Alert archive / Colorado / Tornado Warnings in 1990

Tornado Warning 13, NWS Goodland, KS

June 6, 1990Elbert County, Colorado

NWS Goodland, KS issued this tornado warning at Jun 6, 1990, 9:33 PM MDT for Elbert County, Colorado. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1990, 9:33 PM MDT (03:33 UTC)
Expired
Jun 6, 1990, 10:30 PM MDT
In force
57 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Elbert 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 00:00Z, 3.6 hours before the alert went out and 101 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 00:00Z on 1990-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1329 joules per kilogram.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.
HodographHodograph, Denver, CO at 00:00Z on 1990-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 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
1329 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
2428 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOS 070333
TORCOS
COC041-039-070430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
933 PM MDT WED JUN 6 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1030 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EAST CENTRAL PART OF COLORADO
      NORTHEAST EL PASO...SOUTHEAST ELBERT

AT 905 PM MDT A TORNADO WAS REPORTED ON THE GROUND 5 MILES WEST
OF CALHAN IN NORTHEAST EL PASO COUNTY COLORADO MOVING TO THE EAST
AT 15 TO 20 MPH.  A LINE OF STRONG THUNDERSTORMS IS MOVING
THROUGH NORTHEAST EL PASO COUNTY AND INTO SOUTHEAST ELBERT COUNTY.

IF SEVERE WEATHER APPROACHES YOUR AREA..GO TO A STURDY SHELTER AWAY
FROM CREEK BEDS AND OTHER LOW AREAS PRONE TO FLOODING.  REMEMBER...
A SEVERE THUNDERSTORM CAN PRODUCE LARGE HAIL...DAMAGING WINDS OF OVER
60 MPH...DEADLY LIGHTNING...AND HEAVY RAINS THAT CAN QUICKLY FLOOD
LOW LYING AREAS.

THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR
NO ADVANCE WARNING...SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO
A PLACE OF SAFETY IF ONE IS SPOTTED.

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.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.

 THE LINE OF STRONG THUNDERSTORMS EXTENDS FROM NEAR LIMON TO THE
 SOUTHWEST THROUGH THE TOWN OF CALHAN WHICH IS ABOUT 30 MILES
 NORTHEAST OF COLORADO SPRINGS.

 HUBkER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 7:30 PM MDTTornado WarningGLDElbert, Lincoln30 min
Jun 6, 8:08 PM MDTTornado WarningGLDLincoln67 min
Jun 6, 8:52 PM MDTTornado WarningGLDEl Paso68 min
Jun 6, 9:33 PM MDTTornado WarningGLDEl Paso57 min
Jun 6, 10:02 PM MDTTornado WarningGLDElbert58 min
Jun 6, 10:24 PM MDTTornado WarningGLDEl Paso, Lincoln66 min
Jun 6, 10:24 PM MDTTornado WarningGLDElbert66 min
Jun 6, 11:25 PM MDTTornado WarningGLDKit Carson65 min
Jun 6, 11:25 PM MDTTornado WarningGLDElbert, Lincoln65 min
Jun 6, 11:25 PM MDTTornado WarningGLDEl Paso65 min
Jun 7, 12:33 AM MDTSevere Thunderstorm WarningGLDEl Paso, Lincoln57 min
Jun 7, 12:33 AM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson57 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.