Alert archive / Kansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 9, NWS Kansas City, MO

May 5, 1990Johnson County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at May 5, 1990, 5:02 PM CDT for Johnson County, Kansas. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
May 5, 1990, 5:02 PM CDT (22:02 UTC)
Expired
May 5, 1990, 5:30 PM CDT
In force
28 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Johnson 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, 10.0 hours before the alert went out and 72 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 1990-05-05Temperature 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 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 1990-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1224 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
207 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 KMCI 052203
SVRMCI
KSC091-052230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
502 PM CDT SAT MAY 5 1990
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL KANSAS
          ...NORTHEASTERN JOHNSON
 
AT 455PM CDT 1/2 TO 3/4 INCH HAIL WAS REPORTED 15 MILES SOUTHWEST OF
DOWNDOWN KANSAS CITY...AT LAKE QUIVIRA...IN NORTHEAST JOHNSON COUNTY
KANSAS.
 
THE STORM WAS MOVING EAST AT 20 MILES AN HOUR.
 
 
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 5, 4:28 PM CDT, 34 minutes before
MOZ008-KSZ015-016-052230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
425 PM CDT SAT MAY 5 1990

...THUNDERSTORMS WITH SMALL HAIL ARE MOVING INTO THE KANSAS CITY
METRO AREA...

A THUNDERSTORM OVER DE SOTO KANSAS...25 MILES SOUTHWEST OF DOWNTOWN
KANSAS CITY...PRODUCED MARBLE SIZE HAIL AT 410 PM ALONG WITH VERY HEAVY RAIN.
THE STORM WAS MOVING EAST AT 20 MILES AN HOUR AND WILL MOVE THROUGH
NORTHERN JOHNSON COUNTY.  BRIEF HEAVY RAIN IS LIKELY WITH THE STORM.

ANOTHER STORM CAPABLE OF PRODUCING SMALL HAIL AND VERY HEAVY RAIN WAS
50 MILES SOUTHWEST OF DOWNTOWN KANSAS CITY.  THIS STORM WAS MOVING
EAST AT 20 MILES AN HOUR AND WILL MOVE THROUGH MIAMI COUNTY KANSAS
NEAR PAOLA BY 500 PM.

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.