Alert archive / Missouri / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 55, NWS Kansas City, MO

October 3, 1986Benton County, Morgan County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Oct 3, 1986, 1:52 AM CDT for Benton County, Morgan County, Missouri. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Oct 3, 1986, 1:52 AM CDT (06:52 UTC)
Expired
Oct 3, 1986, 2:45 AM CDT
In force
53 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, 6.9 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Oct 3, 1:32 AM CDT, 20 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
130 AM CDT FRI OCT 3 1986

...A TORNADO WATCH IS IN EFFECT FOR A LARGE PORTION OF CENTRAL AND
SOUTHWEST MISSOURI UNTIL 7AM...
...FLASH FLOOD WATCH FOR THE NORTHWEST ONE HALF OF MISSOURI AND FOR
EAST KANSAS TONIGHT AND FRIDAY MORNING...INCLUDING KANSAS CITY AND ST
JOSEPH...

AT 130 AM...A LARGE AREA OF RAIN AND SCATTERED STRONG THUNDERSTORMS
WAS OVER EASTCENTRAL AND SOUTHEAST KANSAS AND FROM SOUTHWEST AND
WESTCENTRAL INTO CENTRAL MISSOURI.

THE STRONGEST THUNDERSTORMS WERE 75 TO 100 MILES SOUTH OF KANSAS CITY.
STRONG STORMS CONTAINING VERY HEAVY RAIN...AND POSSIBLY STRONG GUSTY
WINDS...WILL MOVE ACROSS LINN COUNTY KANSAS BETWEEN 130AM AND 2AM AND
MOVE INTO BATES COUNTY MISSOURI BETWEEN 2AM AND 230 AM.
THE HEAVY RAINS MAY PRODUCE FLOODING IN LOW LYING AREAS.
THE RAIN ACROSS THE KANSAS CITY AREA WAS MOSTLY LIGHT...WITH THE
HEAVIER PRECIPITATION SOME 50 MILES TO THE SOUTH AND SOUTHEAST OF
KANSAS CITY.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 30 TO 35 MILES
AN HOUR.

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, 2:10 AM CDTTornado WarningEAXBenton, Morgan65 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

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.