Alert archive / Colorado / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 18, NWS Pueblo, CO

June 20, 1992Custer County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 20, 1992, 3:56 PM MDT for Custer County, Colorado. It was in force for 64 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
Jun 20, 1992, 3:56 PM MDT (21:56 UTC)
Expired
Jun 20, 1992, 5:00 PM MDT
In force
64 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Custer County, CO

What was reported inside it

TimeReportWhereRemark
Jun 20, 4:35 PM MDTHail 1.75Custer, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 9.9 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 12:00Z on 1992-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 158 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1992-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
158 J/kg
Mixed-layer CIN
-455 J/kg
Mixed-layer LCL
938 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
71 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 202156
SVRPUB
COC027-202300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE PUEBLO CO
356 PM MDT SAT JUN 20 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 500 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTHEAST PART OF COLORADO
      CENTRAL AND EASTERN CUSTER

 THIS WARNING INCLUDES THE FOLLOWING TOWNS AND CITIES...WESTCLIFFE
 ...SILVERCLIFFE...WETMORE.

AT 350 PM MDT A SEVERE THUNDERSTORM WAS 8 MILES EAST OF WESTCLIFFE
...OR 10 MILES SOUTHWEST OF WETMORE IN CUSTER COUNTY. THIS STORM
HAD INCREASED RAPIDLY IN STRENGTH...WHILE SLOWING ITS MOVEMENT.
HAIL WAS INDICATED WITH THE STORM AS IT MOVED SLOWLY EAST.

THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING.  PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE A STRONG BUILDING.  ONCE
INSIDE...STAY AWAY FROM WINDOWS.

GRAY

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, Jun 20, 2:07 PM MDT, 1 hour 49 minutes before
COZ009-202130-

SPECIAL WEATHER STATEMENT AND SOUTH CENTRAL COLORADO WEATHER UPDATE
NATIONAL WEATHER SERVICE ALAMOSA CO
200 PM MDT SUN JUN 20 1992

...THUNDERSTORMS IN SOUTH CENTRAL COLORADO...

THUNDERSTORMS HAD FORMED OVER SEVERAL MOUNTAIN AREAS BY 200 PM MDT
SATURDAY AFTERNOON. SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS
SOUTH CENTRAL COLORADO INTO THE EVENING HOURS...WITH PARTIAL
CLEARING OVERNIGHT.

REMEMBER THAT THUNDERSTORMS ARE CAPABLE OF PRODUCING FREQUENT
DANGEROUS LIGHTNING...HAIL...LOCALLY HEAVY RAIN AND STRONG GUSTY
WINDS. HEAVY RAIN MAY CAUSE FLOODING OF HIGHWAYS...SMALL STREAMS AND
LOW LYING OR FLOOD PRONE AREAS.

PERSONS IN SOUTH CENTRAL COLORADO SHOULD REMAIN ALERT TO THREATENING
WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. THE SAFEST
PLACE DURING A THUNDERSTORMS IS INSIDE A STURDY SHELTER AWAY FROM
CREEK BEDS AND OTHER FLOOD PRONE AREAS. DO NOT SEEK SHELTER BENEATH
ISOLATED TREES OR NEAR TELEPHONE POLES.

REPORT ANY SEVERE WEATHER TO YOUR LOCAL OR STATE POLICE FOR RELAY TO
THE NATIONAL WEATHER SERVICE.

BTK
Special weather statement, Jun 20, 2:23 PM MDT, 1 hour 33 minutes before
COZ015-016-017-202215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
220 PM MDT SAT JUN 20 1992

...TORNADO WATCH FOR SOUTHEAST COLORADO UNTIL 800 PM MDT...

A TORNADO WATCH HAS BEEN ISSUED FOR NEARLY ALL OF SOUTHEAST
COLORADO UNTIL 800 PM MDT THIS SATURDAY AFTERNOON AND EVENING.

AT 215 PM MDT...THUNDERSTORMS WERE DEVELOPING ALONG THE SOUTHERN
FOOTHILLS OF SOUTHEAST COLORADO FROM AROUND SALIDA DOWN TO AROUND
LA VETA IN HUERFANO COUNTY. THE STORMS WERE MOVING EAST 20 TO 25
MPH.

PEOPLE ACROSS SOUTHEAST COLORADO SHOULD REMAIN CALM BUT PAY CLOSE
ATTENTION TO THE WEATHER IN THEIR AREA THIS AFTERNOON AND EVENING.
SOME STORMS MAY PRODUCE LARGE HAIL...DAMAGING WINDS...HEAVY RAINR
AND POSSIBLY TORNADOES. STAY TUNED TO RADIO...TV OR NOAA WEATHER
RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.  BE PREPARED TO
MOVE TO SAFE SHELTER WITHOUT DELAY IF THREATENING WEATHER APPROACHES.

GRAY
Special weather statement, Jun 20, 3:00 PM MDT, 56 minutes before
COZ015-016-017-202255-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
255 PM MDT SAT JUN 20 1992

...TORNADO WATCH FOR SOUTHEAST COLORADO UNTIL 800 PM MDT...

A TORNADO WATCH HAS BEEN ISSUED FOR NEARLY ALL OF SOUTHEAST
COLORADO UNTIL 800 PM MDT THIS SATURDAY AFTERNOON AND EVENING.

AT 250 PM MDT...THUNDERSTORMS CONTINUED TO DEVELOP ALONG THE SOUTHERN
FOOTHILLS FROM NEAR SALIDA ALONG THE FREMONT...CHAFFEE COUNTY LINES
TO SOUTHWEST OF TRINIDAD NEAR THE COLORADO...NEW MEXICO BORDER.
STORMS WITH LOCALLY HEAVY RAIN AND POSSIBLE SMALL HAIL WERE IN
SOUTHERN FREMONT COUNTY NEAR WETMORE...AND SOUTHWEST OF TRINIDAD.
THESE STORMS CONTINUED TO DEVELOP AND WERE MOVING EAST 20 TO 25 MPH.

PEOPLE ACROSS SOUTHEAST COLORADO SHOULD CONTINUE TO PAY CLOSE ATTENTION
TO THE WEATHER IN THEIR AREA THIS AFTERNOON AND EVENING. SOME OF THE
STORMS MAY PRODUCE LARGE HAIL...DAMAGING WINDS...HEAVY RAIN AND POSSIBLY
TORNADOES.  BE PREPARED TO MOVE T+O SAFE SHELTER WITHOUT DELAY IF
THREATENING WEATHER APPROACHES.

GRAY
Special weather statement, Jun 20, 3:02 PM MDT, 54 minutes before
COZ014-202200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
300 PM MDT SAT JUN 20 1992

...TORNADO WATCH UNTIL 8 PM FOR MOST OF EASTERN COLORADO...

A TORNADO WATCH IS IN EFFECT UNTIL 8 PM THIS EVENING FOR THE FOLLOWING
COLORADO COUNTIES..EL PASO-ELBERT-LINCOLN-WESTERN CHEYENNE AND WESTERN
KIT CARSON.  THE WATCH AREA INCLUDES THE CITIES OF COLORADO SPRINGS..
WOODLAND PARK..LIMON..CASTLE ROCK AND KIOWA.

AT 3PM..THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR THE TOWN OF
DECKERS..ABOUT 35 MILES NORTHWEST OF COLORADO SPRINGS..AND WERE
MOVING TO THE EAST AT 20 MPH.

PERSONS IN EASTERN COLORADO SHOULD REMAIN ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS THIS AFTERNOON AND THIS EVENING AND BE READY TO
MOVE TO A PLACE OF SAFETY IF NECESSARY.
HAVILL
Special weather statement, Jun 20, 3:26 PM MDT, 30 minutes before
COZ014-202325-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
325 PM MDT SAT JUN 20 1992

...TORNADO WATCH UNTIL 8 PM FOR MOST OF EASTERN COLORADO...

A TORNADO WATCH IS IN EFFECT UNTIL 8 PM THIS EVENING FOR THE FOLLOWING
COLORADO COUNTIES..EL PASO-ELBERT-LINCOLN-WESTERN CHEYENNE AND WESTERN
KIT CARSON.  THE WATCH AREA INCLUDES THE CITIES OF COLORADO SPRINGS..
WOODLAND PARK..LIMON..CASTLE ROCK AND KIOWA.

AT 315PM..THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR THE TOWN OF
WESTCREEK..ABOUT 30 MILES NORTHWEST OF COLORADO SPRINGS OR 15 MILES
NORTH OF WOODLAND PARK..MOVING TO THE SOUTH AT 20 MPH.

PERSONS IN EASTERN COLORADO SHOULD REMAIN ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS THIS AFTERNOON AND THIS EVENING AND BE READY TO
MOVE TO A PLACE OF SAFETY IF NECESSARY.
HAVILL
Special weather statement, Jun 20, 3:44 PM MDT, 12 minutes before
COZ015-016-017-202340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
340 PM MDT SAT JUN 20 1992

...TORNADO WATCH FOR SOUTHEAST COLORADO UNTIL 800 PM MDT...

A TORNADO WATCH HAS BEEN ISSUED FOR NEARLY ALL OF SOUTHEAST
COLORADO UNTIL 800 PM MDT THIS SATURDAY AFTERNOON AND EVENING.

AT 335 PM MDT...A STRONG THUNDERSTORM WITH POSSIBLE HAIL WAS IN
CUSTER COUNTY...FROM 7 MILES EAST OF WESTCLIFFE TO NEAR WETMORE
OR IN AN AREA FROM 25 TO 40 MILES WEST OF PUEBLO. THIS THUNDERSTORM
WAS MOVING EAST 15 MPH.

PEOPLE NEAR THIS STORM IN CUSTER COUNTY SHOULD REMAIN ALERT TO
THE POSSIBILITY OF HAIL...STRONG WINDS AND DANGEROUS LIGHTNING
WITH THIS STORM. MOVE TO A PLACE OF STURDY SHELTER I'F THREATENING
WEATHER APPROACHES.
GRAY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 6:40 PM MDTSevere Thunderstorm WarningPUBBaca65 min
Jun 19, 7:10 PM MDTTornado WarningPUBBaca35 min
Jun 19, 7:46 PM MDTTornado WarningPUBBaca14 min
Jun 20, 4:45 PM MDTSevere Thunderstorm WarningPUBPueblo60 min
Jun 20, 5:43 PM MDTSevere Thunderstorm WarningPUBPueblo32 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1992Every severe thunderstorm warning in 1992

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.