Alert archive / Missouri / Tornado Warnings in 1992

Tornado Warning 9, NWS Kansas City, MO

September 9, 1992St. Clair County, Missouri

NWS Kansas City, MO issued this tornado warning at Sep 9, 1992, 6:07 PM CDT for St. Clair County, Missouri. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Sep 9, 1992, 6:07 PM CDT (23:07 UTC)
Expired
Sep 9, 1992, 6:45 PM CDT
In force
38 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County St. Clair County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 11.1 hours before the alert went out and 126 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 1992-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1805 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1992-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.193958Sfc1 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
1805 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
902 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 092307
TORMCI
MOC185-092345-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
607 PM CDT WED SEP 9 1992
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL MISSOURI
 
   ...SOUTHEASTERN ST. CLAIR COUNTY
 
AT 600 PM CDT RARAR INDICATED A TORNADO 10 MILES WEST OF COLLINS IN ST
CLAIR COUNTY...50 MILES NORTHWEST OF SPRINGFIELD. THE TORNADO WAS
MOVING EAST AT 40 MILES AN HOUR AND WILL AFFECT THE TOWN OF COLLINS
BETWEEN 615 AND 630 PM CDT.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR jPIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 12:55 AM CDTSevere Thunderstorm WarningEAXJackson35 min
Sep 9, 2:54 AM CDTSevere Thunderstorm WarningEAXPlatte36 min
Sep 9, 3:42 AM CDTSevere Thunderstorm WarningEAXBuchanan48 min
Sep 9, 4:26 AM CDTSevere Thunderstorm WarningEAXMacon, Randolph34 min
Sep 9, 3:32 PM CDTSevere Thunderstorm WarningEAXMacon28 min
Sep 9, 3:43 PM CDTSevere Thunderstorm WarningEAXSaline32 min
Sep 9, 4:36 PM CDTSevere Thunderstorm WarningEAXCooper39 min
Sep 9, 5:27 PM CDTSevere Thunderstorm WarningEAXSt. Clair33 min
Sep 9, 5:38 PM CDTSevere Thunderstorm WarningEAXCooper, Moniteau, Morgan52 min
Sep 9, 5:50 PM CDTSevere Thunderstorm WarningEAXMorgan40 min
Sep 9, 6:05 PM CDTSevere Thunderstorm WarningEAXCallaway40 min
Sep 9, 6:27 PM CDTSevere Thunderstorm WarningEAXMontgomery63 min

Nearby

Tornado Warnings in Missouri, 1992Every tornado warning in 1992Tornadoes in 1992

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.