Alert archive / Colorado / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 4, NWS Pueblo, CO
NWS Pueblo, CO issued this severe thunderstorm warning at May 11, 1991, 6:00 PM MDT for Kiowa County, Colorado. It was in force for 20 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 11, 1991, 6:00 PM MDT (00:00 UTC)
- Expired
- May 11, 1991, 6:20 PM MDT
- In force
- 20 min
- Issued by
- NWS Pueblo, CO
- Area
- Whole counties
County Kiowa County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 11, 6:00 PM MDT | Hail 1.75 | Kiowa, 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 00:00Z, 0.0 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.
- Mixed-layer CAPE
- 221 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 3603 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KPUB 120000
SVRPUB
COC061-120100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
600 PM MDT SAT MAY 11 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 700 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE SOUTHEAST PART OF COLORADO
CENTRAL KIOWA
THIS WARNING INCLUDES THE FOLLOWING TOWNS AND CITIES...EADS AND
CHIVINGTON.
AT 555 PM MDT A SEVERE THUNDERSTORM WAS 8 MILES SOUTH OF EADS IN
CENTRAL KIOWA COUNTY. NEAR GOLF BALL SIZE HAIL WAS REPORTED 10
MILES SOUTH OF EADS. THE STORM WAS MOVING NORTH 35 MPH AND SHOULD
APPROACH EADS SHORTLY AFTER 6 PM.
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.
A TORNADO WATCH IS ALSO IN EFFECT 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 CONDIT(IONS.
GRAYWhat 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 11, 4:06 PM MDT, 1 hour 54 minutes before
COZ016-017-112300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 405 PM MDT SAT MAY 11 1991 ...TORNADO WATCH FOR PART OF EASTERN COLORADO UNTIL 9 PM MDT... AT 4 PM STRONG THUNDERSTORMS WITH POSSIBLE HAIL AND HEAVY RAIN WERE 5 MILES WEST AND 10 MILES SOUTHWEST OF THE TOWN OF EADS IN KIOWA COUNTY...MOVING NORTH AT 30 MPH. PEOPLE NEAR THESE THUNDERSTORMS SHOULD BE ALERT TO THE THREAT OF SEVERE WEATHER IN THEIR AREA. IF THE WEATHER BECOMES THREATENING... HEAD INDOORS TO STURDY SHELTER...AWAY FROM WINDOWS. OTHER THUNDERTORMS CONTINUE TO DEVELOP ALONG THE EASTERN BORDER COUNTIES OF COLORADO...SO STAY TUNED TO LOCAL MEDIA OR NOAA WEATHER RADIO FOR UPDATES AND POSSIBLE WARNINGPS. TESAR
Special weather statement, May 11, 5:25 PM MDT, 35 minutes before
COZ016-017-120130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 515 PM MDT SAT MAY 11 1991 ...TORNADO WATCH FOR PART OF EASTERN COLORADO UNTIL 9 PM MDT... AT 515 PM MDT STRONG THUNDERSTORMS WITH HEAVY RAIN AND POSSIBLE HAIL HAD DEVELOPED OVER SOUTHEAST BENT AND SOUTHWEST PROWERS COUNTIES OF SOUTHEAST COLORADO. THIS THUNDERSTORM WAS ABOUT 20 MILES SOUTHWEST OF LAMAR...AND WAS MOVING NORTH 35 MPH. THIS STORM SHOULD STRIKE A PATH BETWEEN TOWNS IN EASTERN BENT COUNTY ...SUCH AS CADDOA...HASTY AND MCCLAVE AND WESTERN PROWERS COUNTY SUCH AS LAMAR AND WILEY BEFORE 6 PM MDT THIS EVENING. PEOPLE NEAR THE STORM...AS WELL AS PEOPLE IN EASTERN BENT AND WESTERN PROWERS COUNTIES SHOULD REMAIN ALERT TO THIS STORM. BE PREPARED TO MOVE TO SAFE SHELTER...INDOORS AND AWAY FROM WINDOWS IF THE WEATHER BECOMES THREATENING. THE NATIONAL WEATHER SERVICE WILL WATCH THIS STORM CLOSELY AS IT DEVELOPS AND MOVES NORTH THROUGH BENT AND PROWERS COUNTIES. STAY TUNED TO LOCAL RADIO OR TV...OR NOAA WEATHER RADIO FOR FURTHER UPDATES AND POSSIBLE WARNINGS. GRAY
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 6:47 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 58 min |
| May 11, 7:48 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 57 min |
| May 11, 8:46 PM MDT | Tornado Warning | PUB | Baca | 29 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1991Every severe thunderstorm warning in 1991
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.