Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 196, NWS Pueblo, CO

August 7, 1996Costilla County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Aug 7, 1996, 4:18 PM MDT for Costilla County, Colorado. It was in force for 62 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
Aug 7, 1996, 4:18 PM MDT (22:18 UTC)
Expired
Aug 7, 1996, 5:20 PM MDT
In force
62 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Costilla County, CO

The radar

The Pueblo radar (KPUX), 171 km from the middle of the area, began a volume at 22:19 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

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 10.3 hours before the alert went out and 269 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, Albuquerq/Krtlnd, NM at 12:00Z on 1996-08-07Temperature 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, Albuquerq/Krtlnd, NM at 12:00Z on 1996-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
3210 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
-67 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 072218
SVRPUB
COC023-072320-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
418 PM MDT WED AUG 7 1996

* SEVERE THUNDERSTORM WARNING FOR
  COSTILLA COUNTY      IN SOUTH COLORADO

* UNTIL 520 PM MDT
 
* SOME LOCATIONS AFFECTED
    SAN LUIS THROUGH AT LEAST 445 PM
    CHAMA BY 430 PM

* AT 417 PM RADAR SHOWED A SEVERE STORM AT SAN LUIS MOVING EAST AT 20
  MPH.



LISTEN TO NOAA WEATHER RADIO FOR FOLLOW UP STATEMENTS AND
WARNINGS FROM THE NATIONAL WEATHER SERVICE IN PUEBLO.

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

SR

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, Aug 7, 11:54 AM MDT, 4 hours 24 minutes before
COZ060>081-080600-

SIGNIFICANT WEATHER OUTLOOK FOR SOUTH CENTRAL AND SOUTHEAST COLORADO
NATIONAL WEATHER SERVICE PUEBLO CO
1155 AM MDT WED AUG 7 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

SYNOPSIS:  A COLD FRONT MOVED ACROSS SOUTHERN COLORADO LAST NIGHT AND
EXTENDED FROM NORTHERN NEW MEXICO ACROSS THE TEXAS PANHANDLE AT
MIDDAY.  MOIST SOUTHEAST UPSLOPE WINDS WILL RETURN TO THE SOUTHEAST
PLAINS THIS AFTERNOON.

ACROSS THE SOUTHEAST FOOTHILLS FROM COLORADO SPRINGS SOUTH TO
TRINIDAD...SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP DUE TO THE
LIFT FROM THE MOIST UPSLOPE WINDS...THE UNSTABLE ATMOSPHERE AND
DAYTIME HEATING.  ALTHOUGH LARGE HAIL AND DAMAGING WINDS ARE NOT
ANTICIPATED...THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING LOCALLY
HEAVY RAIN SINCE STEERING WINDS ALOFT WILL REMAIN WEAK.

ACROSS THE SOUTHEAST PLAINS...THUNDERSTORM COVERAGE WILL BE LESS THAN
NEAR THE FOOTHILLS.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL OCCUR ACROSS THE MOUNTAINS
AND HIGH VALLEYS...PRODUCING LOCALLY HEAVY RAIN...SMALL HAIL AND GUSTY
WINDS.

SPOTTER ACTIVATION IS NOT EXPECTED TODAY...ALTHOUGH SIGNIFICANT
REPORTS CONCERNING THUNDERSTORMS WOULD RBE APPRECIATED.
Special weather statement, Aug 7, 3:15 PM MDT, 1 hour 3 minutes before
COZ060-062-065-068-069-072320-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
315 PM MDT WED AUG 7 1996

...THUNDERSTORMS IN SAGUACHE AND FREMONT COUNTIES...

THROUGH AT LEAST 430 PM...SCATTERED THUNDERSTORMS WILL AFFECT WESTERN
FREMONT COUNTY AND PORTIONS OF SAGUACHE COUNTY.

THROUGH 4 PM...A CLUSTER OF THUNDERSTORMS...SOME STRONG...WILL LIKELY
AFFECT PONCHA PASS...PONCHA SPRINGS...SALIDA...WELLSVILLE AND POSSIBLY
HOWARD. THESE STORMS WILL PRODUCE LOCALLY HEAVY RAINFALL AMOUNTS
APPROACHING ONE INCH PER HOUR...WIND GUSTS UP TO 50 MPH...SMALL HAIL
AND FREQUENT DANGEROUS LIGHTNING.

THROUGH 4 PM...ANOTHER STRONG THUNDERSTORM WILL MOVE ALONG HIGHWAY 114
IN SAGUACHE COUNTY BETWEEN NORTH PASS AND SAGUACHE.

AT 311 PM...DOPPLER RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS
LOCATED 7 MILES SOUTHEAST OF PONCHA SPRINGS.  ANOTHER ISOLATED STRONG
THUNDERSTORM WAS AT NORTH PASS...OR 23 MILES WEST NORTHWEST OF SAGUACHE.

MOVEMENT OF THE STORMS WAS EAST AT 25 MPH.

IF YOU ARE CAUGHT OUTSIDE DURING A LIGHTNING STORM...FIND A LOW
SPOT. SHELTER YOURSELF UNDER SHORTER TREES. AVOID ISOLATED...TALL
TREES. STAY AWAY FROM WATER...POWER POLES AND METAL OBJECTS...
SUCH AS A FENCE ROW OR GOLF CLUBS. IF IN A GROUP...STAY APART. IF
SOMEONE IS STRUCK...OTHERS WILL BE ABLE TO HELP THE VICTIM.

SR
Special weather statement, Aug 7, 4:11 PM MDT, 7 minutes before
COZ065-068-070-072315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
410 PM MDT WED AUG 7 1996

...VERY STRONG THUNDERSTORM IN WESTERN FREMONT COUNTY...

A VERY STRONG THUNDERSTORM WILL MOVE ACROSS WESTERN FREMONT COUNTY
THROUGH 5 PM...AFFECTING COALDALE THROUGH 420 PM...COTOPAXI BY 415 PM
...AND MOVING BETWEEN TEXAS CREEK AND HILLSIDE BY 430 PM.

THIS STORM WILL PRODUCE BRIEF HEAVY RAIN...HAIL...WIND GUSTS UP TO 55
MPH AND FREQUENT DANGEROUS LIGHTNING.

SEEK SAFE SHELTER IF YOU ARE IN THESE AREAS OR ALONG HIGHWAY 50 BETWEEN
COALDALE AND TEXAS CREEK.

THIS THUNDERSTORM COULD QUICKLY BECOME SEVERE...AND BRING LARGE
HAIL AND DAMAGING WINDS.  IF YOU ARE IN THE PATH OF THISP STRONG
THUNDERSTORM...YOU ARE URGED TO FIND SHELTER BEFORE IT REACHES
YOUR AREA.

SR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 12:59 AM MDTSevere Thunderstorm WarningPUBPueblo31 min
Aug 7, 4:22 PM MDTSevere Thunderstorm WarningPUBFremont63 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.