Alert archive / Colorado / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 29, NWS Pueblo, CO

August 19, 1989Baca County, Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Aug 19, 1989, 10:40 PM MDT for Baca County, Prowers County, Colorado. It was in force for 50 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
Aug 19, 1989, 10:40 PM MDT (04:40 UTC)
Expired
Aug 19, 1989, 11:30 PM MDT
In force
50 min
Issued by
NWS Pueblo, CO
Area
Whole counties

Counties Baca County, CO, Prowers County, CO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Aug 19, 10:57 PM MDTHail 3Baca, 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

Dodge City, (KDDC), launched 00:00Z, 4.7 hours before the alert went out and 227 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, Dodge City, at 00:00Z on 1989-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2129 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, Dodge City, at 00:00Z on 1989-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
2129 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1429 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDEN 200447
SVRPUB
COC099-009-200530-
 
BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
ISSUED BY NWS DENVER
1040 PM MDT SAT AUG 19 1989
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1130 PM MDT FOR PEOPLE IN THE
FOLLOWING COUNTIES OF SOUTHEAST COLORADO:
 
     SOUTHEAST PROWERS
     NORTHEAST BACA
 
INCLUDING THE FOLLOWING TOWNS/CITIES:
 
     TWO BUTTES..WEBB..BARTLETT..HOLLY..LYCAN..STONINGTON AND WALSH
 
AT 1040 PM MDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ACROSS
SOUTHCENTRAL PROWERS COUNTY AND NORTHEAST BACA COUNTY.  MOVEMENT OF THE
STORMS WAS TOWARD THE EAST AT 30 MPH.
 
IF SEVERE WEATHER APPROACHES YOUR AREA..GO TO A STURDY
SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD PRONE AREAS.
REMEMBER..A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING
HAIL..DAMAGING WINDS OF OVER 60 MPH..DEADLY LIGHTNING..AND
HEAVY RAINS THAT CAN QUICKLY FLOOD A LOW LYING AREA.
 
INTENSE LIGHTNING IS REPORTED WITH THIS STORM.  IF OUTDOORS..
STAY AWAY FROM HIGH OBJECTS.  MOVE INDOORS IF POSSIBLE.  WHEN
INDOORS..STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING
TELEPHONES AND ELECTRICAL EQUIPMENT.
 
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE
IN DENVER..OR CALL YOUR REPORT TO THE NATIONAL WEATHER SERVICE
AT 361-0663.  DO NOT CALL THIS NUMBER FOR INFORMATION.
 
JLW
LAT..LON  3790 10260 3808 10205 3723 10205 3734 10260

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 19, 5:12 PM MDT, 5 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
510 PM MDT SAT AUG 19 1989

...THUNDERSTORMS IN NORTHERN CHEYENNE COUNTY COLORADO...

AT 505 PM MDT RADAR INDICATED A HEAVY THUNDERSTORM WAS OVER
NORTHERN CHEYENNE COUNTY..12 MILES NORTH OF WILD HORSE AND IS
MOVING TO THE EAST AT 30 MPH.

THESE STORMS CAN PRODUCE BRIEF HEAVY RAIN..STRONG GUSTY WINDS..
HAIL AND FREQUENT LIGHTNING.

PERSONS LIVING IN WILD HORSE..KIT CARSON..FIRSyT VIEW AND CHEYENNE
WELLS SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE
PREPARED TO MOVE TO A PLACE OF SAFETY.

HAVILL
Special weather statement, Aug 19, 6:12 PM MDT, 4 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
610 PM MDT SAT AUG 19 1989

...THUNDERSTORMS CONTINUE IN CHEYENNE COUNTY COLORADO...

AT 605 PM MDT RADAR INDICATED A HEAVY THUNDERSTORM WAS OVER
FIRST VIEW IN CENTRAL CHEYENNE COUNTY AND MOVING TO THE SOUTH-
EAST AT 30 MPH.

THESE STORMS CAN PRODUCE BRIEF HEAVY RAIN..STRONG GUSTY WINDS..
HAIL AND FREQUENT LIGHTNING.

PERSONS LIVING IN WILD HORSE..KIT CARSON..FIRST VIEW AND CH#EYENNE
WELLS SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE
PREPARED TO MOVE TO A PLACE OF SAFETY.

HAVILL

Nearby

Severe Thunderstorm Warnings in Colorado, 1989Every severe thunderstorm warning in 1989

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.