Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 49, NWS Pueblo, CO

June 21, 1996Saguache County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 21, 1996, 12:24 PM MDT for Saguache County, Colorado. It was in force for 46 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
Jun 21, 1996, 12:24 PM MDT (18:24 UTC)
Expired
Jun 21, 1996, 1:10 PM MDT
In force
46 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Saguache County, CO

The radar

The Pueblo radar (KPUX), 188 km from the middle of the area, began a volume at 18:26 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

Grand Junction, CO (KGJT), launched 12:00Z, 6.4 hours before the alert went out and 225 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, Grand Junction, CO at 12:00Z on 1996-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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, Grand Junction, CO at 12:00Z on 1996-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.19395878Sfc1 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
39 J/kg
Mixed-layer CIN
-289 J/kg
Mixed-layer LCL
1051 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPUB 211824
SVRPUB
COC109-211910-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
1224 PM MDT FRI JUN 21 1996

* SEVERE THUNDERSTORM WARNING FOR
  SAGUACHE COUNTY      IN SOUTHWEST COLORADO

* UNTIL 110 PM MDT
 
* SOME LOCATIONS AFFECTED
    SAGUACHE BY 1235
    VILLA GROVE BY 1240
    MINERAL HOT SPRINGS BY 1245

* AT 1220 PM  RADAR SHOWED A SEVERE STORM 15 MILES WEST OF SAGUACHE
  ALONG HWY 114 MOVING EAST AT 40 MPH.

THIS STORM WILL PRODUCE LARGE HAIL AND WINDS OVER 60 MPH.

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

BF

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, Jun 21, 12:07 PM MDT, 17 minutes before
COZ060>081-220600-

SIGNIFICANT WEATHER OUTLOOK FOR SOUTH CENTRAL AND SOUTHEAST
COLORADO
NATIONAL WEATHER SERVICE PUEBLO CO
1155 AM MDT FRI JUN 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

SCATTERED THUNDERSTORMS WERE ALREADY DEVELOPING OVER SOUTH
CENTRAL COLORADO AS OF 1130 AM.  THIS ACTIVITY WILL SPREAD
EASTWARD DURING THE AFTERNOON.

THUNDERSTORMS THIS AFTERNOON AND EVENING ARE STILL EXPECTED TO
BE MOST NUMEROUS AND STRONG OVER SOUTH CENTRAL COLORADO AND ALONG
THE EAST SLOPES OF THE MOUNTAINS AND ADJOINING PLAINS AS WELL AS
ALONG THE PALMER DIVIDE...WITH FEWER THUNDERSTORMS OVER THE FAR
SOUTHEAST PLAINS.

RADAR DERIVED WIND PROFILES THIS MORNING SUGGEST THE POTENTIAL
FOR MORE ORGANIZED THUNDERSTORMS FROM THE PLAINS OVER EL PASO...
PUEBLO...FREMONT AND TELLER COUNTIES...ALLOWING FOR DEVELOPMENT
OF STRONG TO SEVERE STORMS IN THIS AREA.

A FEW STORMS MAY BECOME SEVERE WITH WIND GUSTS IN EXCESS OF 60
MPH AND HAIL LARGER THAN 3/4 INCH IN DIAMETER...MAINLY ALONG AND
NEAR THE PALMER DIVIDE INCLUDING THE COLORADO SPRINGS AREA AND
AREAS WESTWARD TO THE CONTINENTAL DIVIDE.

ELSEWHERE...THE MAIN THREAT FROM THUNDERSTORMS WILL BE WIND GUSTS
TO 50 MPH AND SMALL HAIL.

SINCE THE STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO BE QUITE
ISOLATED...SPOTTER ACTIVATION IS NOT ANTICIPATED.

HOWEVER...REPORTS OF STRONG THUNDERSTORMS WINDS...HEAVY RAINFALL
AND HAIL WILL BE APPRECIATED.

HAYNES
Special weather statement, Jun 21, 12:08 PM MDT, 16 minutes before
COZ060>081-220600-

SIGNIFICANT WEATHER OUTLOOK FOR SOUTH CENTRAL AND SOUTHEAST
COLORADO
NATIONAL WEATHER SERVICE PUEBLO CO
1205 PM MDT FRI JUN 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

SCATTERED THUNDERSTORMS WERE ALREADY DEVELOPING OVER SOUTH
CENTRAL COLORADO AS OF 1130 AM.  THIS ACTIVITY WILL SPREAD
EASTWARD DURING THE AFTERNOON.

THUNDERSTORMS THIS AFTERNOON AND EVENING ARE STILL EXPECTED TO
BE MOST NUMEROUS AND STRONG OVER SOUTH CENTRAL COLORADO AND ALONG
THE EAST SLOPES OF THE MOUNTAINS AND ADJOINING PLAINS AS WELL AS
ALONG THE PALMER DIVIDE...WITH FEWER THUNDERSTORMS OVER THE FAR
SOUTHEAST PLAINS.

RADAR DERIVED WIND PROFILES THIS MORNING SUGGEST THE POTENTIAL
FOR MORE ORGANIZED THUNDERSTORMS FROM THE PLAINS OVER EL PASO...
PUEBLO...FREMONT AND TELLER COUNTIES...ALLOWING FOR DEVELOPMENT
OF STRONG TO SEVERE STORMS IN THIS AREA.

A FEW STORMS MAY BECOME SEVERE WITH WIND GUSTS IN EXCESS OF 60
MPH AND HAIL LARGER THAN 3/4 INCH IN DIAMETER...MAINLY ALONG AND
NEAR THE PALMER DIVIDE INCLUDING THE COLORADO SPRINGS AREA AND
AREAS WESTWARD TO THE CONTINENTAL DIVIDE.

ELSEWHERE...THE MAIN THREAT FROM THUNDERSTORMS WILL BE WIND GUSTS
TO 50 MPH AND SMALL HAIL.

SINCE THE STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO BE QUITE
ISOLATED...SPOTTER ACTIVATION IS NOT ANTICIPATED.

HOWEVER...REPORTS OF STRONG THUNDERSTORMS WINDS...HEAVY RAINFALL
AND HAIL WILL BE APPRECIATED.

HAYNES
Special weather statement, Jun 21, 12:13 PM MDT, 11 minutes before
COZ060>063-211920-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1213 PM MDT FRI JUN 21 1996

A STRONG THUNDERSTORM WILL BRING STRONG GUSTY WINDS...HAIL AND BRIEF
HEAVY RAIN TO SAGUACHE COUNTY BETWEEN NOON AND 2 PM MDT.

AT NOON A STRONG THUNDERSTORM WAS NEAR NORTH PASS IN WESTERN SAGUACHE
COUNTY ABOUT 25 MILES WEST OF THE TOWN OF SAGUACHE MOVING
EAST-NORTHEAST AT 40 MPH.

THE MOST INTENSE PART OF STORM WILL MOVE ALONG HIGHWAY 114 AND SHOULD
PASS JUST NORTH OF THE TOWN OF SAGUACHE AROUND 1230 PM MDT AND TO NEAR
THE TOWN OF BONANZA BY 1245 PM MDT.

FORTUNE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 2:31 PM MDTSevere Thunderstorm WarningPUBLas Animas64 min
Jun 21, 5:53 PM MDTSevere Thunderstorm WarningPUBBaca, Prowers47 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.