Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 130, NWS Pueblo, CO

July 21, 1996Las Animas County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 21, 1996, 4:34 PM MDT for Las Animas County, Colorado. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 21, 1996, 4:34 PM MDT (22:34 UTC)
Expired
Jul 21, 1996, 5:35 PM MDT
In force
61 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Las Animas County, CO

The radar

The Pueblo radar (KPUX), 128 km from the middle of the area, began a volume at 22:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.6 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 12:00Z on 1996-07-21Temperature 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 km15 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 12:00Z on 1996-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
3236 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
83 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 212234
SVRPUB
COC071-212335-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
434 PM MDT SUN JUL 21 1996

* SEVERE THUNDERSTORM WARNING FOR
  LAS ANIMAS COUNTY      IN SOUTHEAST COLORADO

* UNTIL 535 PM MDT
 
* SOME LOCATIONS AFFECTED
    TRINIDAD
    HIGHWAY 160 25 MILES EAST OF TRINIDAD

* AT 433 PM MDT RADAR SHOWED SEVERE STORMS AT TRINIDAD...AND 25 MILES
EAST OF TRINIDAD ALONG HIGHWAY 160...SHOWINjG LITTLE MOVEMENT.

REMEMBER...SEVERE STORMS CAN PRODUCE TORNADOES WITH LITTLE WARNING.

A FOLLOW UP STATEMENT WITH MORE DETAILS WILL BE OUT SHORTLY.

RMG

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, Jul 21, 11:53 AM MDT, 4 hours 41 minutes before
COZ060>081-220600-

SIGNIFICANT WEATHER OUTLOOK FOR SOUTH CENTRAL AND SOUTHEAST
COLORADO
NATIONAL WEATHER SERVICE PUEBLO CO
1155 AM MDT SUN JUL 21 1996

THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES:

ALAMOSA      BACA        BENT          CHAFFEE        CONEJOS
COSTILLA     CROWLEY     CUSTER        EL PASO        FREMONT
HUERFANO     KIOWA       LAS ANIMAS    MINERAL        OTERO
PROWERS      PUEBLO      RIO GRANDE    SAGUACHE       TELLER

THE BEST CHANCES FOR SEVERE WEATHER TODAY ARE SOUTH AND EAST OF A LINE
FROM WALSENBURG TO LA JUNTA.  ATMOSPHERIC PROFILES OVER THIS REGION
SUGGEST HIGH ENOUGH LEVELS OF MOISTURE AND CONVECTIVE ENERGY TO SUPPORT
SEVERE STORM DEVELOPMENT.

A WEAK UPPER LEVEL DISTURBANCE AND ASSOCIATED SURFACE FRONT MAY AID IN
TRIGGERING SEVERE STORM DEVELOPMENT IN THESE AREAS LATER TODAY AND THIS
EVENING.

THE REMAINDER OF SOUTHEAST COLORADO WILL ALSO SEE THUNDERSTORMS DEVELOP
LATER TODAY.  HOWEVER...LESS AVAILABLE MOISTURE SHOULD RESULT IN FEWER
AND LESS INTENSE STORMS.

OVER THE SOUTHEASTERNMOST COUNTIES...LARGE HAIL...HEAVY RAIN AND
DAMAGING WINDS ARE POSSIBLE LATER TODAY AND THIS EVENING.  ELSEWHERE
IN SOUTHEAST COLORADO...ISOLATED SfMALL HAIL...LOCAL HEAVY RAIN AND
STRONG WINDS ARE POSSIBLE.

LW
Special weather statement, Jul 21, 3:34 PM MDT, 1 hour before
COZ074-075-212240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
335 PM MDT SUN JUL 21 1996

...A STRONG THUNDERSTORM HAS DEVELOPED OVER SOUTHEAST HUERFANO
COUNTY...

THIS THUNDERSTORM WILL MOVE ACROSS I-25 BETWEEN PRYOR AND AGUILAR...OR
ABOUT 10 MILES SOUTH OF WALSENBURG...BETWEEN 340 PM AND 4 PM MDT. HAIL
OF 1/2 INCH DIAMETER HAIL OR SMALLER...BRIEF HEAVY RAIN AND STRONG WIND
GUSTS AS IT MOVES ACROSS THE AREA.

AT 335 PM MDT...THE STORM WAS 10 MILES SOUTH OF WALSENBURG...MOVING
EAST AT 10 MPH.

MOTORISTS ON I-25 SHOULD ESPECIALLY PAY ATTENTION TO THE WEATHER AS
THIS STORM CROSSES THE INTERSTATE.
Special weather statement, Jul 21, 3:41 PM MDT, 53 minutes before
COZ074-075-212240-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE PUEBLO CO
335 PM MDT SUN JUL 21 1996

...A STRONG THUNDERSTORM HAS DEVELOPED OVER SOUTHEAST HUERFANO
COUNTY...

THIS THUNDERSTORM WILL MOVE ACROSS I-25 BETWEEN PRYOR AND AGUILAR...OR
ABOUT 10 MILES SOUTH OF WALSENBURG...BETWEEN 340 PM AND 4 PM MDT. HAIL
OF 1/2 INCH DIAMETER OR SMALLER...BRIEF HEAVY RAIN AND STRONG WIND
GUSTS WILL BE POSSIBLE WITH THE STORM AS IT MOVES ACROSS THE AREA.

AT 335 PM MDT...THE THUNDERSTORM WAS 10 MILES SOUTH OF WALSENBURG...
MOVING EAST AT 10 MPH.

MOTORISTS ON I-25 SHOULD ESPECIALLY PAY ATTENTION TO THE WEATHER AS
THIS STORM CROSSES THE INTERSTATE.
Special weather statement, Jul 21, 4:32 PM MDT, 2 minutes before
COZ074-075-077-081-212305-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
432 PM MDT SUN JUL 21 1996

...STRONG THUNDERSTORMS FORMING OVER EXTREME SOUTHERN COLORADO...

AT 430 PM MDT...THE STRONG STORMS IN COLORADO WERE FORMING ALONG A LINE
FROM WALSENBURG...IN HUERFANO COUNTY...SOUTH TO TRINIDAD AND EAST TO
KIM IN LAS ANIMAS COUNTY. THE STORMS CONTINUED EAST ACROSS BACA
COUNTY...JUST SOUTHEAST OF SPRINGFIELD TO THE COLORADO KANSAS STATE
LINE...SOUTHEAST OF BARTLETT.

THIS AREA IN EXTREME SOUTHERN COLORADO IS ALONG A MOISTURE RICH...
THUNDERSTORM PRONE BOUNDARY...AND COULD BECOME THE FOCUS AREA FOR SOME
SEVERE WEATHER IN SOUTHERN COLORADO THIS EVENING.

HAIL...VERY HEAVY RfAIN AND STRONG WIND GUSTS SHOULD ALL BE ANTICIPATED
WITH THESE DEVELOPING STORMS LATE THIS AFTERNOON AND INTO THE EVENING.

STAY TUNED FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS DEVELOPING WEATHER SITUATION.

GRAY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 6:29 PM MDTSevere Thunderstorm WarningPUBEl Paso46 min
Jul 20, 7:14 PM MDTSevere Thunderstorm WarningPUBEl Paso61 min
Jul 20, 7:34 PM MDTSevere Thunderstorm WarningPUBEl Paso41 min
Jul 20, 8:14 PM MDTSevere Thunderstorm WarningPUBEl Paso61 min
Jul 20, 9:12 PM MDTSevere Thunderstorm WarningPUBEl Paso63 min
Jul 20, 10:14 PM MDTSevere Thunderstorm WarningPUBEl Paso31 min
Jul 20, 11:50 PM MDTSevere Thunderstorm WarningPUBEl Paso50 min
Jul 21, 5:34 PM MDTSevere Thunderstorm WarningPUBBaca46 min
Jul 21, 5:43 PM MDTSevere Thunderstorm WarningPUBLas Animas47 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.