Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 92, NWS Kansas City, MO

September 27, 1990Randolph County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Sep 27, 1990, 10:54 PM CDT for Randolph County, Missouri. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Sep 27, 1990, 10:54 PM CDT (03:54 UTC)
Expired
Sep 27, 1990, 11:35 PM CDT
In force
41 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Randolph County, MO

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, 3.9 hours before the alert went out and 275 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 1990-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 902 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 1990-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
902 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
2024 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
162 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 KCOU 280354
SVRCOU
MOC175-280500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE COLUMBIA MO
1054 PM CDT THU SEP 27 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1200 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTH CENTRAL PART OF MISSOURI
      RANDOLPH

AT 1050 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 40 MILES
SOUTH OF KIRKSVILLE NEAR MOBERLY MOVING EAST AT 30 MILES AN
HOUR. THIS THUNDERSTORM WILL MOVE THROUGH MOBERLY AT 1100PM.

DAMAGING WIND...LARGE HAIL...DANGEROUS LIGHTNING AND VERY HEAVY
RAIN ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.  STAY INSIDE AND...
AWAY FROM WINDOWS UNTIL THE STORMS PASS.

 LA GREE BLANCHARD

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, Sep 27, 6:55 PM CDT, 3 hours 59 minutes before
MOZ004-008-270030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
650 PM CDT THU SEP 27 1990

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEAST
DEKALB..SOUTHERN HARRISON AND NORTHERN DAVIESS COUNTIES IN
NORTHWEST MISSOURI UNTIL 715 PM CDT.

AT 645 PM RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5 MILES
SOUTH OF PATTONSBURG..IN DAVIESS COUNTY.  THIS STORM WAS MOVING
EAST AT 25 MPH.

THIS STORM HAD PORDUCED GOLF BALL SIZE HAIL EARLIER AS IT PASSED
THROUGH SOUTHERN GENTRY COUNTY.

IF THREATENING WEATHER APPROACHES BE PREPARED TO TAKE SHELTER
QUICKLY.
Special weather statement, Sep 27, 8:01 PM CDT, 2 hours 53 minutes before
MOZ004-008-270200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
800 PM CDT THU SEP 27 1990

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
GRUNDY..NORTHERN LIVINGSTON AND NORTHERN DAVIESS COUNTIES IN
NORTHWEST AND NORTHCENTRAL MISSOURI UNTIL 815 PM...

AT 755 PM RADAR INDICATED SEVERE THUNDERSTORMS OVER NORTHEAST
DAVIESS COUNTY AND SOUTHWEST GRUNDY COUNTY.  THESE STORMS WERE
MOVING EAST AT 25 MPH.

THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL AND VERY HEAVY
RAIN.  IF THREATENING WEATHER APPROACHES BE PREPARED TO TAKE
SHELTER QUICKLY.
Special weather statement, Sep 27, 9:19 PM CDT, 1 hour 35 minutes before
MOZ004-008-270230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
920 PM CDT THU SEP 27 1990

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
LIVINGSTON COUNTY IN NORTHCENTRAL MISSOURI UNTIL 930 PM CDT...

AT 915 PM RADAR INDICATED SEVERE THUNDERSTORMS OVER EXTREME
EASTCENTRAL LIVINGSTON COUNTY MOVING EAST AT 25 MPH.

THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL AND VERY HEAVY
RAIN AkND STRONG GUSTY WINDS.  IF THREATENING WEATHER APPROACHES
TAKE SHELTER QUICKLY.
Local storm report, Sep 27, 9:35 PM CDT, 1 hour 19 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
935 PM CDT THU SEP 27 1990

SEVERE WEATHER EVENTS FOR THURSDAY EVENING 9/27/90

TIME           EVENT                    LOCATION
530  PM CDT    1 INCH HAIL              IN SOUTHWEST GENTRY COUNTY
                                        MISSOURI.
620  PM CDT    1/4 TO 1 3/4 INCH HAIL   KING CITY IN GENTRY COUNTY
                                        MISSOURI.  CROP DAMAGE.
715  PM CDT    1 3/4 INCH HAIL          PATTONSBURG IN DAVIESS
                                        COUNTY MISSOURI.
845  PM CDT    3/4 INCH HAIL..46 MPH    TRENTON IN GRUNDY COUNTY
               WIND..1/2 INCH RAIN IN   MISSOURI.
     {          5 MINUTES.
923  PM CDT    HEAVY RAIN..LIGHTNING..  BETHANY IN HARRISON COUNTY
               ..LOST POWER.            MISSOURI.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 7:20 PM CDTSevere Thunderstorm WarningEAXDaviess, Grundy, Livingston55 min
Sep 27, 8:15 PM CDTSevere Thunderstorm WarningEAXDaviess, Grundy45 min
Sep 27, 9:00 PM CDTSevere Thunderstorm WarningEAXLivingston30 min

Nearby

Severe Thunderstorm Warnings in Missouri, 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.