Alert archive / Missouri / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 21, NWS Kansas City, MO

March 26, 1991Chariton County, Linn County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 26, 1991, 7:20 PM CST for Chariton County, Linn County, Missouri. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 26, 1991, 7:20 PM CST (01:20 UTC)
Expired
Mar 26, 1991, 8:00 PM CST
In force
40 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Chariton County, MO, Linn County, MO

What was reported inside it

TimeReportWhereRemark
Mar 26, 7:50 PM CSTHail 0.75Linn, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.3 hours before the alert went out and 237 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 1991-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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 1991-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 413 square meters per square second.1939587897Sfc1 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
37 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
413 m²/s²
0-3 km storm-relative helicity
384 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 270121
SVRCOU
MOC041-115-270200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
720 PM CST TUE MAR 26 1991
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN NORTH CENTRAL MISSOURI
 
   ...NORTHWESTERN CHARITON COUNTY...SOUTHERN LINN COUNTY
 
AT 720 PM THE COLUMBIA WEATHER RADAR INDICATED A SEVERE THUNDERSTORM
MOVING INTO NORTHWEST CHARITON COUNTY. THE STORM WAS MOVING NORTHEAST
AT 40 MILES AN HOUR.
 
THIS STORM PRODUCED LARGE HAIL AND WIND GUSTS IN EXCESS OF 60 MILES AN
HOUR AS IT MOVED FROM THE KANSAS CITY AREA INTO NORTHCENTRAL MISSOURI.
 
IF YOU ARE IN THE PATH OF THIS STORM...TAKE SHELTER IN A REINFORCED
ROOM IMMEDIATELY.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
PERLOW/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, Mar 26, 4:20 PM CST, 3 hours before
MOZ001-002-004-005-008-009-013-KSZ015-016-262245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
415 PM CST TUE MAR 26 1991

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF EASTERN KANSAS AND PARTS
OF WESTERN AND CENTRAL MISSOURI UNTIL 10 00 PM THIS TUESDAY EVENING...

AT 410 PM VERY INTENSE THUNDERSTORMS WERE IN EAST KANSAS...THE
STRONGEST JUST TO THE SOUTH OF TOPEKA AND TO THE EAST OF EMPORIA.

THE THUNDERSTORMS WERE MOVING NORTHEAST RAPIDLY AT 45 MILES AN HOUR.

VERY STRONG THUNDERSTORMS WILL BE MOVING INTO THE KANSAS CITY AREA AND
INTO PARTS OF WESTCENTRAL AND NORTHWEST MISSOURI BETWEEN 5 00 AND 6 00
PM THIS EVENING.

PERSONS IN THE KANSAS CITY METROPOLITAN AREA AND IN WESTERN MISSOURI
SHOULD REMAIN ALERT AND BE PREPARED TO TAKE SHELTER IF SEVERE WEATHER
DEVELOPS.
Special weather statement, Mar 26, 4:34 PM CST, 2 hours 46 minutes before
MOZ001-002-004-005-008-009-013-KSZ015-016-262315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
430 PM CST TUE MAR 26 1991

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF EASTERN KANSAS AND PARTS
OF WESTERN AND CENTRAL MISSOURI UNTIL 10 00 PM THIS TUESDAY EVENING...

AT 430 PM VERY INTENSE THUNDERSTORMS WERE IN EAST KANSAS...THE
STRONGEST ABOUT 45 MILES SOUTHWEST OF KANSAS CITY...AT LAWRENCE KANSAS
...AND JUST SOUTH OF TOPEKA...AND TO THE EAST OF EMPORIA.
THE THUNDERSTORMS WERE MOVING NORTHEAST RAPIDLY AT 45 MILES AN HOUR.

VERY STRONG THUNDERSTORMS WILL BE MOVING INTO THE KANSAS CITY AREA AND
INTO PARTS OF WESTCENTRAL AND NORTHWEST MISSOURI BETWEEN 4 45 AND 5 30
PM THIS EVENING.

PERSONS IN THE KANSAS CITY METROPOLITAN AREA AND IN WESTERN MISSOURI
SHOULD REMAIN ALERT AND BE PREPARED TO TAKE SHELTER IF SEVERE WEATHER
DEVELOPS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 6:09 PM CSTSevere Thunderstorm WarningEAXCaldwell, Ray36 min
Mar 26, 6:30 PM CSTSevere Thunderstorm WarningEAXCarroll, Livingston45 min
Mar 26, 7:41 PM CSTSevere Thunderstorm WarningEAXMacon64 min
Mar 26, 11:33 PM CSTSevere Thunderstorm WarningEAXAtchison42 min
Mar 27, 2:05 AM CSTSevere Thunderstorm WarningEAXClinton25 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1991Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.