Alert archive / Colorado / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 52, NWS Goodland, KS

June 9, 1990El Paso County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jun 9, 1990, 6:56 PM MDT for El Paso County, Colorado. It was in force for 34 min. 1 report 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 9, 1990, 6:56 PM MDT (00:56 UTC)
Expired
Jun 9, 1990, 7:30 PM MDT
In force
34 min
Issued by
NWS Goodland, KS
Area
Whole counties

County El Paso County, CO

The radar

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

What was reported inside it

TimeReportWhereRemark
Jun 9, 6:58 PM MDTTornado F0El Paso, 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

Denver, CO (KDEN), launched 00:00Z, 0.9 hours before the alert went out and 160 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 1990-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1990-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2364 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
64 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 100056
SVRCOS
COC041-100130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
656 PM MDT SAT JUN 9 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE EAST CENTRAL PART OF COLORADO
      EASTERN EL PASO

RADAR INDICATED A SEVERE THUNDERSTORM IN EL PASO COUNTY ABOUT
15 MILES NORTHEAST OF COLORADO SPRINGS MOVING TO THE NORTH AT
ABOUT 20 MPH.  THE PUBLIC REPORTED HEAVY RAIN...FREQUENT LIGHTNING
AND PEA SIZE HAIL EAST OF FALCON.

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

 ANOTHER THUNDERSTORM WITH HEAVY RAIN AND 1/2 INCH HAIL WAS NOTED
 ABOUT 10 MILES SOUTHEAST OF LIMON MOVING TOWARD THE NORTH AT ABOUT
 20 MPH.

 CROWLEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 6:23 PM MDTSevere Thunderstorm WarningGLDElbert, Lincoln67 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1990Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.