Alert archive / Colorado / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 21, NWS Pueblo, CO

June 22, 1991Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 22, 1991, 6:32 PM MDT for Prowers County, Colorado. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1991, 6:32 PM MDT (00:32 UTC)
Expired
Jun 22, 1991, 7:00 PM MDT
In force
28 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Prowers County, CO

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.5 hours before the alert went out and 220 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, Dodge City, at 00:00Z on 1991-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 467 joules per kilogram.LCLLFCEL10008507005003002001001 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, Dodge City, at 00:00Z on 1991-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939Sfc1 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
467 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
1612 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPUB 230033
SVRPUB
COC099-230100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
632 PM MDT SAT JUN 22 1991
 
THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTHEAST COLORADO
 
   ...NORTHWESTERN PROWERS COUNTY
 
SEVERE THUNDERSTORMS REMAINED OVER NORTHWEST PROWERS COUNTY AT 630 PM
MDT. THESE STORMS HAD PRODUCED GOLFBALL SIZE HAIL AT WILEY BETWEEN 610
PM AND 620 PM MDT. THESE STORMS WERE MOVING NORTHEAST 20 MPH.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
GRAY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 7:01 PM MDTTornado WarningPUBProwers29 min
Jun 22, 7:30 PM MDTSevere Thunderstorm WarningPUBProwers60 min
Jun 22, 8:29 PM MDTSevere Thunderstorm WarningPUBProwers31 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1991Every severe thunderstorm warning in 1991

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.