Alert archive / Colorado / Tornado Warnings in 1990

Tornado Warning 29, NWS Goodland, KS

August 22, 1990Cheyenne County, Colorado

NWS Goodland, KS issued this tornado warning at Aug 22, 1990, 2:55 PM MDT for Cheyenne County, Colorado. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Aug 22, 1990, 2:55 PM MDT (20:55 UTC)
Expired
Aug 22, 1990, 3:30 PM MDT
In force
35 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Cheyenne County, CO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 8.9 hours before the alert went out and 128 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, Denver, CO at 12:00Z on 1990-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 53 joules per kilogram.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.
HodographHodograph, Denver, CO at 12:00Z on 1990-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -48 square meters per square second.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.
Mixed-layer CAPE
53 J/kg
Mixed-layer CIN
-273 J/kg
Mixed-layer LCL
2129 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-48 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCOS 222055
TORCOS
COC063-017-222200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
255 PM MDT WED AUG 22 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 400 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EXTREME EAST PART OF COLORADO
      KIT CARSON...CHEYENNE

THE PUBLIC REPORTED A TORNADO SIGHTED AT THE TOWN OF BURLINGTON
IN KIT CARSON COUNTY.  MOVEMENT WAS NOT DETERMINED.  OTHER STRONG
THUNDERSTORMS WERE IN A LINE FROM EXTEME NORTHEAST KIT CARSON
COUNTY TO EXTREME NORTHWEST CHEYENNE COUNTY MOVING NORTHEAST AT
15 MPH.

 PERSONS IN THE TOWN OF BURLINGTON SHOULD TAKE IMMEDIATE COVER...

IN HOMES GO TO THE BASEMENT OR INTO A CLOSET OR BATHROOM.  IN SCHOOLS
...HIGH RISES AND HOSPITALS GO TO AN INTERIOR HALLWAY ON THE LOWEST
FLOOR.  IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GO TO A
THE NEAREST DITCH...GULLY OR OTHER LOW SPOT OR SUBSTANTIAL SHELTER.

 CROWLEY

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 2:55 PM MDTTornado WarningGLDKit Carson65 min

Nearby

Tornado Warnings in Colorado, 1990Every tornado warning in 1990Tornadoes in 1990

Sources

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