Alert archive / Missouri / Tornado Warnings in 1986

Tornado Warning 7, NWS Kansas City, MO

October 3, 1986Benton County, Morgan County, Missouri

NWS Kansas City, MO issued this tornado warning at Oct 3, 1986, 2:10 AM CDT for Benton County, Morgan County, Missouri. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Oct 3, 1986, 2:10 AM CDT (07:10 UTC)
Expired
Oct 3, 1986, 3:15 AM CDT
In force
65 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Benton 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 00:00Z, 7.2 hours before the alert went out and 174 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 00:00Z on 1986-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1026 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 00:00Z on 1986-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 332 square meters per square second.19395878Sfc1 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
1026 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
332 m²/s²
0-3 km storm-relative helicity
391 m²/s²
Significant tornado parameter
2.6
Supercell composite
10.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 030710
TORCOU
MOC015-141-030815-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
210 AM CDT FRI OCT 3 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 315 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

CENTRAL MISSOURI...BENTON AND MORGAN

 AT 207 AM COLUMBIA RADAR INDICATED A POSSIBLE TORNADO 8 MILES SOUTH
 SOUTHWEST OF WARSAW MOVING NORTHEAST AT 50MPH. THIS IS A DANGEROUS
 STORM RESIDENTS OF THE WARSAW AREA TAKE COVER. THIS WARNING
 REPLACES THE SEVERE THUNDERSTORM WARNING FOR BENTON AND MORGAN
 COUNTIES THAT WAS IN EFFECT UNTIL 245.

PERSONS IN THE PATH OF THIS STORM SHOULD GO TO A SAFE PLACE..SUCH AS
A BASEMENT OR AN INTERIOR ROOM ON THE GROUND FLOOR OF A BUILDING.
STAY AWAY FROM WINDOWS AND OUT OF YOUR CAR.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY OR THE
NATIONAL WEATHER SERVICE

 HAGEMEYER/VOTAW

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 2, 10:35 PM CDTFlash Flood WarningEAXChariton, Randolph4 hr
Oct 3, 1:52 AM CDTSevere Thunderstorm WarningEAXBenton, Morgan53 min
Oct 3, 3:00 AM CDTTornado WarningEAXMiller, Moniteau, Morgan60 min
Oct 3, 3:00 AM CDTTornado WarningEAXCole60 min
Oct 3, 4:45 AM CDTFlash Flood WarningEAXBenton, Cooper, Morgan, Pettis, Saline4 hr
Oct 3, 4:45 AM CDTFlash Flood WarningEAXChariton, Howard, Randolph4 hr
Oct 3, 4:45 AM CDTFlash Flood WarningEAXBoone, Moniteau4 hr

Nearby

Tornado Warnings in Missouri, 1986Every tornado warning in 1986Tornadoes in 1986

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.