Alert archive / Colorado / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 9, NWS Pueblo, CO

May 21, 1989Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at May 21, 1989, 6:47 PM MDT for Prowers County, Colorado. It was in force for 58 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
May 21, 1989, 6:47 PM MDT (00:47 UTC)
Expired
May 21, 1989, 7:45 PM MDT
In force
58 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County 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
May 21, 7:09 PM MDTHail 1Prowers, 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, 0.8 hours before the alert went out and 220 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 1989-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2824 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 1989-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939587897Sfc1 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
2824 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1775 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPUB 220047
SVRPUB
COC099-220145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE PUEBLO CO
647 PM MDT SUN MAY 21 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 745 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTHEAST PART OF COLORADO
      PROWERS

 THIS WARNING INCLUDES THE FOLLOWING TOWNS AND CITIES...
 LAMAR...KORNMAN...BRISTOL...GRANADA AND HOLLY.

A SEVERE THUNDERSTORM WAS ON THE KIOWA/PROWERS COUNTY LINE
MOVING SOUTH SOUTHEAST AT 20 MPH. AN ADDITIONAL REPORT
OF MARBLE AND TENNIS SIZE HAIL WAS REPORTED IN EADS AS WELL AS
PEA SIZE HAIL IN BRANDON IN KIOWA COUNTY AT 630 PM.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND NEAR WINDOWS.  DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED.  MOTORISTS
SHOULD AVOID LOW WATER CROSSINGS.

A TORNADO WATCH IS ALSO IN EF
FECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

TESAR

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, May 21, 4:22 PM MDT, 2 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
420 PM MDT SUN MAY 21 1989

AT 420 PM MDT LIMON RADAR INDICATED A LARGE THUNDERSTORM EAST OF
THE TOWN OF HUGO IN LINCOLN COUNTY COLORADO ABOUT 25 MILES SOUTH
EAST OF LIMON COLORADO MOVING TO THE EAST AT ABOUT 20 MPH.

THIS STORM COULD PRODUCE LOCALLY HEAVY RAIN...HAIL AND STRONG
GUSTY WIND.

PERSONS SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS
AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING
WEATHER APPROACHES.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TV STATIONS
FOR FURTHER INFORMATION REGARDING UPDATES ON LOCAL WEATHER
CONDITIONS.
HUBER
Special weather statement, May 21, 6:30 PM MDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
620 PM MDT SUN MAY 21 1989

THE SEVERE THUNDERSTORM WARNING ISSUED AT 508 PM MDT FOR WESTERN
KIT CARSON COUNTY AND NORTHEAST LINCOLN COUNTY IN COLORADO HAS
EXPIRED.  THE TORNADO WARNING ISSUED AT 541 PM MDT FOR WEST CENTRAL
CHEYENNE COUNTY COLORADO HAS ALSO EXPIRED.  GOLF BALL SIZE HAIL
AND BROKEN WINDSHELDS WERE REPORTED SOUTH OF THE TOWN OF KIT CARSON
BY THE CHEYENNE COUNTY SHERIFF.

RAIN SHOWERS AND A FEW THUNDERSTORMS CONTINUE IN KIT CARSON COUNTY
AND IN CHEYENNE COUNTY BUT THE LARGE THUNDERSTORMS HAVE MOVED TO
THE SOUTH INTO KIOWA COUNTY WHERE A SEVERE THUNDERSTORM WARNING
AND A TORNADO WARNING ARE CURRENTLY IN EFFEGCT.

A TORNADO WATCH REMAINS IN EFFECT FOR SOME OF THE SOUTHEAST COUNTIES
OF COLORADO UNTIL MIDNIGHT TONIGHT.
HUBER

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 6:02 PM MDTSevere Thunderstorm WarningPUBKiowa58 min
May 21, 6:23 PM MDTTornado WarningPUBKiowa52 min

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.