Alert archive / Colorado / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 7, NWS Pueblo, CO

May 23, 1991Pueblo County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at May 23, 1991, 3:03 PM MDT for Pueblo County, Colorado. It was in force for 27 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
May 23, 1991, 3:03 PM MDT (21:03 UTC)
Expired
May 23, 1991, 3:30 PM MDT
In force
27 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Pueblo County, CO

What was reported inside it

TimeReportWhereRemark
May 23, 3:15 PM MDTHail 1.75Pueblo, 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

Fort Carson/Butt, CO (KFCS), launched 12:00Z, 9.1 hours before the alert went out and 59 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, Fort Carson/Butt, CO at 12:00Z on 1991-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Carson/Butt, CO at 12:00Z on 1991-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.193958Sfc1 km3 km6 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
13 J/kg
Mixed-layer CIN
-154 J/kg
Mixed-layer LCL
1187 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm 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, May 23, 11:51 AM MDT, 3 hours 12 minutes before
CO0009-232300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALAMOSA CO
1150 PM MDT THU MAY 23 1991

...THUNDERSTORMS TO DEVELOP THIS AFTERNOON IN THE SAN LUIS VALLEY...

PLENTY OF LOW LEVEL MOISTURE IS AVAILABLE FROM THE APPROACHING UPPER
LEVEL LOW THEREFORE CONDITIONS WILL BE FAVORABLE FOR AFTERNOON AND
EVENING THUNDERSTORM DEVELOPMENT OVER THE SAN LUIS VALLEY.

STRONG STORMS WITH A CHANCE OF HAIL...GUSTY WINDS...AND BRIEF HEAVY
RAIN ARE POSSIBLE. DUE TO THE PRECIPITATION SMALL CREEK AND STREAM
LEVELS MAY RISE TO NEAR BANKFULL CONDITIONS AND POSSIBLY SOME SMALL
STREAM FLOODING. NO SIGNIFICANT FLOODING IS EXPECTED AND LARGER
RIVERS SHOULD REMAIN WELL WITHIN BANKS.

CAMPERS...RAFTERS...FISHERMAN AND OTHER PERSONS NEAR SMALLER
RIVERS AND STREAMS THIS MEMORIAL DAY WEEKEND SHOULD BE ALERT
OF THESE CONDITIONS AND EXCERCISE CAUTION.

PERSONS SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND
BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THREATENING WEATHER
APPROACH.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEW MEDIA FOR
UPDATES ON THESE THUNDERSTORMS.

SBARNETT/BUTLER
Special weather statement, May 23, 11:52 AM MDT, 3 hours 11 minutes before
CO0009-232300-

SPECIAL WEATHER STATEMENT...CORRECTION.
NATIONAL WEATHER SERVICE ALAMOSA CO
1150 AM MDT THU MAY 23 1991

...THUNDERSTORMS TO DEVELOP THIS AFTERNOON IN THE SAN LUIS VALLEY...

PLENTY OF LOW LEVEL MOISTURE IS AVAILABLE FROM THE APPROACHING UPPER
LEVEL LOW THEREFORE CONDITIONS WILL BE FAVORABLE FOR AFTERNOON AND
EVENING THUNDERSTORM DEVELOPMENT OVER THE SAN LUIS VALLEY.

STRONG STORMS WITH A CHANCE OF HAIL...GUSTY WINDS...AND BRIEF HEAVY
RAIN ARE POSSIBLE. DUE TO THE PRECIPITATION SMALL CREEK AND STREAM
LEVELS MAY RISE TO NEAR BANKFULL CONDITIONS AND POSSIBLY SOME SMALL
STREAM FLOODING. NO SIGNIFICANT FLOODING IS EXPECTED AND LARGER
RIVERS SHOULD REMAIN WELL WITHIN BANKS.

CAMPERS...RAFTERS...FISHERMAN AND OTHER PERSONS NEAR SMALLER
RIVERS AND STREAMS THIS MEMORIAL DAY WEEKEND SHOULD BE ALERT
OF THESE CONDITIONS AND EXCERCISE CAUTION.

PERSONS SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND
BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THREATENING WEATHER
APPROACH.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEW MEDIA FOR
UPDATES ON THESE THUNDERSTORMS.

SBARNETT/BUTLER
Special weather statement, May 23, 1:33 PM MDT, 1 hour 30 minutes before
COZ004-011>-014-016-017-232130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
130 PM MDT THU MAY 23 1991

...TORNADO WATCH IN EFFECT UNTIL 8PM MDT...

AN UPPER LEVEL LOW PRESSURE SYSTEM TO THE WEST OF COLORADO COMBINED
WITH LOW LEVEL MOISTURE OVER EASTERN COLORADO WILL CAUSE SHOWERS AND
THUNDERSTORMS TO DEVELOP THIS AFTERNOON AND EVENING.  SOME OF THESE
THUNDERSTORMS IN THE EASTERN HALF OF COLORADO MAY BECOME SEVERE...
WITH HAIL...STRONG WINDS...LIGHTNING AND HEAVY RAIN.  A TORNADO WATCH
REMAINS IN EFFECT UNTIL 8PM MDT THIS EVENING FOR MUCH OF EASTERN COLORADO
INCLUDING THE CITIES OF COLORADO SPRINGS...LIMON...WOODLAND PARK...KIOWA
...BURLINGTON...AND CHEYENNE WELLS.

PERSONS IN EASTERN COLORADO SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER
CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THREAT-
ENING WEATHER APPROACH.
GURNEY
Special weather statement, May 23, 1:35 PM MDT, 1 hour 28 minutes before
COZ015-016-017-232200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
130 PM MDT FRI MAY 23 1991

...TORNDADO WATCH FOR MUCH OF EASTERN COLORADO UNTIL 8 PM MDT...

AT 125 PM MDT AN ISOLATED THUNDERSTORM WITH POSSIBLE HEAVY RAIN
HAD DEVELOPED OVER WESTERN PUEBLO AND EASTERN FREMONT COUNTIES...
ABOUT 10 MILES NORTH OF WETMORE. THIS STORM WAS MOVING NORTH
15 MPH. THE THUNDERSTORM SHOULD MOVE THROUGH WESTERN AND NORTHWEST
PUEBLO COUNTY UNTIL ABOUT 230 PM MDT TODAY.

REMEMBER THAT A TORNADO WATCH IS IN EFFECT FOR A LARGE PART OF
EASTERN COLORADO...INCLUDING THE SOUTHEAST PLAINS. CONDITIONS ARE
FAVORABLE FOR SEVERE WEATHER AS THESE STORMS CONTINUE TO DEVELOP
THE REST OF THE AFTERNOON. REMAIN ALERT TO THUNDERSTORMS IN YOUR AREA
AND MOVE TO SAFE SHELTER...AWAY FROM WINDOWS IF WEATHER BECOMES
THREATENING. STAY TUNED TO RADIO...TV OR NOAA WEATHER RADIO FOR LATER
STATEMENTS OR POSSIBLE WARNINGS.

GRAY
Special weather statement, May 23, 2:24 PM MDT, 39 minutes before
COZ015-016-017-232200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
220 PM MDT FRI MAY 23 1991

...TORNADO WATCH FOR MUCH OF EASTERN COLORADO UNTIL 8 PM MDT...

AT 215 PM MDT AN ISOLATED THUNDERSTORM WITH POSSIBLE HEAVY RAIN
WAS 5 MILES SOUTHEAST OF PORTLAND ALONG THE FREMONT/PUEBLO COUNTY
LINE MOVING NORTHEAST AT 20 MPH. PEOPLE IN THE PATH OF THIS STORM
SHOULD FIND SAFE SHELTER AS IT MOVES THROUGH THEIR AREA.

OTHER THUNDERSTORMS HAD DEVELOPED IN LAS ANIMAS COUNTY OF SOUTHEAST
COLORADO. AT 215 PM MDT THE STRONGEST STORM IN THIS AREA WAS SOUTH
OF TRINIDAD MOVING NORTHEAST AT 20 MPH AND RESIDENTS OF TRINIDAD
AND SURROUNDING COMMUNITIES SHOULD BE PREPARED FOR POSSIBLE HEAVY RsAIN
...STRONG WINDS AND POSSIBLY HAIL.

STAY TUNED TO RADIO...TV OR NOAA WEATHER RADIO FOR LATER
STATEMENTS OR POSSIBLE WARNINGS.
BT
Special weather statement, May 23, 2:47 PM MDT, 16 minutes before
COZ015-016-017-232200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
240 PM MDT FRI MAY 23 1991

...TORNADO WATCH FOR MUCH OF EASTERN COLORADO UNTIL 8 PM MDT...

AT 240 PM MDT AN ISOLATED THUNDERSTORM WITH HEAVY RAIN AND HAIL
WAS 15 MILES NORTHWEST OF THE CITY OF PUEBLO MOVING NORTHEAST AT
20 MPH. SPOTTERS HAVE REPORTED MARBLE SIZE HAIL 2 INCHES DEEP
JUST TO THE WEST OF THE PUEBLO WEST COMMUNITY AT 230 PM. THIS
STORM IS EXPECTED TO PASS OVER I-25 NEAR THE PUEBLO/EL PASO COUNTY
LINE AND MOTORISTS SHOULD USE EXTREME CAUTION WHEN TRAVELING THROUGH
THIS AREA UNTIL ABOUT 345 PM MDT.

STAY TUNED TO RADIO...TV OR NOAA WEATHER RADIO FOR LATER
STATEMENTS OR POSSIBLE WARNINGS.

BT

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 3:45 PM MDTSevere Thunderstorm WarningPUBProwers60 min
May 23, 4:47 PM MDTSevere Thunderstorm WarningPUBKiowa38 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.