Alert archive / Missouri / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 32, NWS Kansas City, MO

June 14, 1986Gasconade County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 14, 1986, 8:15 PM CDT for Gasconade County, Missouri. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Jun 14, 1986, 8:15 PM CDT (01:15 UTC)
Expired
Jun 14, 1986, 9:00 PM CDT
In force
45 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Gasconade 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

Salem-Leckrone, IL (KSLO), launched 00:00Z, 1.3 hours before the alert went out and 228 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, Salem-Leckrone, IL at 00:00Z on 1986-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 650 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, Salem-Leckrone, IL at 00:00Z on 1986-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939Sfc1 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
650 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1405 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 150115
SVRCOU
MOC139-073-150200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
815 PM CDT SAT JUN 14 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

EAST CENTRAL MISSOURI...SOUTHERN MONTGOMERY AND GASCONADE

AT 811 PM CDT  RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
FROM JUST SOUTHWEST OF HERMANN TO 10 MILES WEST OF OWENSVILLE TO
15 MILES SOUTHWEST OF OWENSVILLE. THE THUNDERSTORMS WERE MOVING
EAST AT 35 MILES AN HOUR AND WILL MOVE ACROSS ALL OF GASCONADE
COUNTY AND A PORTION OF SOUTHERN MONTGOMERY COUNTY. LARGE HAIL
AND DAMAGING WINDS ARE LIKELY WITH THESE STORMS.

HEAVY RAINS WILL QUICKLY FLOOD SMALL STREAMS AND LOW LYING AREAS.

THESE STORMS CAN PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING.
BE PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY AND ASK
THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

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, Jun 14, 5:40 PM CDT, 2 hours 35 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
530 PM CDT SAT JUN 14 1986

. . .SEVERE THUNDERSTORM WATCH FOR EAST KANSAS AND WEST MISSOURI UNTIL
     9 PM CDT...

AT 530 PM CDT SCATTERED VERY STRONG THUNDERSTORMS CONTINUED TO MOVE
EAST ACROSS EAST CENTRAL KANSAS..WEST CENTRAL AND CENTRAL MISSOURI.
THE STRONGEST STORMS WERE SOUTH OF KANSAS CITY.. LOCATED FROM PAOLA
KANSAS TO WARRENSBURG MISSOURI. SMALL HAIL HAD BEEN REPORTED NEAR
GARDEN CITY MISSOURI..IN SOUTHEAST CASS COUNTY.
STRONG THUNDERSTORMS WERE ALSO NOTED 50 MILES NORTHEAST OF KANSAS CITY
NEAR CHILLICOTHE MISSOURI.
THOUGH THERE HAS BEEN NO REPORTED SEVERE WEATHER.. THESE STORMS COULD
PRODUCE STRONG WINDS..HAIL..AND LOCAL FLOODING AS THEY PASS.

MOVEMENT WAS EAST AT 20 MILES AN HOUR.
Special weather statement, Jun 14, 5:57 PM CDT, 2 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
600 PM CDT SAT JUN 14 1986

. . .SEVERE THUNDERSTORM WATCH FOR EAST KANSAS AND WEST MISSOURI UNTIL
     9 PM CDT...

A LINE OF THUNDERSTORMS HAS JUST FORMED OVER THE KANSAS CITY METRO
AREA.  WITHIN THE PAST 10 MINUTES THE NATIONAL WEATHER SERVICE HAS
RECEIVED REPORTS OF PEA TO MARBLE SIZE HAIL FROM LOCATIONS IN KANSAS
CITY KANSAS AND SHAWNEE KANSAS.

THESE TH(UNDERSTORMS SHOULD MOVE TOWARD THE EASTSOUTHEAST AND WILL
PRODUCE PERIODS OF HEAVY RAIN AND SMALL HAIL FOR THE NEXT 1 HOUR
IN THE METRO AREA SOUTH OF THE MISSOURI RIVER.
Special weather statement, Jun 14, 6:42 PM CDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
630 PM CDT SAT JUN 14 1986

. . .SEVERE THUNDERSTORM WATCH FOR EAST KANSAS AND WEST MISSOURI UNTIL
     9 PM CDT...

AT 630 PM CDT SCATTERED VERY STRONG THUNDERSTORMS WERE LOCATED OVER
EXTREME EAST CENTRAL KANSAS.. WEST AND WEST CENTRAL MISSOURI.
SOME OF THESE STRONG THUNDERSTORMS WERE IN THE SOUTHERN PARTS OF THE
KANSAS CITY METRO AREA.. WHERE REPORTS OF HALF INCH AND MARBLE SIZE
HAIL HAD COME FROM SOUTHERN KANSAS CITY KANSAS AND AROUND SHAWNEE KANSAS.
ELSEWHERE A LINE OF STRONG THUNDERSTORMS CONTINUED TO MOVE SLOWLY SOUT/
EAST FROM 50 MILES SOUTH OF KANSAS CITY..IN THE BUTLER AND CLINT@ON
MISSOURI AREA.
MOST OF THESE STORMS COULD PRODUCE STRONG WIND..SMALL HAIL AND
LOCAL FLOODING AS THEY PASS.

MOVEMENT WAS SOUTHEAST AT 20 MILES AN HOUR.

Nearby

Severe Thunderstorm Warnings in Missouri, 1986Every severe thunderstorm warning 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.