Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 73, NWS Pueblo, CO

July 7, 1996El Paso County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 7, 1996, 3:19 PM MDT for El Paso County, Colorado. It was in force for 61 min. 2 reports 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
Jul 7, 1996, 3:19 PM MDT (21:19 UTC)
Expired
Jul 7, 1996, 4:20 PM MDT
In force
61 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 51 km from the middle of the area, began a volume at 21:20 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.

What was reported inside it

TimeReportWhereRemark
Jul 7, 3:22 PM MDTHail 1Yoder, CO
Jul 7, 3:40 PM MDTHail 0.75Ellicott, 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.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.3 hours before the alert went out and 160 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 1996-07-07Temperature 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, Denver, CO at 12:00Z on 1996-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
2098 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
22 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 072119
SVRPUB
COC041-072220-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
319 PM MDT SUN JUL 7 1996

* SEVERE THUNDERSTORM WARNING FOR
  EASTERN EL PASO COUNTY      IN EAST CENTRAL COLORADO

* UNTIL 420 PM MDT
 
* SOME LOCATIONS AFFECTED
    ELLICOTT BY 325 PM MDT
    YODER BY 335 PM MDT
    RUSH BY 350 PM MDT

* AT 315 PM MDT RADAR SHOWED SEVERE STORMS 5 MILES NORTHWEST OF YODER
  MOVING MOVING SOUTHEAST AT 15 MPH.

1 INCH DIAMETER HAIL WAS REPORTED AT 315 PM BY A HAM RADIO SPOTTER AT
THE INTERSECTION OF MURR AND JONES ROAD...IN EASTERN EL PASO COUNTY.

A TORNADO WATCH IS IN EFFECT.  SEVERE STORMS CAN PRODUCE TORNADOES.

A FOLLOW UP ST\ATEMENT WITH MORE DETAILS WILL BE OUT SHORTLY.

SC

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 7, 11:30 AM MDT, 3 hours 49 minutes before
COZ060>081-080600-

SIGNIFICANT WEATHER OUTLOOK FOR SOUTH CENTRAL AND SOUTHEAST
COLORADO
NATIONAL WEATHER SERVICE PUEBLO CO
1130 AM MDT SUN JUL 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

THE AIRMASS OVER THE REGION HAS DESTABILIZED OVERNIGHT AND THIS
MORNING.  UPPER AIR TEMPERATURE AND WIND SOUNDINGS THIS MORNING SUGGEST
THE POTENTIAL FOR STRONG TO SEVERE THUNDERSTORMS THIS
AFTERNOON AND EVENING ALONG AND EAST OF THE MOUNTAINS AND THROUGH
THE SOUTHEAST PLAINS...AS THE AIRMASS HAS MOISTENED CONSIDERABLY.
DEW POINT TEMPERATURES ARE IN THE MID 50S TO MID 60S.

THE MAIN THREATS FROM THUNDERSTORMS THIS AFTERNOON AND EVENING WILL
BE HEAVY RAIN FROM THE SLOW MOVING STORMS..`.STRONG WIND GUSTS...AND
ISOLATED HAIL REPORTS.

SPOTTER ACTIVATION MAY BE NECESSARY BEFORE 300 PM.

TLM
Special weather statement, Jul 7, 12:12 PM MDT, 3 hours 7 minutes before
COZ060-061-066-074-075-071915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1212 PM MDT SUN JUL 7 1996

...THUNDERSTORMS WERE DEVELOPING OVER THE SOUTHERN MOUNTAINS...

A FEW THUNDERSTORMS HAVE DEVELOPED...AND ARE EXPECTED TO MOVE NEAR
WALSENBURG BY 1245 PM MDT.  OTHER THUNDERSTORMS ARE GOING TO MOVE
ACROSS SAN ISABEL NATIONAL FOREST...JUST SOUTH OF RYE...BY 1215 PM
MDT...AND EAST OF CUCHARAS PASS NORTH OF HIGHWAY 12...THROUGH 1245 PM.

AT 1210 PM THE STRONGEST THUNDERSTORM WAS LOCATED JUST SOUTHEAST OF
CUCHARAS PASS...WITH ANOTHER THUNDERSTORM 10 MILES NORTHWEST OF
WALSENBURG.  MOVEMENT WAS EAST AROUND 10 MPH.

LATEST SATELLITE AND RADAR IMAGERY DETECTED SCATTERED THUNDERSTORMS
MOVING ACROSS THE LA GARITA AND EASTERN SAN JUAN MOUNTAINS...BETWEEN
SOUTH FORK TO JUST NORTH OF DEL NORTE.  THESE THUNDERSTORMS ARE ALSO
MOVING EAST AROUND 10 MPH.

IF YOU PLAN TO BE OUTDOORS...CHECK THE LATEST WEATHER
INFORMATION AND KEEP AN EYE TO THE SKY. DEADLY LIGHTNING CAN
OCCUR WITH ALL THUNDERSTORMS. IF A THUNDERSTORM APPROACHES... GET
INDOORS OR IN A VEHICLE. LIGHTNING CAN STRIKE SEVERAL MILES AWAY
FROM THE STORM.
Special weather statement, Jul 7, 12:46 PM MDT, 2 hours 33 minutes before
COZ066-074-075-071935-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1246 PM MDT SUN JUL 7 1996

...STRONG THUNDERSTORMS MOVING OUT OF THE SOUTHERN MOUNTAINS...

THUNDERSTORMS FROM JUST SOUTH OF COLORADO CITY TO NEAR LA VETA PASS
WILL MOVE EAST ACROSS I-25 AND THROUGH OPEN COUNTRY WEST OF WALSENBURG
THROUGH 115 PM.

A LINE OF STRONG THUNDERSTORMS FROM 6 MILES SOUTHWEST OF AGUILAR TO 15
MILES SOUTHWEST OF TRINIDAD WILL MOVE TO NEAR AGUILAR AND JUST WEST OF
TRINDAD BY 115 PM.

AT 1243 PM...RADAR SHOWED THE STRONGEST STORMS 6 MILES SOUTHWEST OF
AGUILAR...15 MILES WEST SOUTHWEST OF TRINIDAD AND NEAR LA VETA
PASS.  THE STORMS WERE PRODUCING HEAVY RAIN...WINDS TO 40 MPH AND
HAIL LESS THAN 1/2 INCH IN DIAMETER.

THE STORMS WERE MOVING EAST AT ABOUT 10 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...POW`ER 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.

TLM
Special weather statement, Jul 7, 12:57 PM MDT, 2 hours 22 minutes before
COZ066-071945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1257 PM MDT SUN JUL 7 1996

...THUNDERSTORM PRODUCING HEAVY RAIN WEST OF TRINIDAD OVER THE SOUTHERN
SANGRE DE CRISTOS...

A THUNDERSTORM WAS PRODUCING VERY HEAVY RAIN SOUTH OF VIGIL AND IN THE
UTE HILLS WEST OF TRINIDAD.

DOPPLER RADAR ESTIMATED ABOUT ONE INCH OF RAINFALL SINCE NOON MDT.
LOCALLY HEAVY RAINFALL IS GOING TO CAUSE RISES IN STREAMS...DRY
CREEK BEDS AND ARRxOYOS WHICH DRAIN INTO THE PURGATOIRE RIVER AND
DOWNSTREAM TO WESTON.

LITTLE MOVEMENT HAS BEEN DETECTED WITH THIS STORM...THUS LOCALIZED
HEAVY RAINFALL IS EXPECTED TO CONTINUE THROUGH 130 PM ACROSS THE
SOUTHERN SANGRE DE CRISTOS.

SC
Special weather statement, Jul 7, 1:34 PM MDT, 1 hour 45 minutes before
COZ074-075-072020-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
134 PM MDT SUN JUL 7 1996

...VERY STRONG THUNDERSTORM SOUTH OF WALSENBURG...

AT 130 PM...A VERY STRONG THUNDERSTORM...CENTERED ABOUT 9 MILES SOUTH OF
WALSENBURG WAS SHOWING A SLOW EASTWARD MOVEMENT AT LESS THAN 10 MPH.
THE STORM WILL MOVE OVER OPEN COUNTRY WEST OF I-25 THROUGH 200 PM.

THE STORM WAS PRODUCING VERY HEAVY RAIN...AND POSSIBLY SOME HAIL 1/2
INCH DIAMETER OR SMALLER AND GUSTY WINDS TO 45 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.

TLM/SC
Special weather statement, Jul 7, 2:01 PM MDT, 1 hour 18 minutes before
COZ072-072050-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
201 PM MDT SUN JUL 7 1996

...STRONG THUNDERSTORMS ALONG THE PALMER DIVIDE IN NORTHERN EL PASO
COUNTY...

THUNDERSTORMS ARE GOING TO BE MOVING EAST AT 10 MPH ACROSS NORTHERN
PARTS OF EL PASO COUNTY...NEARING RAMAH BY 230 PM MDT.  THESE
THUNDERSTORMS WILL APPROACH THE BLACK FOREST BY 210 PM
MDT...CROSSING HIGHWAY 24 BY 220 PM.

EXPECT FREQUENT DANGEROUS LIGHTNING...HAIL NEARING 1/2 INCH IN
DIAMETER...AND LOCALLY HEAVY RAIN WITH THESE STORMS AS THEY MOVE EAST.

THESE THUNDERSTORMS CAN BRING DEADLY LIGHTNING...AND SOME WILL
PRODUCE 1/2 INCH DIAMETER OR SMALLER HAIL...GUSTY WINDS AROUND 40
MPH AND VERY HEAVY RAINFALL.

SC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 2:07 PM MDTSevere Thunderstorm WarningPUBEl Paso63 min
Jul 7, 2:49 PM MDTTornado WarningPUBEl Paso31 min
Jul 7, 4:10 PM MDTSevere Thunderstorm WarningPUBEl Paso50 min
Jul 7, 5:55 PM MDTSevere Thunderstorm WarningPUBCrowley25 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.