Alert archive / Missouri / Tornado Warnings in 1993

Tornado Warning 14, NWS St. Louis, MO

September 13, 1993Crawford County, Franklin County, Missouri

NWS St. Louis, MO issued this tornado warning at Sep 13, 1993, 5:57 PM CDT for Crawford County, Franklin County, Missouri. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Sep 13, 1993, 5:57 PM CDT (22:57 UTC)
Expired
Sep 13, 1993, 6:30 PM CDT
In force
33 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Crawford County, MO, Franklin County, MO

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.0 hours before the alert went out and 252 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 12:00Z on 1993-09-13Temperature 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 12:00Z on 1993-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1262 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
50 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 132258
TORSTL
MOC055-071-132330-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
557 PM CDT MON SEP 13 1993
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSOURI
 
   ...NORTHWESTERN CRAWFORD COUNTY...SOUTHERN FRANKLIN COUNTY
 
AT 553 CDT NWS DOPPLER RADAR INDICATED TWO SEVERE THUNDERSTORMS. ONE WAS
OVER EXTREME NORTHWEST CRAWFORD COUNTY 5 MILES NORTHWEST OF
CUBA...OR 20 NORTHEAST OF ROLLA. ANOTHER STORM WAS OVER FRANKLIN COUNTY
5 MILES NORTHEAST OF SULLIVAN OR 45 MILES SOUTHWEST OF ST. LOUIS.
 
RADAR INDICATED CIRCULATIONS IN BOTH OF THESE STORMS THAT INDICATE
POSSIBLE TORNADO DEVELOPMENT.
 
TOWNS IN THE PATH OF THESE STORMS ST. CLAIR AND PINEY PARK.
 
THE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UND>ER A WORKBENCH OR PIECE 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.
 
JPK/TJS

What forecasters said that day

The local office's own words before this tornado 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, Sep 13, 3:08 PM CDT, 2 hours 49 minutes before
MOZ004-005-008-132215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
308 PM CDT MON SEP 13 1993

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF NORTHWEST
AND WEST CENTRAL MISSOURI...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
PARTS OF NORTHWEST AND WEST CENTRAL MISSOURI...INCLUDING THE KANSAS CITY
AND ST JOSEPH AREAS.  THE WATCH WILL BE IN EFFECT UNTIL 900 PM THIS
EVENING.

AS A STRONG COLD FRONT APPROACHES FROM THE NORTHWEST...CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND
EVENING.  SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE
HAIL...FREQUENT LIGHTNING AND VERY HEAVY RAIN.  OCCASIONALLY SEVERE
THUNDERSTORMS ALSO PRODUCE TORNADOES SO REMAIN ALERT.

FOR LATER STATEMENTS AND POSSIBLE WARNINGS...TUNE TO NOAA WEATHER RADIO.

SHEA
Special weather statement, Sep 13, 3:09 PM CDT, 2 hours 48 minutes before
MOZ004-005-008-132215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
308 PM CDT MON SEP 13 1993

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF NORTHWEST
AND WEST CENTRAL MISSOURI...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
PARTS OF NORTHWEST AND WEST CENTRAL MISSOURI...INCLUDING THE KANSAS CITY
AND ST JOSEPH AREAS.  THE WATCH WILL BE IN EFFECT UNTIL 900 PM THIS
EVENING.

AS A STRONG COLD FRONT APPROACHES FROM THE NORTHWEST...CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND
EVENING.  SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE
HAIL...FREQUENT LIGHTNING AND VERY HEAVY RAIN.  OCCASIONALLY SEVERE
THUNDERSTORMS ALSO PRODUCE TORNADOES SO REMAIN ALERT.

FOR LATER STATEMENTS AND POSSIBLE WARNINGS...TUNE TO NOAA WEATHER RADIO.

SHEA
Special weather statement, Sep 13, 5:45 PM CDT, 12 minutes before
MOZ019-020-140500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
545 PM CDT MON SEP 13 1993

...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHWEST
AND SOUTH CENTRAL MISSOURI...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR
PARTS OF SOUTHWEST AND SOUTH CENTRAL MISSOURI.  THE WATCH IS IN EFFECT
UNTIL MIDNIGHT AND INCLUDES THE JOPLIN...MONETT AND BRANSON AREAS.

STRONG THUNDERSTORMS OVER OKLAHOMA ARE EXPECTED TO MOVE NORTHEAST INTO
SOUTHWEST MISSOURI TONIGHT.  CONDITIONS ARE SUCH...THAT SOME OF THE
THUNDERSTORMS COULD BECOME SEVERE...POSSIBLY SPAWNING TORNADOES.

FOR LATER STATEMENTS AND POSSIBLE WARNINGS...TUNE TO NOAA WEATHER RADIO.

FERRY
Special weather statement, Sep 13, 5:45 PM CDT, 12 minutes before
MOZ019-020-140500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
545 PM CDT MON SEP 13 1993

...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHWEST
AND SOUTH CENTRAL MISSOURI...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR
PARTS OF SOUTHWEST AND SOUTH CENTRAL MISSOURI.  THE WATCH IS IN EFFECT
UNTIL MIDNIGHT AND INCLUDES THE JOPLIN...MONETT AND BRANSON AREAS.

STRONG THUNDERSTORMS OVER OKLAHOMA ARE EXPECTED TO MOVE NORTHEAST INTO
SOUTHWEST MISSOURI TONIGHT.  CONDITIONS ARE SUCH...THAT SOME OF THE
THUNDERSTORMS COULD BECOME SEVERE...POSSIBLY SPAWNING TORNADOES.

FOR LATER STATEMENTS AND POSSIBLE WARNINGS...TUNE TO NOAA WEATHER RADIO.

FERRY

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 5:12 PM CDTTornado WarningLSXCrawford33 min
Sep 13, 5:37 PM CDTTornado WarningLSXFranklin38 min
Sep 13, 6:30 PM CDTTornado WarningLSXFranklin30 min
Sep 13, 6:36 PM CDTSevere Thunderstorm WarningLSXCrawford, Dent39 min

Nearby

Tornado Warnings in Missouri, 1993Every tornado warning in 1993Tornadoes 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.