Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 82, NWS Pueblo, CO

July 10, 1996Custer County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 10, 1996, 8:00 PM MDT for Custer County, Colorado. It was in force for 60 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 10, 1996, 8:00 PM MDT (02:00 UTC)
Expired
Jul 10, 1996, 9:00 PM MDT
In force
60 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Custer County, CO

The radar

The Pueblo radar (KPUX), 111 km from the middle of the area, began a volume at 01:59 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 00:00Z, 2.0 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, Denver, CO at 00:00Z on 1996-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 261 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1996-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
261 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
2758 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPUB 110200
SVRPUB
COC027-110300-

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

* SEVERE THUNDERSTORM WARNING FOR
  CUSTER COUNTY      IN SOUTHEAST COLORADO

* UNTIL 900 PM MDT
 
* SOME LOCATIONS AFFECTED
    WESTCLIFFE BY 815 PM MDT

* AT 800 PM MDT RADAR SHOWED A SEVERE STORM 7 MILES NORTHWEST OF
  WESTCLIFFE MOVING SOUTH-SOUTHEAST AT 20 MPH.

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, 5:40 PM MDT, 2 hours 20 minutes before
COZ067-068-110045-

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

...STRONG THUNDERSTORM IN TELLER COUNTY...

A STRONG THUNDERSTORM WAS LOCATED BETWEEN DIVIDE AND CRIPPLE
CREEK AND WILL BRING BRIEF HEAVY RAIN AND SMALL HAIL TO THE
AREA.  THIS STORM WILL MOVE TO THE SOUTHEAST TOWARD CRIPPLE
CREEK AND VICTOR BY AROUND 6 PM.

MOTORISTS SHOULD USE EXTREME CAUTION WHILE DRIVING IN THE AREA
DUE TO POOR VISIBILITY AND SLIPPERY..WET ROADS.
Special weather statement, Jul 10, 6:00 PM MDT, 2 hours before
COZ067-071-072-110045-

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

...SEVERE THUNDERSTORM WARNING FOR NORTHERN EL PASO COUNTY UNTIL 620
   PM...

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL MIDNIGHT...

STRONG THUNDERSTORMS WILL MOVE ACROSS NORTHERN COLORADO SPRINGS BETWEEN
600 PM AND 630 PM MDT BRINGING BRIEF HEAVY RAIN AND SMALL HAIL.

AT 559 PM MDT NATIONAL WEATHER SERVICE RADAR SHOWED A STRONG
THUNDERSTORM 6 MILES NORTHWEST OF DOWNTOWN COLORADO SPRINGS MOVING
SOUTHEAST AT 20 MPH.

THIS THUNDERSTORM CAN BRING DEADLY LIGHTNING...AND MAY PRODUCE 3/4 INCH
DIAMETER OR LARGER HAIL...GUSTY WINDS AROUND 60 MPH AND VERY HEAVY
RAINFALL.

JK
|
Special weather statement, Jul 10, 6:33 PM MDT, 1 hour 27 minutes before
COZ071-110135-

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

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL MIDNIGHT FOR A LARGE
   PORTION OF EASTERN COLORADO...

STRONG THUNDERSTORMS WILL MOVE ACROSS SOUTHWEST EL PASO COUNTY
IN THE VICINITY OF FORT CARSON THROUGH 700 PM MDT.  AT 633 PM MDT
PUEBLO DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 8 MILES SOUTHWEST
OF DOWNTOWN COLORADO SPRINGS.  THIS THUNDERSTORM WAS MOVING TO THE
SOUTH AT 20 MILES AN HOUR AND IS CAPABLE OF PRODUCING BRIEF PERIODS OF
VERY HEAVY RAINFALL.

A SEVERE THUNDERSTORM WATCH MEANS DAMAGING WINDS AND LARGE HAIL
ARE POSSIBLE IN AND NEAR THE WATCH AREA. YOU SHOULD BE ON THE
LOOKOUT FOR THREATENING WEATHER AND LISTEN FOR UPDATES ON THE
DEVELOPING WEATHER SITUATION.

JK
Special weather statement, Jul 10, 6:55 PM MDT, 1 hour 5 minutes before
COZ069-110200-

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

THUNDERSTORMS WILL BRING HEAVY RAIN TO WESTERN FREMONT COUNTY...IN THE
MOUNTAINS NORTH OF HIGHWAY 50 BETWEEN 7 AND 730 PM. THIS HEAVY RAIN MAY
CAUSE ROCKS TO SLIDE ALONG THE HIGHWAY BETWEEN ROYAL GORGE AND SALIDA.

AT 650 PM MDT NATIONAL WEATHER SERVICE RADAR SHOWED A STRONG
THUNDERSTORM 10 MILES EAST OF SALIDA MOVING SOUTHEAST AT 20 MPH. RADAR
ESTIMATED .5 TO .75 INCHES OF RAIN FELL BETWEEN 550 AND 650 PM MDT.

MOTORISTS ON HIGHWAY 50 BETWEEN CANON CITY AND SALIDA SHOULD WATCH FOR
HEAVY RAIN THAT MAY CAUSE ROCK AND MUD SLIDES.
FORTUNE
Special weather statement, Jul 10, 7:02 PM MDT, 58 minutes before
COZ073-110205-

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

...HEAVY RAIN MAY CAUSE DRIVING HAZARDS ALONG HIGHWAY 115...

A STRONG THUNDERSTORM WILL MOVE TO NEAR PENROSE BY 715 PM MDT BRINGING
BRIEF HEAVY RAIN. AT 655 PM MDT RADAR SHOWED A STRONG THUNDERSTORM
ALONG HIGHWAY 115 BETWEEN PENROSE AND FORT CARSON MOVING SOUTHEAST AT
25 MPH.

A STORM OF THIS TYPE COULD PRODUCE SOME HAZARDOUS DRIVING CONDITI2ONS
IN THE STEEP TERRAIN AND NARROW CANYONS ALONG HIGHWAY 115. THE STORM
WILL CROSS HIGHWAY 50 WEST EAST OF PENROSE BY 715 PM MDT.

FORTUNE
Special weather statement, Jul 10, 7:41 PM MDT, 19 minutes before
COZ065-068-070-110245-

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

...STRONG THUNDERSTORMS OVER SOUTHERN FREMONT COUNTY...

STRONG THUNDERSTORMS WILL MOVE ACROSS SOUTHERN FREMONT COUNTY AND
NORTHERN CUSTER AND SAGUACHE COUNTIES SOUTH OF HIGHWAY 50 THROUGH 815 PM
MDT.  AT 740 PM MDT PUEBLO DOPPLER RADAR INDICATED THE STRONGEST
THUNDERSTORMS 5 MILES SOUTHWEST OF COALDALE AND 5 MILES EAST OF
COTOPAXI IN FREMONT COUNTY.  THESE STRONG THUNDERSTORMS WERE MOVING TO
THE SOUTHEAST AT 20 MPH.

THESE THUNDERSTORMS CAN BRING DEADLY LIGHTNING...AND MAY PRODUCE 1/2
INCH DIAMETER OR SMALLER HAIL...GUSTY WINDS AROUND 55 MPH AND VERY
HEAVY RAINFALL.

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.