Alert archive / Colorado / Tornado Warnings in 1991

Tornado Warning 24, NWS Goodland, KS

June 21, 1991Elbert County, Colorado

NWS Goodland, KS issued this tornado warning at Jun 21, 1991, 4:16 PM MDT for Elbert County, Colorado. It was in force for 59 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 21, 1991, 4:16 PM MDT (22:16 UTC)
Expired
Jun 21, 1991, 5:15 PM MDT
In force
59 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Elbert County, CO

What was reported inside it

TimeReportWhereRemark
Jun 21, 5:20 PM MDTTornado F0Elbert, CO
Jun 21, 5:22 PM MDTTornado F0Elbert, CO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Fort Carson/Butt, CO (KFCS), launched 12:00Z, 10.3 hours before the alert went out and 83 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Fort Carson/Butt, CO at 12:00Z on 1991-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Carson/Butt, CO at 12:00Z on 1991-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 km3 km6 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.
Mixed-layer CAPE
10 J/kg
Mixed-layer CIN
-278 J/kg
Mixed-layer LCL
2132 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 7:45 PM MDTSevere Thunderstorm WarningGLDGove60 min
Jun 20, 8:28 PM MDTSevere Thunderstorm WarningGLDTrego62 min
Jun 21, 3:30 PM MDTSevere Thunderstorm WarningGLDElbert60 min
Jun 21, 5:13 PM MDTTornado WarningGLDElbert62 min
Jun 21, 5:13 PM MDTTornado WarningGLDEl Paso62 min

Nearby

Tornado Warnings in Colorado, 1991Every tornado warning in 1991Tornadoes in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.