROM QUARTERS TO GOLF-BALLS...WITH QUARTER SIZE HAIL ONGOING.
01:26 UTCHAIL 1.754 Se HaswellKiowa, CO
01:42 UTCHAIL 110 Se HaswellKiowa, CO
02:05 UTCTORNADO1 W HastyBent, CO
02:09 UTCHAIL 1.7510 Nw HastyBent, CO
02:19 UTCHAIL 2.751 N HastyBent, CO
02:31 UTCHAIL 12 N HastyBent, CO
03:06 UTCHAIL 213 W LamarBent, CO
04:30 UTCHAIL 16 Nnw ArlingtonKiowa, COQUARTER-SIZED HAIL FELL FROM APPROXIMATELY 1030 PM TO 1040 PM MDT.

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

This ground now

The live radar over the trackEvery 2014 tornado in ColoradoEvery tornado in Colorado since 1950Warnings in force in Colorado nowThe forecast where you are

The other tornadoes of June 5, 2014

9 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
June 52:14 PM CDTEF0Minnehaha, SD0.250
June 52:51 PM CDTEF1Thurston, NE1.5100
June 53:40 PM CDTEF0Lincoln, SD0.450
June 54:25 PM CDTEF0Sargent, ND0.110
June 54:34 PM CDTEF1Limestone, AL0.7100
June 55:02 PM CDTEF0Cass, ND0.110
June 55:05 PM CDTEF0Rock, MN0.350
June 57:21 PM EDTEF0Gilmer, GA0.850$50,000
June 56:49 PM CDTEF0Murray, MN0.350

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.