Alert archive / Kansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 66, NWS Kansas City, MO

June 18, 1990Leavenworth County, Wyandotte County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 18, 1990, 10:58 PM CDT for Leavenworth County, Wyandotte County, Kansas. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jun 18, 1990, 10:58 PM CDT (03:58 UTC)
Expired
Jun 18, 1990, 11:30 PM CDT
In force
32 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Leavenworth County, KS, Wyandotte 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 00:00Z, 4.0 hours before the alert went out and 66 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 00:00Z on 1990-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 681 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 00:00Z on 1990-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
681 J/kg
Mixed-layer CIN
-251 J/kg
Mixed-layer LCL
2000 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
253 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 190358
SVRMCI
KSC103-209-190430-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1058 PM CDT MON JUN 18 1990
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL KANSAS
          ...LEAVENWORTH...WYANDOTTE
 
AT 1030PM A THUNDERSTORM PRODUCED A GUST OF 59 MPH AT THE KANSAS CITY
INTERNATIONAL AIRPORT. THIS STORM WAS MOVING SOUTHEAST AT 40 MILES AN
HOUR.
 
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNINGq ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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 18, 9:43 PM CDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
940 PM CDT MON JUN 18 1990

AT 930 PM...AN AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH VERY
HEAVY RAIN...WERE IN EXTREME NORTHWEST MISSOURI AND NORTHEAST KANSAS.

THUNDERSTORMS WITH VERY HEAVY RAIN WERE NEAR MOUND CITY MISSOURI...
30 MILES NORTHWEST OF ST JOSEPH...AND NEAR CORNING KANSAS...50
MILES WEST OF ST JOSEPH.  THESE THUNDERSTORMS WILL MOVE INTO THE
ST JOSEPH AREA WITHIN THE HOUR.  VERY HEAVY RAIN AND GUSTY WINDS
WILL ACCOMPANY THESE STORMS.

THE AREA OF SHOWERS AND THUNDERSTORMS WERE WEST OF A LINE FROM
40 MILES NORTHEAST OF ST JOSEPH TO 50 MILES WEST OF KANSAS CITY TO
40 MILES SOUTHWEST OF TOPEKA KANSAS.  MOVEMENT WAS SOUTHEAST AT
40 MILES AN HOUR.
Special weather statement, Jun 18, 10:03 PM CDT, 55 minutes before
MOZ008-004-001-190300

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
950 PM CDT MON JUN 18 1990

...CANCEL SEVERE THUNDERSTORM WATCH FOR THAT SMALL PART OF NORTHWEST
MISSOURI...

SEVERE THUNDERSTORM WATCH NUMBER 493...EFFECTIVE UNTIL 1AM CDT
HAS BEEN CANCELLED FOR HOLT AND ANDERW COUNTIES IN NORTHWEST MISSOURI.
THEY WERE THE ONLY MISSOURI COUNTIES IN THE WATCH.
STRONG THUNDERSTORMS CONTINUED TO MOVE THROUGH NORTHWEST MISSOURI FROM
KING CITY /20 MILES NORTH OF ST JOSEPH\..SOUTHWEST TO NEAR ATCHISON
KANSAS AND ON TO NORTH OF TOPEKA.
STORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR.  NO SEVERE WEATHER
HAD BEEN REPORTED IN MISSOURI.  BREIF HEAVY RAIN AN-D GUSTY WIND WILL
ACCOMPANY THESE STORMS AS THEY MOVE THROUGH YOUR AREA.
LOCALLY..THUNDERSTORMS ARE ENTERING THE KANSAS CITY AREA FROM THE
NORTHWEST.
Special weather statement, Jun 18, 10:26 PM CDT, 32 minutes before
MOZ008-190400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
1020 PM CDT MON JUN 18 1990

...THUNDERSTORMS MOVING INTO KANSAS CITY....

THUNDERSTORMS LINED UP FROM JUST SOUTH OF ST JOSEPH TO INTO THE NORTHWEST
PART OF KANSAS CITY TO NEAR TOPEKA AND WERE MOVING SOUTHEAST AT 40 MILES AN
HOUR.
AS THEY MOVE THROUGH THE CITY..BRIEF VERY HEAVY RAIN AND GUSTY WIND WILL
ACCOMPANY THE STORMS.
SOME BRIEF LOCAL FLOMODING MAY OCCUR IN POOR DRAINAGE AREAS. AS OF
10PM NO SEVERE WEATHER HAD BEEN REPORTED WITH THESE STORMS AS THEY
MOVED THROUGH NORTHWEST MISSOURI.
Special weather statement, Jun 18, 10:34 PM CDT, 24 minutes before
SPECIAL WEATHER AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
1033 PM CDT MON JUN 18 1990

AT 1025 PM...A THUNDERSTORM WITH VERY HEAVY RAIN WAS NEAR ST JOSEPH
MISSOURI.  THIS STORM WAS PART OF AN LINE OF THUNDERSTORMS WHICH
EXTENDED FROM JUST NORTHEAST OF ST JOSEPH TO 40 MILES WEST OF KANSAS
CITY. THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR
AND WILL AFFECT THE NORTHERN SECTIONS OF THE KANSAS CITY ASREA BY
11 PM...AND THE SOUTHERN SECTIONS BY 1130 PM.  VERY HEAVY RAIN AND
GUSTY WINDS WILL ACCOMPANY THESE THUNDERSTORMS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 10:41 PM CDTSevere Thunderstorm WarningEAXJohnson49 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.