Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 16, NWS St. Louis, MO

April 26, 1994Dent County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 26, 1994, 6:24 PM CDT for Dent County, Missouri. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Apr 26, 1994, 6:24 PM CDT (23:24 UTC)
Expired
Apr 26, 1994, 7:30 PM CDT
In force
66 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Dent County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 11.4 hours before the alert went out and 218 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 1994-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 985 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 1994-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 231 square meters per square second.1939587897Sfc1 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
985 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
231 m²/s²
0-3 km storm-relative helicity
327 m²/s²
Significant tornado parameter
1.1
Supercell composite
6.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 262325
SVRSTL
MOC065-270030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
624 PM CDT TUE APR 26 1994
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MISSOURI
 
   ...DENT COUNTY
 
AT 620 PM...NWS DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM NEAR LICKING
...OR ABOUT 17 MILES SOUTHWEST OF SALEM. THIS STORM WAS MOVING TO THE
NORTHEAST 35 MPH AND WILL REACH THE SALEM AREA AROUND 655 PM.
 
STRONG THUNDERSTORM WINDS AND LARGE HAIL ARE LIKELY WITH THIS STORM.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
GLASS

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, Apr 26, 5:25 PM CDT, 59 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-270025-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
525 PM CDT TUE APR 26 1994

...TORNADO WATCH FOR SOUTHWEST...CENTRAL...AND PORTIONS OF EAST CENTRAL
MISSOURI UNTIL 1100 PM TONIGHT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR SOUTHWEST
...CENTRAL...AND PORTIONS OF SOUTHEAST MISSOURI UNTIL 1100 PM TONIGHT.
LARGER CITIES INCLUDED IN THE TORNADO WATCH ARE COLUMBIA...
SPRINGFIELD...BRANSON...JOPLIN...SEDALIA...ROLLA...JEFFERSON CITY...
...UNION AND LEBANON.

AT 520 PM...WEATHER SERVICE RADARS SHOWED EXPLOSIVE THUNDERSTORM
DEVELOPMENT ACROSS SOUTHWESTERN MISSOURI...ROUGHLY FROM NEAR FORT
LEONARD WOOD TO JOPLIN.  THESE STORMS WERE MOVING TO THE NORTHEAST AT
35 MPH.  INIDICATIONS ARE THUNDERSTORMS WILL BECOME MORE WIDESPREAD AND
DEVELOP INTO CENTRAL AND EAST CENTRAL PORTIONS OF THE STATE OVER THE
NEXT FEW HOURS.

REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN
AND NEAR THE WATCH AREA.  LARGE HAIL AND DAMAGING WINDS MAY ALSO
OCCUR.  BE READY TO MOVE TO SHELTER IF A WARNING IS ISSUED FOR YOUR
AREA.

GLASS
Special weather statement, Apr 26, 5:48 PM CDT, 36 minutes before
MOZ024-025-032-033-039>042-045>051-055>059-068>070-262340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
540 PM CDT TUE APR 26 1994

...A TORNADO WATCH IS IN EFFECT FOR THE SOUTH HALF OF CENTRAL MISSOURI
UNTIL 1100 PM CDT...

AT 535 PM CDT RADAR SHOWED STRONG THUNDERSTORMS MOVING UP INTO THE
SOUTH COUNTIES OF CENTRAL MISSOURI...AROUND LEBANON IN LACLEDE COUNTY
60 MILES SOUTH SOUTHWEST OF JEFFERSON CITY...AND ABOUT 15 MILES SOUTH
OF FORT LEONARD WOOD IN PULASKI COUNTY.  THE COMMUNITIES OF WANESVILLE
AND RICHLAND WILL BE AFFECTED BY THESE STORMS BETWEEN 600 AND 615 PM
CDT.

IF YOU OBSERVE SEVERE STORMS...TAKE SHELTER IMMEDIATELY...THEN CALL
THE NEAREST LAW ENFORCEMENT AGENC:Y TO RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE OFFICE.  DO NOT STAY OUTDOORS IF YOU SEE
STRONG STORMS APPROACHING YOUR AREA.

LB
Special weather statement, Apr 26, 6:14 PM CDT, 10 minutes before
MOZ061-063-ILZ098-099-270015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
614 PM CDT TUE APR 26 1994

...STRONG THUNDERSTORMS DEVELOPING IN THE ST LOUIS AREA...

AT 610 PM...NWS RADAR SHOWED STRONG THUNDERSTORMS DEVELOPING OVER
NORTHERN ST CHARLES COUNTY INTO SOUTHERN CALHOUN COUNTY ILLINOIS.
THESE STORMS WERE MOVING TO THE NORTHEAST AT 35 MPH AND WILL BE
AFFECTING NORTHERN PORTIONS OF THE ST LOUIS AREA.

IF YOU ARE IN THE PATH OF THESE STORMS EXPECT BRIEF HEAVY
RAIN...GUSTY WINDS...DEADLY LIGHTNING...AND POSSIBLY SMALL HAIL.
PONDING OF WATER MAY ALSO OCCUR ON AREA ROADWAYS.

MOTORISTS AND RESIDENTS ACROSS NORTHERN PORTIONS OF THE ST LOUIS METRO
AREA SHOULD KEEP A~DVISED TO THE LATEST STATEMENTS FROM THE NATIONAL
WEATHER SERVICE.

GLASS

Nearby

Severe Thunderstorm Warnings in Missouri, 1994Every severe thunderstorm warning 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.