Alert archive / Colorado / Tornado Warnings in 1991

Tornado Warning 3, NWS Pueblo, CO

June 22, 1991Prowers County, Colorado

NWS Pueblo, CO issued this tornado warning at Jun 22, 1991, 7:01 PM MDT for Prowers County, Colorado. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1991, 7:01 PM MDT (01:01 UTC)
Expired
Jun 22, 1991, 7:30 PM MDT
In force
29 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Prowers County, CO

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.0 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°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 230101
TORPUB
COC099-230130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE PUEBLO CO
701 PM MDT SAT JUN 22 1991

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

   IN THE SOUTHEAST PART OF COLORADO
      NORTH CENTRAL PROWERS

THIS WARNING INCLUDES THE FOLLOWING TOWNS AND CITIES...LAMAR...
GRANADA...BRISTOL.

AT 655 PM MDT STATE PATROL INDICATED AN UNCONFIRMED TORNADO JUST
EAST OF LAMAR. A POSSIBLE TORNADO WAS INDICATED BY RADAR AT 656.
THE SEVERE THUNDERSTORM WAS NORTH AND EAST OF LAMAR...MOVING EAST
25 TO 30 MPH.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE TO BE IS IN
A BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...FIND SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

IF YOU LIVE IN A HOME OR APARTMENT...FIND SHELTER IN THE INNERMOST
PORTION OF THE BUILDING ON THE LOWEST FLOOR.  GET TO A BASEMENT IF
ONE IS AVAILABLE.  AVOID WINDOWS.  PROTECT YOURSELF FROM FLYING
DEBRIS WITH CUSHIONS...BLANKETS...EOR PILLOWS.

 THESE THUNDERSTORMS REMAIN SEVERE WITH LARGE HAIL...POSSIBLE
 DAMAGING WINDS. REMAIN INDOORS AWAY FROM WINDOWS.

 GRAY

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 22, 1:12 PM MDT, 5 hours 49 minutes before
COZ-015-016-222030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
108 PM MDT SAT JUN 22 1991

...A THUNDERSTORM WITH VERY HEAVY RAIN AND HAIL IN HUERFANO COUNTY...

AT 105 PM A THUNDERSTORM WITH VERY HEAVY RAIN AND HAIL WAS IN HUERFANO
COUNTY 30 MILES SOUTH OF THE CITY OF PUEBLO. THE STORM WAS MOVING
NORTHEAST AT 15 MILES AN HOUR.

OTHER SHOWERS AND THUNDERSTORMS SOME WITH HEAVY RAINS HAVE ALSO
DEVELOPED ALONG THE SOUTHEAST FOOTHILLS FROM EASTERN FREMONT COUNTY
TO WESTERN LAS ANIMAS COUNTY OF SOUTHEAST COLORADO. A TORNADO WATCH
IS IN EFFECT UNTIL 900 PM MDT. HAIL...DAMAGING WINDS AND DANGEROUS
LIGHTNING AND POSSIBLE TORNADOES MAY OCCUR WITH THUNDERSTORMS. SO
BE ALERT AND IF THREATENING WEATHER APPROACHES SEEK SAFE SHELTER.

CASEY
Special weather statement, Jun 22, 2:00 PM MDT, 5 hours 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALAMOSA CO
1255 PM MDT SAT JUN 22 1991

...THUNDERSTORMS DEVELOPING IN THE HIGHER TERRAIN AROUND THE SAN
LUIS VALLEY THIS AFTERNOON...

AT 1230 LIMON RADAR REPORTED SCATTERED SHOWERS AND
THUNDERSTORMS...SOME WITH HEAVY RAIN... WERE IN AN AREA 70 MILES
WIDE...FROM SOUTHEAST OF ALAMOSA...TO NORTHWEST OF FORT COLLINS.
MOVEMENT WAS TO THE NORTHEAST AT 20 MILES AN HOUR.

THESE STORMS CAN PRODUCE STRONG DAMAGING WINDS...HAIL...FREQUENT
DANGEROUS LIGHTING AND BRIEF PERIODS OF HEAVY RAIN CAPABLE OF
PRODUCING FLOODING IN LOW LYING AREAS.

RESIDENTS OF THE VALLEY SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER
CONDITIONS AND TAKE NECESSARY PRECAUTIONS_ SHOULD DANGEROUS WEATHER
APPROACH.

REPORT ANY SEVERE WEATHER TO YOUR LOCAL OR STATE POLICE FOR RELAY TO
THE NATIONAL WEATHER SERVICE.

CALLAHAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 6:32 PM MDTSevere Thunderstorm WarningPUBProwers28 min
Jun 22, 7:30 PM MDTSevere Thunderstorm WarningPUBProwers60 min
Jun 22, 8:29 PM MDTSevere Thunderstorm WarningPUBProwers31 min

Nearby

Tornado Warnings in Colorado, 1991Every tornado warning in 1991Tornadoes 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.