Alert archive / Colorado / Tornado Warnings in 1990

Tornado Warning 5, NWS Pueblo, CO

August 4, 1990Las Animas County, Colorado

NWS Pueblo, CO issued this tornado warning at Aug 4, 1990, 7:44 PM MDT for Las Animas County, Colorado. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Aug 4, 1990, 7:44 PM MDT (01:44 UTC)
Expired
Aug 4, 1990, 8:15 PM MDT
In force
31 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Las Animas 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, 1.7 hours before the alert went out and 293 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 1990-08-05Temperature 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 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 1990-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
2303 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
125 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 KPUB 050144
TORPUB
COC071-050215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE PUEBLO CO
744 PM MDT SAT AUG 4 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 815 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE SOUTHEAST PART OF COLORADO
      CENTRAL LAS-ANIMAS

THIS WARNING INCLUDES THE FOLLOWING TOWNS AND CITIES...
EAST OF TRINDAD...PINON CANON AREA

AT  729 PM   A TORNADO          WAS REPORTED BY MILITARY
PERSONNEL EAST OF THE CITY OF TRINIDAD MOVING NORTH.

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...TAKE SHELTER IN A DITCH OR LOW SPOT.

 CALL THE NEAREST LAW ENFORCEMENT AGENCY WITH REPORTS OF
 HAZARDOUS WEATHER.

 GALLEGOS

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 4, 6:20 PM MDTSevere Thunderstorm WarningPUBCrowley55 min
Aug 5, 2:56 PM MDTSevere Thunderstorm WarningPUBLas Animas34 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.