Alert archive / Missouri / Tornado Warnings in 1994

Tornado Warning 7, NWS St. Louis, MO

April 15, 1994Perry County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 15, 1994, 6:28 AM CDT for Perry County, Missouri. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1994, 6:28 AM CDT (11:28 UTC)
Expired
Apr 15, 1994, 7:00 AM CDT
In force
32 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Perry County, MO

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 11.5 hours before the alert went out and 122 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, Paducah/Barkley, KY at 00:00Z on 1994-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Paducah/Barkley, KY at 00:00Z on 1994-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2422 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
115 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 
TTAA00 KSTL 151128
TORSTL
MOC157-151200-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
628 AM CDT FRI APR 15 1994
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  700 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSOURI
 
   ...EASTERN PERRY COUNTY
 
AT 625 PM...THE PUBLIC REPORTED A POSSIBLE TORNADO IN EASTERN PERRY
COUNTY MISSOURI...NEAR FRONNA...ABOUT 10 MILES EAST OF PERRYVILLE. THESE
STORMS WERE MOVING EAST AT 35 MILES AN HOUR AND WILL WITTENBURG AND
ALTENBURG BY 645 AM.
 
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A FTORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
 
SHEA/MORSE/RP
&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 11:13 PM CDTSevere Thunderstorm WarningLSXSchuyler22 min
Apr 15, 2:17 AM CDTSevere Thunderstorm WarningLSXMonroe28 min
Apr 15, 4:22 AM CDTTornado WarningLSXFranklin, Warren43 min
Apr 15, 4:42 AM CDTSevere Thunderstorm WarningLSXSaint Charles48 min
Apr 15, 4:50 AM CDTSevere Thunderstorm WarningLSXJefferson, Saint Louis40 min
Apr 15, 4:50 AM CDTSevere Thunderstorm WarningLSXCity of Saint Louis40 min
Apr 15, 4:52 AM CDTTornado WarningLSXJefferson38 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.