Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 83, NWS Pueblo, CO

July 11, 1996Pueblo County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 11, 1996, 8:20 PM MDT for Pueblo County, Colorado. It was in force for 60 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 11, 1996, 8:20 PM MDT (02:20 UTC)
Expired
Jul 11, 1996, 9:20 PM MDT
In force
60 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Pueblo County, CO

The radar

The Pueblo radar (KPUX), 43 km from the middle of the area, began a volume at 02:21 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 11, 8:47 PM MDTHail 0.75Pueblo West, 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 00:00Z, 2.3 hours before the alert went out and 219 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 1996-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1225 joules per kilogram.LCLLFCEL10008507005003002001001 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 1996-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
1225 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
2056 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
263 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPUB 120219
SVRPUB
COC101-120320-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
820 PM MDT THU JUL 11 1996

* SEVERE THUNDERSTORM WARNING FOR
  PUEBLO COUNTY      IN SOUTHEAST COLORADO

* UNTIL 920 PM MDT
 
* SOME LOCATIONS AFFECTED
    PUEBLO WEST BY 830 PM MDT
    PUEBLO BY 845 PM MDT

* AT 820 PM MDT RADAR SHOWED A SEVERE STORM 4 MILES NORTH OF PUEBLO
  WEST MOVING SOUTH AT 15 MPH.

A FOLLOW UP STAdTEMENT 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 11, 6:44 PM MDT, 1 hour 36 minutes before
COZ072-073-120150-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
644 PM MDT THU JUL 11 1996

...THUNDERSTORMS DEVELOPING IN NORTHERN EL PASO AND NORTHERN PUEBLO
   COUNTIES...

A THUNDERSTORM WILL MOVE ACROSS HIGHWAYS 50/96 BETWEEN PUEBLO AND
AVONDALE BY 700 PM MDT AND ANOTHER THUNDERSTORM WILL MOVE BETWEEN
MONUMENT AND COLORADO SPRINGS ALONG INTERSTATE 25 THROUGH 715 PM MDT.
AT 644 PM MDT PUEBLO DOPPLER RADAR INDICATED DEVELOPING THUNDERSTORMS 11
MILES NORTH OF DOWNTOWN COLORADO SPRINGS AND 9 MILES NORTHEAST OF
DOWNTOWN PUEBLO.  THESE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT
10 MPH.

THESE THUNDERSTORMS CAN BRING DEADLY LIGHTNING...AND MAY PRODUCE 1/2
INCH DIAMETERT OR SMALLER HAIL...GUSTY WINDS AROUND 45 MPH AND BRIEF
HEAVY RAINFALL.

STAY TUNED FOR THE LATEST INFORMATION CONCERNING THIS WEATHER SITUATION.

JK
Special weather statement, Jul 11, 7:52 PM MDT, 28 minutes before
COZ068-071-073-120250-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
752 PM MDT THU JUL 11 1996

...THUNDERSTORMS IN SOUTHERN EL PASO AND EASTERN FREMONT
   COUNTIES AND EXPECTED TO MOVE INTO NORTHWESTERN PUEBLO COUNTY...

THUNDERSTORMS ARE EXPECTED TO MOVE ALONG AND WEST OF INTERSTATE 25
SOUTH OF FOUNTAIN THROUGH 800 PM MDT AND THEN ARE EXPECTED TO AFFECT
THE COMMUNITIES OF PINON AND PUEBLO WEST BY 830 PM MDT WHILE ANOTHER
THUNDERSTORM IS EXPECTED TO MOVE BETWEEN CANON CITY AND THE ROYAL GORGE
THROUGH 830 PM MDT.  AT 752 PM MDT PUEBLO DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS 6 MILES NORTHWEST OF CANON CITY AND 9 MILES NORTH
OF PUEBLO WEST IN PUEBLO COUNTY. THESE THUNDERSTORMS WERE MOVING TO THE
SOUTH AT 10 MPH.

THESE THUNDERSTORMS CAN BRING DEADLY LIGHTNING...AND MAY PRODUCE 1/2
INCH DIAMETER OR SMALLER HAIL...GUSTY WINDS AROUND 45 MPH AND BRIEF
HEAVY RAINFALL.

JK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 9:17 PM MDTSevere Thunderstorm WarningPUBPueblo78 min
Jul 11, 10:10 PM MDTFlash Flood WarningPUBPueblo3 hr
Jul 11, 11:06 PM MDTSevere Thunderstorm WarningPUBPueblo49 min
Jul 12, 12:58 PM MDTSevere Thunderstorm WarningPUBTeller47 min
Jul 12, 1:11 PM MDTTornado WarningPUBTeller49 min
Jul 12, 1:30 PM MDTSevere Thunderstorm WarningPUBEl Paso60 min
Jul 12, 1:59 PM MDTSevere Thunderstorm WarningPUBTeller61 min
Jul 12, 2:29 PM MDTSevere Thunderstorm WarningPUBEl Paso61 min
Jul 12, 3:19 PM MDTSevere Thunderstorm WarningPUBCuster, Fremont61 min
Jul 12, 3:27 PM MDTSevere Thunderstorm WarningPUBEl Paso, Pueblo58 min
Jul 12, 3:48 PM MDTSevere Thunderstorm WarningPUBCuster62 min
Jul 12, 4:07 PM MDTFlash Flood WarningPUBFremont118 min
Jul 12, 4:46 PM MDTSevere Thunderstorm WarningPUBOtero44 min
Jul 12, 4:52 PM MDTSevere Thunderstorm WarningPUBCrowley33 min
Jul 12, 5:22 PM MDTSevere Thunderstorm WarningPUBBent48 min
Jul 12, 5:33 PM MDTSevere Thunderstorm WarningPUBOtero47 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.