Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 101, NWS Kansas City, MO

June 28, 1993Gasconade County, Osage County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 28, 1993, 4:33 PM CDT for Gasconade County, Osage County, Missouri. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1993, 4:33 PM CDT (21:33 UTC)
Expired
Jun 28, 1993, 5:15 PM CDT
In force
42 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Gasconade County, MO, Osage County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 9.6 hours before the alert went out and 254 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 1993-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2194 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 12:00Z on 1993-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
2194 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
720 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KCOU 282135 RRA
SVRCOU
MOC151-073-282215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
433 PM CDT MON JUN 28 1993
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...EASTERN OSAGE COUNTY
 
IN EAST CENTRAL MISSOURI
 
   ...GASCONADE COUNTY
 
AT 430 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM 20 MILES EAST OF JEFFERSON CITY NEAR LINN MOVING
TO THE EAST AT 25 TO 30 MILES AN HOUR. PERSONS IN THE COMMUNITIES
OF FREEDOM...HOPE AND BAY SHOULD PREPARE FOR LARGE HAIL AND
DAMAGING WIND BETWEEN 440 PM AND 510 PM THIS AFTERNOON.
 
 
SEVERE THUNDERSTORMS PRODUCE DESTRUCTIVE WINDS...LIGHTNING AND
HAIL. IF YOU ARE OUTSIDE...FIND COVER INSIDE A STRONG BUILDING
AND STAY AWAY FROM WINDOWS. IF YOU ARE CAUGHT OUTSIDE...CROUCH DOWN
AND STAY AWAY FROM LONE TREES AND METAL OBJECTS TO LESSEN THE
CHANCE OF BEING STRUCK BY LIGHTNING.
 
LA GREE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 5:50 AM CDTSevere Thunderstorm WarningEAXChariton, Saline25 min
Jun 28, 6:54 PM CDTFlash Flood WarningEAXOsage66 min
Jun 28, 6:54 PM CDTSevere Thunderstorm WarningEAXOsage66 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1993Every severe thunderstorm warning in 1993

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.