Alert archive / Colorado / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 1, NWS Pueblo, CO

April 9, 1990Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Apr 9, 1990, 4:19 PM MDT for Prowers County, Colorado. It was in force for 21 min.

The area

The counties it named.

The facts

Issued
Apr 9, 1990, 4:19 PM MDT (22:19 UTC)
Expired
Apr 9, 1990, 4:40 PM MDT
In force
21 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.

The nearest sounding before it

Fort Carson/Butt, CO (KFCS), launched 12:00Z, 10.3 hours before the alert went out and 217 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, Fort Carson/Butt, CO at 12:00Z on 1990-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Carson/Butt, CO at 12:00Z on 1990-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.1939Sfc1 km3 km6 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
2059 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
16 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 092219
SVRPUB
COC099-092315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE PUEBLO CO
419 PM MDT MON APR 9 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 515 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTHEAST PART OF COLORADO
      NORTHERN PROWERS

 AT 355 PM MDT DTHIS TUESDAY AFTERNOON A SPOTTER IN THE TOWN OF
 KORRMAN COLORADO...ABOUT 43 MILES NORTHWEST OF LA JUNTA COLORADO..
 REPORTED 3/4 INCH HAIL.  THE STORM IS MOVING TOWARD THE SOUTHEAST

AT ABOUT 25 MPH.  THE TOWNS OF BRISTOL AND HOLLY ARE IN THE PATH OF
THE STORM.   THE STORM SHOULD REACH HOLLY COLORADO BY ABOUT 5PM.

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 jINTO AREAS WHERE WATER COVERS THE ROAD.

MOORE

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, Apr 9, 12:49 PM MDT, 3 hours 30 minutes before
COZALL-092000

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALAMOSA CO
1250 PM MDT MON APR 9 1990

...PEA SIZE HAIL IN THE SAN LUIS VALLEY...

AT 1245 PMEA SIZE HAIL WAS REPORTED 7 MILES WEST OF ALAMOSA ANDHERN
COLORADO THIS MORNING...BETWEEN 530 AND 630 CONDITION SOUTH OF PUEBLO
...ON I-25 TO WALSENBURG DENSE FOG VISIBILITY WAS ZERO AT TIMES...
FROM PUEBLO TO WALSENBURG SNOW COVER WAS 1" WITH WALSENBURG HAVING

1-2" ON THE GROUND...BETWEEN 630 AND 730 FROM WALSENBURG TO LA VETA

AND FT. GARLAND PATCHY FOG 3" SNOW OVER LA VETA 1" AT FT. GARLAND.
ROAD CONDITIONS WERE SLUSHY AND ICY FROM WALSENBURG TO
PUEBLO...WALSENBURG TO LAVETA AND INTO FT GARLAND SNOWPACKED AND ICY.

IMPROVING CONDITIONS THE REST OF THE DAY OVER THE SAN LUIS VALLEY AND
LOOK FOR PLENTY OF SUNSHINE OVER THE WEEKEND ALONG WITH A WARMING
TREND AND ISOLATED THUNDERSHOWERS. A RETURN TO SPRING WEATHER EARLY
PART OF NEXT WEEK.

GALLEGOS/BARNETT
Special weather statement, Apr 9, 12:55 PM MDT, 3 hours 24 minutes before
COZ009-092000

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALAMOSA CO
1250 PM MDT MON APR 9 1990

...PEA SIZE HAIL IN THE SAN LUIS VALLEY...

AT 1245 PM PEA SIZE HAIL WAS REPORTED 7 MILES WEST OF ALAMOSA AND THE
SHOWERS AND THUNDERSTORMS WERE MOVING EAST. HEAVY RAINS WERE ALSO
REPORTED WITH THESE THUNDERSTORMS.

THUNDERSTORMS ARE EXPECTED TO CONTINUE THIS AFTERNOON AND DECREASE
BY THIS EVENING.
GALLEGOS/BARNETT
Special weather statement, Apr 9, 1:02 PM MDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
110 PM MDT MON APR 9 1990

...THUNDERSTORMS RUMBLING IN EASTERN COLORADO...

AT 1 PM THIS AFTERNOON RADAR REPORTED THUNDERSTORMS NEAR THE TOWNS
OF YODER AND RUSH IN EASTERN EL PASO COUNTY OF COLORADO.   THESE
THUNDERSTORMS WILL PRODUCE BRIEF HEAVY RAIN..STRONG GUSTY WINDS
AND SMALL HAIL AS THEY MOVE TO THE EAST-SOUTHEAST AT 20 MPH.

SCATTERED SHOWERS AND THUNDERSTORMS WILL CON
TINUE OVER MOST OF
EASTERN COLORADO THIS AFTERNOON AND THIS EVENING BEFORE DISIPATING
THIS EVEN.  PERSONS IN EASTERN COLORADO SHOULD BE ALERT TO ANY
RAPIDLY CHANGING WEATHER CONDITION.

HAVILL
Special weather statement, Apr 9, 3:24 PM MDT, 55 minutes before
COZ015-016-017-092230-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
320 PM MDT MON APR 9 1990

...THUNDERSTORMS OVER SOUTHEAST COLORADO...

AT 315 PM THIS MONDAY AFTERNOON THUNDERSTORMS...SOME WITH HEAVY
RAIN...STRONG GUSTY WIND AND SOME SMALL HAIL WERE LOCATED JUST TO THE
WEST OF PUEBLO IN PUEBLO COUNTY COLORADO AND OTHERS IN KIOWA COUNTY.
THE HEAVIEST STORMS ARE ABOUT 15 MILES SOUTH OF EADS AND 10 MILES EAST
OF SHERIDAN LAKE BOTH IN KIOWA COUNTY.  STORMS ARE MOVING TOWARD THE
EAST AT ABOUT 25 MPH.

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE THROUGH THE EVENING
HOURS.  SOME SMALL STREAM FLOODING MAY OCCUR ESPECIALLY IN THE CENTRAL
AND EAST PARTS OF KIOWA COUNTY UNTIL ABOUT 530 PM.

PERSONS IN SOUTHEAST COLORADO SHOULD BE WATCHFUL FOR HEAVY RAIN AND
SLOW DOWN IF DRIVING WHEN VISIBILITY IS REDUCED.  DO NOT DRIVE THROUGH
MOVING WATER.  PARENTS SHOULD KEEP CHILDREN AWAY FROM FAST MOVING WATER.

LISTEN TO LOCAL RADIO AND TV STATIONS OR NOAA WEATHER RADIO
FOR THE LATEST INFORMATION CONCERNING THESE STORMS
MOORE

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.