Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 220, NWS Pueblo, CO

August 17, 1996Custer County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Aug 17, 1996, 5:39 PM MDT for Custer County, Colorado. It was in force for 61 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: Aug 17, 1996, 5:39 PM MDT (23:39 UTC)
Expired: Aug 17, 1996, 6:40 PM MDT
In force: 61 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 23:42 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 12:00Z, 11.7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2061 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: -56 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 172339
SVRPUB
COC027-180040-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
539 PM MDT SAT AUG 17 1996

* SEVERE THUNDERSTORM WARNING FOR
  CUSTER COUNTY      IN SOUTHEAST COLORADO

* UNTIL 640 PM MDT
 
* SOME LOCATIONS AFFECTED
    IN THE VICINITY OF WESTCLIFFE THROUGH 6 PM.

* AT 539 PM RADAR SHOWED A SEVERE STORM 1 MILE SOUTH OF WESTCLIFFE
  MOVING SOUTHEAST AT 10 MPH.

LISTEN TO NOAA WEATHER RADIO FOR FOLLOW UP STATEMENTS AND
WARNINGS FROM THE NATIONAL WEATHER SERVICE IN PUEBLO.

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

JKH

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, Aug 17, 12:12 PM MDT, 5 hours 27 minutes before

COZ060>081-180600-

SIGNIFICANT WEATHER OUTLOOK FOR SOUTH CENTRAL AND SOUTHEAST
COLORADO
NATIONAL WEATHER SERVICE PUEBLO CO
1215 PM MDT SAT AUG 17 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

A MUCH DRIER AND STABLE AIRMASS IS OVER SOUTHEAST AND SOUTH
CENTRAL COLORADO TODAY.  THEREFORE...THUNDERSTORMS WILL NOT
DEVELOP UNTIL LATE AFTERNOON AND EVENING...WITH LOW AREAL
COVERAGE EXPECTED.

IN ADDITION...THUNDERSTORMS ARE EXPECTED TO BE HIGH
BASED...PRODUCING GUSTY WINDS TO 40 MPH...BUT LITTLE RAIN.

DUE TO WARM TEMPERATURES ALOFT...HAIL IS UNLIKELY TODAY.

FROM LA JUNTA EAST...DRY AND STABLE AIR IS EXPECTED TO INHIBIT
THUNDERSTORM FORMATION TODAY.

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

HAYNES

Special weather statement, Aug 17, 3:53 PM MDT, 1 hour 46 minutes before

COZ060>063-172300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
353 PM MDT SAT AUG 17 1996

EXPECT BRIEF HEAVY RAINFALL...WIND GUSTING AS HIGH AS 45 MPH...AND HAIL
TO 1/2 INCH IN DIAMETEVR...BETWEEN SOUTH FORK AND DEL NORTE THROUGH
445 PM MDT.

AT 350 PM MDT DOPPLER RADAR IN PUEBLO SHOWED THE STRONGEST STORM
LOCATED ABOUT 5 MILES WEST OF DEL NORTE.  LITTLE MOVEMENT HAS BEEN
NOTED WITH THIS STORM.

Special weather statement, Aug 17, 4:45 PM MDT, 54 minutes before

COZ065-067>069-172350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
445 PM MDT SAT AUG 17 1996

...STRONG THUNDERSTORMS DEVELOPING OVER FREMONT AND TELLER COUNTIES...

DEVELOPING STRONG THUNDERSTORMS WILL MOVE SLOWLY ACROSS WESTERN FREMONT
AND WESTERN TELLER COUNTIES THROUGH 545 PM MDT.  AT 445 PM MDT PUEBLO
DOPPLER RADAR INDICATED STRONG THUNDERSTORMS 8 MILES NORTHWEST OF
FLORISSANT IN TELLER COUNTY AND IN THE VICINITY OF WELLSVILLE IN
FREMONT COUNTY. THESE THUNDERSTORMS WERE NEARLY STATIONARY.

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

JK

Special weather statement, Aug 17, 5:16 PM MDT, 23 minutes before

COZ070-180020-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
516 PM MDT SAT AUG 17 1996

...STRONG THUNDERSTORMS DEVELOPING OVER CUSTER COUNTY...

STRONG THUNDERSTORMS WILL MOVE SLOWLY ACROSS CUSTER COUNTY THROUGH 615
PM MDT.  AT 516 PM MDT PUEBLO DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM 3 MILES SOUTHWEST OF WESTCLIFFE...OTHER THUNDERSTORMS WERE
ALONG HIGHWAY 96 BETWEEN WESTCLIFFE AND HIGHWAY 165 IN CUSTER COUNTY.
THESE THUNDLERSTORMS WERE NEARLY STATIONARY.

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

JK

Nearby

Severe Thunderstorm Warnings in Colorado, 1996 Every 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.