Alert archive / Missouri / Tornado Warnings in 1986

Tornado Warning 9, NWS Kansas City, MO

October 3, 1986Cole County, Missouri

NWS Kansas City, MO issued this tornado warning at Oct 3, 1986, 3:00 AM CDT for Cole County, Missouri. It was in force for 60 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: Oct 3, 1986, 3:00 AM CDT (08:00 UTC)
Expired: Oct 3, 1986, 4:00 AM CDT
In force: 60 min
Issued by: NWS Kansas City, MO
Area: Whole counties

County Cole County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Oct 3, 3:32 AM CDT	Tornado F2	Cole, 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

Springfield, MO (KUMN), launched 00:00Z, 8.0 hours before the alert went out and 223 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 030800
TORCOU
MOC051-131-135-141-030900-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 400 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

CENTRAL MISSOURI...COLE...NORTHERN MILLER...SOUTHERN MONITEAU AND 
 MORGAN

 AT 258 AM CDT COLUMBIA RADAR INDICATED A POSSIBLE TORNADO JUST
 SOUTH OF VERSAILLES OR 35 MILES SOUTHWEST OF JEFFERSON CITY MOVING
 NORTHEAST AT 55 MPH. THIS IS A VERY DANGEROUS STORM IT WILL PASS
 NEAR ELDON AND SOUTH OF CALIFORNIA AND WILL BE IN THE JEFFERSON
 CITY AREA BY 340 AM.

THIS WARNING INCLUDES JEFFERSON CITY.

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.

Issued	Product	Office	Counties	Lasted
Oct 2, 10:35 PM CDT	Flash Flood Warning	EAX	Chariton, Randolph	4 hr
Oct 3, 1:52 AM CDT	Severe Thunderstorm Warning	EAX	Benton, Morgan	53 min
Oct 3, 2:10 AM CDT	Tornado Warning	EAX	Benton, Morgan	65 min
Oct 3, 3:00 AM CDT	Tornado Warning	EAX	Miller, Moniteau, Morgan	60 min
Oct 3, 4:45 AM CDT	Flash Flood Warning	EAX	Benton, Cooper, Morgan, Pettis, Saline	4 hr
Oct 3, 4:45 AM CDT	Flash Flood Warning	EAX	Chariton, Howard, Randolph	4 hr
Oct 3, 4:45 AM CDT	Flash Flood Warning	EAX	Boone, Moniteau	4 hr

Nearby

Tornado Warnings in Missouri, 1986 Every tornado warning in 1986 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.