Alert archive / Missouri / Tornado Warnings in 1994

Tornado Warning 21, NWS St. Louis, MO

June 25, 1994Monroe County, Missouri

NWS St. Louis, MO issued this tornado warning at Jun 25, 1994, 8:58 PM CDT for Monroe County, Missouri. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1994, 8:58 PM CDT (01:58 UTC)
Expired
Jun 25, 1994, 9:36 PM CDT
In force
38 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Monroe County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.0 hours before the alert went out and 318 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, Topeka, KS at 00:00Z on 1994-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2099 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, Topeka, KS at 00:00Z on 1994-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.1939587897117Sfc1 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
2099 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
2748 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
388 m²/s²
Significant tornado parameter
0.0
Supercell composite
15.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 260201
TORSTL
MOC137-260245-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
858 PM CDT SAT JUN 25 1994
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  945 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST MISSOURI
 
   ...EASTERN MONROE COUNTY
 
AT 858 PM...RADAR INDICATED A POSSIBLE TORNADO OVER EASTERN MONROE
COUNTY...JUST SOUTHWEST OF MONROE CITY...MOVING SOUTHEAST AT 35 MPH.
CLAPPER...STOUTSVILLE AND FLORIDA ARE IN THE PATH OF THIS STORM.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
 
DM/DLF

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 8:10 PM CDTSevere Thunderstorm WarningLSXMonroe, Shelby65 min
Jun 25, 8:45 PM CDTSevere Thunderstorm WarningLSXShelby45 min
Jun 25, 8:45 PM CDTSevere Thunderstorm WarningLSXMarion36 min
Jun 25, 9:02 PM CDTSevere Thunderstorm WarningLSXRalls43 min
Jun 26, 2:33 AM CDTSevere Thunderstorm WarningLSXDent27 min
Jun 26, 3:43 AM CDTSevere Thunderstorm WarningLSXCrawford, Phelps62 min
Jun 26, 4:35 AM CDTTornado WarningLSXDent40 min
Jun 26, 5:45 PM CDTSevere Thunderstorm WarningLSXSaint Francois26 min

Nearby

Tornado Warnings in Missouri, 1994Every tornado warning in 1994Tornadoes in 1994

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.