Alert archive / Kansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 73, NWS Kansas City, MO

June 21, 1990Linn County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 21, 1990, 3:00 PM CDT for Linn County, Kansas. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1990, 3:00 PM CDT (20:00 UTC)
Expired
Jun 21, 1990, 4:00 PM CDT
In force
60 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Linn County, KS

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

Topeka, KS (KTOP), launched 12:00Z, 8.0 hours before the alert went out and 112 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, Topeka, KS at 12:00Z on 1990-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 574 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, Topeka, KS at 12:00Z on 1990-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.19395878Sfc1 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
574 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
1507 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 212001
SVRMCI
KSC107-212100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
300 PM CDT THU JUN 21 1990
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL KANSAS
          ...LINN
 
AT 255 PM CDT... SEVERE THUNDERSTORMS WERE LOCATED 70 MILES SOUTHWEST
OF KANSAS CITY... IN EASTERN ANDERSON COUNTY KANSAS. THIS STORM WILL
MOVE ACROSS LINN COUNTY KANSAS BETWEEN 300 PM AND 400 PM. 2 INCH HAIL
WAS REPORTED WITH THIS STORM AT 245 PM SOUTH OF GARNETT KANSAS IN
ANDERSON COUNTY.
 
THIS STORM WAS MOVING EAST AT 30 MILES AN HOUR... AND WILL AFFECT THE
TOWNS OF BLUE MOUND... GOODRICH... AND MOUND CITY.
 
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.
 
LONGNECKER

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, Jun 21, 2:50 PM CDT, 10 minutes before
MOZ008-KSZ016-212045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
250 PM CDT THU JUN 21 1990

...STRONG THUNDERSTORMS WERE DEVELOPING OVER PARTS OF EASTERN KANSAS
AND MISSOURI THIS AFTERNOON...

AT 230 PM... SHOWERS AND ISOLATED THUNDERSTORMS... SOME WITH VERY
HEAVY RAIN... WERE OVER PARTS OF SOUTHEAST KANSAS AND SOUTHWEST
MISSOURI. THIS ACTIVITY WAS LOCATED FROM BETWEEN WICHITA AND SALINA
IN KANSAS SOUTHEAST TO JUST NORTH OF JOPLIN MISSOURI.

THE STRONGEST OF THESE STORMS WAS LOCATED 20 MILES NORTH OF CHANUTE
KANSAS. THIS STORM WAS MOVING EAST AT 25 MILES AN HOUR... AND WILL
MOVE INTO SOUTHERN LINN COUNTY KANSAS SHORTLY AFTER 300 PM. LOCALLY
HEAVY RAIN... BRIEF GUSTY WINDS AND SMALL HAIL MAY OCCUR WITH THIS
THUNDERSTORM.

OTHER THUNDERSTORMS HAD DEVELOPED OVER PARTS OF NORTHERN MISSOURI...
AND WERE LOCATED BETWEEN 40 AND 80 MILES NORTHEAST OF DOWNTOWN KANSAS
CITY NEAR THE TOWNS OF CHILLICOTHE AND BROOKFIELD. DUE TO RECENT
DEVELOPMENT OF THESE STORMS... NO MOVEMENT WAS DETERMINED.

OTHER SHOWERS AND ISOLATED THUNDERSTORMS WERE OVER PARTS OF SOUTHEAST
NEBRASKA AND SOUTHWEST IOWA... AND WERE MOVING EAST AT 30 MILES AN
HOUR.

LONGNECKER

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 5:00 PM CDTSevere Thunderstorm WarningEAXMiami60 min

Nearby

Severe Thunderstorm Warnings in Kansas, 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.