Alert archive / Colorado / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 18, NWS Pueblo, CO

September 17, 1990Kiowa County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Sep 17, 1990, 4:48 PM MDT for Kiowa County, Colorado. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Sep 17, 1990, 4:48 PM MDT (22:48 UTC)
Expired
Sep 17, 1990, 5:45 PM MDT
In force
57 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Kiowa County, CO

The radar

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

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.8 hours before the alert went out and 165 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 1990-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 1990-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
873 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
37 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 172248
SVRPUB
COC061-172345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE PUEBLO CO
448 PM MDT MON SEP 17 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 545 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTHEAST PART OF COLORADO
      WESTERN KIOWA

 THIS WARNING INCLUDES THE FOLLOWING TOWNS AND CITIES...HASWELL...
 GALATEA AND EADS.

A SEVERE THUNDERSTORM WITH HAIL WAS REPORTED OVER HASWELL COLORADO
IN WESTERN KIOWA COUNTY AT 442 PM MDT AND MOVING SOUTHEAST AT 15
MILES AN HOUR.

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.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.

CASEY

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, Sep 17, 1:44 PM MDT, 3 hours 4 minutes before
COZ009-172030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALAMOSA CO
140 PM MDT MON SEP 17 1990

...THUNDERSTORMS MOVING THROUGH THE SAN LUIS VALLEY...

SHORTLY AFTER 1200 PM MDT...THUNDERSTORMS WERE FORMING RAPIDLY OVER
THE MOUNTAINS TO THE WEST AND SOUTHWEST OF ALAMOSA. THESE
THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST.

AT 138 PM MDT...THE PUBLIC REPORTED PEA SIZE HAIL IN THE TOWN
OF MONTE VISTA APPROXIMATELY 17 MILES FROM THE ALAMOSA
AIRPORT.

PEOPLE NEAR THESE THUNDERSTORMS SHOULD EXPECT LOCALLY HEAVY RAINS...
STRONG GUSTY WINDS AND DANGEROUS LIGHTNING UNTIL AT LEAST 9 PM MDT.
REMAIN ALERT TO RAPIDLY CHANGING WEATHER AND MOVE TO SAFE SHELTER IF
THREATENING WEATHER APPROACH;ES.
BENTON
Special weather statement, Sep 17, 3:37 PM MDT, 1 hour 11 minutes before
COZ014-172235-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
335 PM MDT MON SEP 17 1990

...THUNDERSTORMS IN LINCOLN COUNTY COLORADO...

AT 330 MDT...LIMON RADAR INDICATED THUNDERSTORMS EXTENDING FROM LIMON
TO 25 MILES NORTHEAST OF LIMON.  THESE STORMS ARE MOVING TO THE EAST
AT 15 MILES PER HOUR.  OTHER STORMS ARE IN EXTREME SOUTHEAST LINCOLN
COUNTY AS WELL.

EXPECT BRIEF HEAVY RAIN...STRONG GUSTY WIND...FREQUENT LIGHTNING...AND
POSSIBLE SMALL HAIL.

PERSONS IN THESE AREAS SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER
AND SEEK SHELTER IF THREATENING WEATHER APPROACHES.

MCCAMMON
Special weather statement, Sep 17, 4:11 PM MDT, 37 minutes before
COZ015-016-017-172330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
410 PM MDT MON SEP 17 1990

...THUNDERSTORMS SOME WITH HEAVY RAINS IN SOUTHEAST COLORADO...

AT 405 PM MDT SHOWERS AND THUNDERSTORMS...SOME WITH HEAVY RAINS...
WERE SCATTERED AROUND SOUTHEAST COLORADO. THE STRONGEST STORMS WERE
IN BENT COUNTY AND ONE WAS MOVING INTO NORTHWESTERN KIOWA COUNTY.
THESE STORMS WERE MOVING EAST AT 10 MILES AN HOUR.

STRONG GUSTY WINDS...SMALL HAIL AND DANGEROUS LIGHTNING AS WELL AS
THE HEAVY RAINS MAY ACCOMPANY THE THUNDERSTORMS. PEOPLE SHOULD REMAIN
ALERT AND IF THREATENING WEATHER APPROACHES SEEK SAFE SHELTERS. THE
STORMS WILL DECREASE AFTER SUNSET AND SHOULD END BY MIDNIGNT OV`ER
SOUTHEAST COLORADO.

CASEY
Special weather statement, Sep 17, 4:27 PM MDT, 21 minutes before
COZ014-172335-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
435 PM MDT MON SEP 17 1990

... THUNDERSTORMS CONTINUE EAST ...

AT 430 MDT...LIMON RADAR INDICATED A LINE OF THUNDERSTORMS...SOME WITH
HEAVY RAIN AND SMALL HAIL...FROM ABOUT 25 MILES NORTHEAST OF LIMON IN
NORTHERN LINCOLN COUNTY TO ABOUT 15 MILES SOUTHEAST OF KARVAL IN SOUTHERN
LINCOLN COUNTY.

THE PUBLIC HAS REPORTED SMALL HAIL AND BRIEF HEAVY RAIN WITH SOME qOF THESE
STORMS AS THEY MOVE TO THE EAST AT ABOUT 15 MPH.

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

CROWLEY

Nearby

Severe Thunderstorm Warnings in Colorado, 1990Every severe thunderstorm warning in 1990

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.