Alert archive / Missouri / Tornado Warnings in 1993

Tornado Warning 16, NWS St. Louis, MO

September 13, 1993Crawford County, Missouri

NWS St. Louis, MO issued this tornado warning at Sep 13, 1993, 7:19 PM CDT for Crawford County, Missouri. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 13, 1993, 7:19 PM CDT (00:19 UTC)
Expired
Sep 13, 1993, 8:00 PM CDT
In force
41 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Crawford County, MO

What was reported inside it

TimeReportWhereRemark
Sep 13, 7:25 PM CDTTornado F0Steelville, MOA tornado touched down briefly along County Road T damaging a roof of a house and knocking down an area of trees.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 0.3 hours before the alert went out and 251 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 00:00Z on 1993-09-14Temperature 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, Springfield, MO at 00:00Z on 1993-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 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
NaN m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 140020
TORSTL
MOC055-140100-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
719 PM CDT MON SEP 13 1993
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...CRAWFORD COUNTY
 
AT 717 PM CDT NWS DOPPLER RADAR INDICATED TWO POSSIBLE TORNADOES OVER
CRAWFORD COUNTY.
 
ONE STORM WAS 8 MILES NORTHEAST OF STEELVILLE OR 30 MILES NORTHEAST OF
ROLLA. THE OTHER STROM WAS 5 MILES SOUTHWEST OF STEELVILLE OR 20 MILES
EAST OF ROLLA.
 
RESIDENTS IN STEELVILLE SHOULD TAKE COVER IMMEDIATELY. THE STORM WAS
MOVING NORTHEAST AT 40 MILES AN HOUR.
 
JPK/TJS
 
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 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, 4 hours 11 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, 4 hours 10 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, 1 hour 34 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, 1 hour 34 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, 7:39 PM CDTTornado WarningLSXWashington36 min
Sep 13, 8:37 PM CDTTornado WarningLSXJefferson35 min
Sep 14, 1:14 AM CDTSevere Thunderstorm WarningLSXLincoln, Warren36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.