Alert archive / Missouri / Tornado Warnings in 1990

Tornado Warning 17, NWS Kansas City, MO

November 27, 1990Benton County, Cooper County, Morgan County, Missouri

NWS Kansas City, MO issued this tornado warning at Nov 27, 1990, 10:16 AM CST for Benton County, Cooper County, Morgan County, Missouri. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Nov 27, 1990, 10:16 AM CST (16:16 UTC)
Expired
Nov 27, 1990, 10:45 AM CST
In force
29 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Benton County, MO, Cooper County, MO, Morgan 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

Springfield, MO (KUMN), launched 12:00Z, 4.3 hours before the alert went out and 194 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, Springfield, MO at 12:00Z on 1990-11-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 623 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, Springfield, MO at 12:00Z on 1990-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 square meters per square second.1939587897117Sfc1 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
623 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 271616
TORCOU
MOC015-141-053-271645-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE COLUMBIA MO
1016 AM CST TUE NOV 27 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1045 AM CST FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE CENTRAL PART OF MISSOURI
      EASTERN BENTON...WESTERN MORGAN...SOUTHERN COOPER

AT 10AM...A TORNADO WAS SPOTTED BY LAW ENFORCEMENT OFFICIALS
JUST NORTH OF WARSAW MOVING NORTHEAST AT 40 MPH. THIS STORM WILL
MOVE ACROSS NORTHEAST BENTON COUNTY AND WESTERN MORGAN COUNTY
INTO SOUTHERN COOPER COUNTY BETWEEN 1015 AND 1045AM.  PERSONS IN
THE COMMUNTIIES OF COLE CAMP...STOVER AND TO TIPTON SHOULD TAKE
COVER.

TAKE SHELTER IN A BASEMENT OR INTERIOR ROOM OR CLOSET ON THE LOWEST
FLOOR AND AWAY FROM WINDOWS.  COVER YOUR HEAD.

IF YOU ARE IN A SCHOOL...HOSPITAL OR COMMERCIAL BUILDING...FOLLOW
THE INSTRUCTIONS OF OFFICIALS OR SUPERVISVORS.  TAKE SHELTER IN AN
INTERIOR HALLWAY AWAY FROM WINDOWS OR FLYING DEBRIS.

 LARM/PERLOW

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 6:27 AM CSTSevere Thunderstorm WarningEAXCallaway48 min
Nov 27, 10:49 AM CSTSevere Thunderstorm WarningEAXCooper, Howard41 min
Nov 27, 11:13 AM CSTSevere Thunderstorm WarningEAXBoone47 min
Nov 27, 11:25 AM CSTTornado WarningEAXBoone35 min
Nov 27, 11:43 AM CSTSevere Thunderstorm WarningEAXAudrain, Callaway47 min

Nearby

Tornado Warnings in Missouri, 1990Every tornado warning in 1990Tornadoes 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.