Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 81, NWS Pueblo, CO

July 10, 1996El Paso County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 10, 1996, 5:18 PM MDT for El Paso County, Colorado. It was in force for 62 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
Jul 10, 1996, 5:18 PM MDT (23:18 UTC)
Expired
Jul 10, 1996, 6:20 PM MDT
In force
62 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 23:21 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 10, 5:20 PM MDTHail 0.75Monument, 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

Fort Carson/Butt, CO (KFCS), launched 12:00Z, 11.3 hours before the alert went out and 23 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 1996-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 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 1996-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
780 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
89 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 102318
SVRPUB
COC041-110020-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
518 PM MDT WED JUL 10 1996

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

* UNTIL 620 PM MDT
 
* SOME LOCATIONS AFFECTED
    MONUMENT BY 520 PM MDT
    FALCON BY 545 PM MDT

* AT 518 PM MDT RADAR SHOWED A SEVERE STORM IN THE VICINITY OF MONUMENT
  MOVING SOUTHEAST AT 20 MPH.

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

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

JK

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 10, 11:45 AM MDT, 5 hours 33 minutes before
COZ060>081-110600-

SIGNIFICANT WEATHER OUTLOOK FOR SOUTH CENTRAL AND SOUTHEAST
COLORADO
NATIONAL WEATHER SERVICE PUEBLO CO
1144 AM MDT WED JUL 10 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 IS MOIST.  UPSLOPE FLOW FROM THE EAST
WILL CONTINUE THIS AFTERNOON AND MAY EVEN STRENGTHEN SOME LATER
THIS AFTERNOON.  WITH THE CLOUDS BREAKING UP OVER THE PLAINS AND
SKIES ALREADY MOSTLY CLEAR OVER THE ADJACENT MOUNTAINS...HEATING
WILL CAUSE SCATTERED SLOW MOVING THUNDERSTORMS TO DEVELOP.
>
YESTERDAYS RAINFALL HAS SATURATED THE GROUND FROM THE COLORADO
SPRINGS AREA TO PUEBLO.  THIS CORRIDOR WILL BE ESPECIALLY
PRONE TO FLOODING SHOULD HEAVY RAIN FALL IN THAT CORRIDOR AGAIN.

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND
EVENING FROM THE EASTERN MOUNTAINS INTO THE PLAINS.  THE MAIN
THREATS FROM THE SCATTERED STORMS WILL BE LOCALLY HEAVY RAIN...
ISOLATED HIGH WINDS AND LARGE HAIL.

SPOTTER ACTIVATION MAY BE NEEDED BY MIDAFTERNOON...PRIMARILY FOR
RAIN REPORTS...AND PERHAPS FOR ISOLATED REPORTS OF SEVERE WEATHER.

TLM
Special weather statement, Jul 10, 12:57 PM MDT, 4 hours 21 minutes before
COZ066-074-075-101945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
1257 PM MDT WED JUL 10 1996

...STRONG THUNDERSTORMS DEVELOPING OVER THE SOUTHERN SANGRE DE CRISTO
MOUNTAINS...

A STRONG THUNDERSTORM WILL MOVE INTO THE VICINTIY OF BONCARBO BY 115
PM MDT...AND INTO THE VICINTY OF JANSEN BY 130 PM MDT.  OTHER STRONG
STORMS WILL MOVE ALONG AND TO THE SOUTH OF HIGHWAY 12 THROUGH 140 PM
MDT.  THESE STORMS LIKELY CONTAIN VERY HEAVY RAINFALL...GUSTY
WINDS...AND POSSIBLY SOME SMALL HAIL.

AT 1255 PM MDT PUEBLO DOPPLER RADAR SHOWED THE STRONGEST STORM LOCATED
10 MILES WEST NORTHWEST OF BONCARBO.  MOVEMENT WAS TO THE EAST
SOUTHEAST AT 15 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...WHERE IT IS NOT R`AINING AND WHERE YOU MAY BE.
Special weather statement, Jul 10, 1:44 PM MDT, 3 hours 34 minutes before
COZ066-074-075-102050-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
144 PM MDT WED JUL 10 1996

...THUNDERSTORMS PRODUCING HEAVY RAIN OVER SOUTHERN MOUNTAINS...

THUNDERSTORMS WILL BRING HEAVY RAIN TO THE SOUTHERN SANGRE DE CRISTO
MOUNTAINS...ESPECIALLY IN THE AREA BETWEEN THE TOWNS OF CUCHARA AND
GULNARE...NORTHWEST OF TRINIDAD.

AT 142 PM MDT NATIONAL WEATHER SERVICE RADAR SHOWED A THUNDERSTORM
NEARLY STATIONARY 18 MILES NORTHWEST OF TRINIDAD. RADAR ESTIMATES OVER
AN INCH OF RAIN HAS FALLEN IN THAT AREA BETWEEN 1240 AND 140 PM MDT.
THIS AREA HAS SEVERAL NARROW CANYONS THAT MAY FILL WITH WATER QUICKLY.

CAMPERS IN THE AREA SHOULD PREPARE TO MOVE TO HIGHER GROUND.

FORTUNE
Special weather statement, Jul 10, 5:08 PM MDT, 10 minutes before
COZ072-110010-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
508 PM MDT WED JUL 10 1996

...THUNDERSTORM PRODUCING BRIEF HEAVY RAIN MOVING INTO NORTHWEST EL
   PASO COUNTY...

A THUNDERSTORM WILL BRING BRIEF HEAVY RAIN TO NORTHWEST EL PASO
COUNTY INCLUDING THE COMMUNITIES OF PALMER LAKE AND MONUMENT THROUGH 550
PM MDT.

AT 507 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM 2 MILES NORTHWEST OF MONUMENT MOVING TO THE SOUTHEAST AT
25 MPH.

THESE THUNDERSTORMS CAN BRING DEADLY LIGHTNING...AND SOME WILL
PRODUCE 1/2 INCH DIAMETER OR SMALLER HAIL...GUSTY WINDS AROUND 50
MPH AND HEAVY RAINFALL.

"7"
Special weather statement, Jul 10, 5:10 PM MDT, 8 minutes before
COZ072-110010-

SPECIAL WEATHER STATEMENT...RESENT
NATIONAL WEATHER SERVICE PUEBLO CO
508 PM MDT WED JUL 10 1996

...THUNDERSTORM PRODUCING BRIEF HEAVY RAIN MOVING INTO NORTHWEST EL
   PASO COUNTY...

A THUNDERSTORM WILL BRING BRIEF HEAVY RAIN TO NORTHWEST EL PASO
COUNTY INCLUDING THE COMMUNITIES OF PALMER LAKE AND MONUMENT THROUGH 550
PM MDT.

AT 507 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM 2 MILES NORTHWEST OF MONUMENT MOVING TO THE SOUTHEAST AT
25 MPH.

THESE THUNDERSTORMS CAN BRING DEADLY LIGHTNING...AND SOME WILL
PRODUCE 1/2 INCH DIAMETER OR SMALLER HAIL...GUSTY WINDS AROUND 50
MPH AND HEAVY RAINFALL.

"7"

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 6:11 PM MDTFlash Flood WarningPUBPueblo2 hr

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.