Alert archive / Colorado / Tornado Warnings in 1990

Tornado Warning 25, NWS Goodland, KS

July 9, 1990El Paso County, Colorado

NWS Goodland, KS issued this tornado warning at Jul 9, 1990, 4:12 PM MDT for El Paso County, Colorado. It was in force for 63 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: Jul 9, 1990, 4:12 PM MDT (22:12 UTC)
Expired: Jul 9, 1990, 5:15 PM MDT
In force: 63 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

Time	Report	Where	Remark
Jul 9, 4:15 PM MDT	Hail 1.5	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 12:00Z, 10.2 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-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: 4 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 818 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 9 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 092212
TORCOS
COC041-092315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
412 PM MDT MON JUL 9 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 515 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE EAST CENTRAL PART OF COLORADO
      EL PASO

SEVERAL REPORTS OF FUNNEL CLOUDS OVER NORTH COLORADO SPRINGS HAVE
BEEN REPORTED BY THE PUBLIC AS WELL AS AREAS OF STREET FLOODING.
SEVERE THUNDERSTORMS ARE MOVING THROUGH COLORADO SPRINGS AND CALHAN
IN EL PASO COUNTY.  MOVING EAST AT ABOUT 15 MPH.

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.

IN HOMES GO TO THE BASEMENT OR INTO A CLOSET OR BATHYROOM.  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.

Issued	Product	Office	Counties	Lasted
Jul 9, 3:25 PM MDT	Severe Thunderstorm Warning	GLD	Elbert	65 min
Jul 9, 4:05 PM MDT	Tornado Warning	GLD	Elbert, Lincoln	55 min
Jul 9, 4:15 PM MDT	Tornado Warning	GLD	Elbert, Lincoln	45 min
Jul 9, 5:39 PM MDT	Flash Flood Warning	GLD	El Paso	2 hr

Nearby

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