Alert archive / Colorado / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 3, NWS Goodland, KS

May 8, 1990Cheyenne County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at May 8, 1990, 7:37 PM MDT for Cheyenne County, Colorado. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
May 8, 1990, 7:37 PM MDT (01:37 UTC)
Expired
May 8, 1990, 8:45 PM MDT
In force
68 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Cheyenne 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 00:00Z, 1.6 hours before the alert went out and 128 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 00:00Z on 1990-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1990-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939587897117Sfc1 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
NaN m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
231 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 KCOS 090138
SVRCOS
COC017-090245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
737 PM MDT TUE MAY 8 1990
 
THE NATIONAL WEATHER SERVICE IN COLORADO SPRINGS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM MDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL COLORADO
          ...CHEYENNE
 
AT 635 RADAR INDICATED HEAVY THUNDERSTORMS WERE LOCATED 8 MILES SOUTH
OF WILD HORSE IN WESTERN CHEYENNE COUNTY. THESE STORMS CAN PRODUCE
BRIEF HEAVY RAIN..STRONG GUSTY WINDS AND HAIL AS THEY MOVE TO THE EAST
AT 35 MPH.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND 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 ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 8, 6:12 PM MDT, 1 hour 25 minutes before
KSZ001-002-090110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
610 PM MDT TUE MAY 8 1990

A STRONG LINE OF THUNDERSTORMS IN NORTHEAST COLORADO IS MOVING EAST AND
SOUTHEAST TOWARD EXTREME NORTHWEST KANSAS. THE STORMS ARE 50 MILES WEST
OF GOODLAND WITH THE STRONGEST CENTER WITHIN A 20 MILE RADIUS OF JOES.

THE STORMS SHOULD ARRIVE IN NORTHWEST KANSAS BY 7PM AND IN THE GOODLAND
AND ST FRANCIS AREAS BETWEEN 730 AND 8PM MDT.

STRON;G GUSTY WINDS...BRIEF VERY HEAVY RAINS...DANGEROUS LIGHTNING...AND
SOME SMALL HAIL CAN BE EXPECTED WITH THE HEAVIER STORM CENTERS.

MYERS
Special weather statement, May 8, 6:57 PM MDT, 40 minutes before
KSZ001-002-090210-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
755 PM MDT TUE MAY 8 1990

.....SEVERE THUNDERSTORM WATCH #202 FOR WESTERN KANSAS TILL 1AM MDT...

A GUST FRONT IN ADVANCE OF THE THUNDERSTORMS STRETCHES FROM 30 MILES
NORTH OF GOODLAND TO 30 MILES SOUTHWEST OF GOODLAND MOVING SOUTHEAST
35 MPH. THE 40 TO 50 MPH WINDS WILL BE IN THE GOODLAND AREA BETWEEN 7
AND 715PM MDT.

THUNDERSTORMS ALONG THE KANSAS...COLORADO BORDER WEST OF GOODLAND
ARE MOVING SOUTHEAST 35 MPH. LOTS OF DANGEROUS LIGHTNING...BRIEF VERY
HEAVY RAINS...AND SOME SMALL HAIL CAN BE EXPECTED WITH THE STORNGER
STORM CENTERS.

THE STRONG STORM CENTERS WILL ARRIVE IN GOODLAND BETWEEN 715 AND 730.

MYERS
Special weather statement, May 8, 7:02 PM MDT, 35 minutes before
KSZ001-002-090210-

SPECIAL WEATHER STATEMENT .....CORRECTION TO TIME.....
NATIONAL WEATHER SERVICE GOODLAND KS
655 PM MDT TUE MAY 8 1990

.....SEVERE THUNDERSTORM WATCH #202 FOR WESTERN KANSAS TILL 1AM MDT...

A GUST FRONT IN ADVANCE OF THE THUNDERSTORMS STRETCHES FROM 30 MILES
NORTH OF GOODLAND TO 30 MILES SOUTHWEST OF GOODLAND MOVING SOUTHEAST
35 MPH. THE 40 TO 50 MPH WINDS WILL BE IN THE GOODLAND AREA BETWEEN 7
AND 715PM MDT.

THUNDERSTORMS ALONG THE KANSAS...COLORADO BORDER WEST OF GOODLAND
ARE MOVING SOUTHEAST 35 MPH. LOTS OF DANGEROUS LIGHTNING...BRIEF VERY
HEAVY RAINS...AND SOME SMALL HAIL CAN BE EXPECTED WITH THE STORNGER
STORM CENTERS.

THE STRONG STORM CENTERS WILL ARRIVE IN GOODLAND BETWEEN 715 AND 730.

MYERS
Special weather statement, May 8, 7:28 PM MDT, 9 minutes before
KSZ001-002-004-090230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
725 PM MDT TUE MAY 8 1990

.....SEVERE THUNDERSTORM WATCH #202 FOR WESTERN KANSAS TILL 1AM MDT...

A GUST FRONT IN ADVANCE OF THE THUNDERSTORMS STRETCHES FROM 30 MILES
NORTHEAST OF GOODLAND TO 30 MILES SOUTH OF GOODLAND MOVING SOUTHEAST
35 MPH. A 52 MPH WIND GUST WAS RECORDED AT THE GOODLAND AIRPORT AT
721PM MDT. THE GUST FRONT WILL BE IN THE ATWOOD...COLBY...ANDC SHARON
SPRINGS AREAS BY 8PM MDT.

A LINE OF THUNDERSTORMS FROM 40 MILES NORTHEAST OF GOODLAND TO 50 MILES
SOUTHWEST OF GOODLAND ARE MOVING SOUTHEAST 35 MPH. PEA SIZE HAIL WAS
REPORTED 10 MILES NORTHWEST OF GOODLAND AT 7PM MDT.

MYERS

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 6:59 PM MDTSevere Thunderstorm WarningGLDKit Carson61 min

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.