Alert archive / Colorado / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 41, NWS Goodland, KS

June 7, 1990El Paso County, Lincoln County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jun 7, 1990, 12:33 AM MDT for El Paso County, Lincoln County, Colorado. It was in force for 57 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 7, 1990, 12:33 AM MDT (06:33 UTC)
Expired: Jun 7, 1990, 1:30 AM MDT
In force: 57 min
Issued by: NWS Goodland, KS
Area: Whole counties

Counties El Paso County, CO, Lincoln 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

Time	Report	Where	Remark
Jun 7, 12:55 AM MDT	Tornado F0	El 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, 6.6 hours before the alert went out and 127 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 070633
SVRCOS
COC073-063-041-017-070730-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
1233 AM MDT THU JUN 7 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 130 AM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EAST CENTRAL PART OF COLORADO
      SOUTHERN LINCOLN...EL PASO...

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

RADAR INDICATED SEVERE THUNDERSTORMS IN THESE COUNTIES WITH THE
HEAVIEST STORMS 5 MILES EAST OF ELLICOTT...EL PASO COUNTY...10
MILES SOUTHEAST OF RUSH IN SOUTHERN LINCOLN COUNTY...AND 6 MILES
EAST OF FLAGLER IN KIT CARSON COUNTY COLORADO.

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.

 THESE STORMS ARE CAPABLE OF PRODUCING LARGE HAIL...HEAVY RAIN AND
 STRONG WIND.

 CROWLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 7:30 PM MDT	Tornado Warning	GLD	Elbert, Lincoln	30 min
Jun 6, 8:08 PM MDT	Tornado Warning	GLD	Lincoln	67 min
Jun 6, 8:52 PM MDT	Tornado Warning	GLD	El Paso	68 min
Jun 6, 9:33 PM MDT	Tornado Warning	GLD	Elbert	57 min
Jun 6, 9:33 PM MDT	Tornado Warning	GLD	El Paso	57 min
Jun 6, 10:02 PM MDT	Tornado Warning	GLD	Elbert	58 min
Jun 6, 10:24 PM MDT	Tornado Warning	GLD	El Paso, Lincoln	66 min
Jun 6, 10:24 PM MDT	Tornado Warning	GLD	Elbert	66 min
Jun 6, 11:25 PM MDT	Tornado Warning	GLD	Kit Carson	65 min
Jun 6, 11:25 PM MDT	Tornado Warning	GLD	Elbert, Lincoln	65 min
Jun 6, 11:25 PM MDT	Tornado Warning	GLD	El Paso	65 min
Jun 7, 12:33 AM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	57 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1990 Every 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.