Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 2, NWS St. Louis, MO

April 10, 1994Crawford County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 10, 1994, 2:12 AM CDT for Crawford County, Missouri. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Apr 10, 1994, 2:12 AM CDT (07:12 UTC)
Expired
Apr 10, 1994, 3:15 AM CDT
In force
63 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Crawford County, MO

The radar

The St Louis radar (KLSX), 97 km from the middle of the area, began a volume at 07:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 7.2 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 1994-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 116 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 00:00Z on 1994-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 380 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
116 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
539 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
380 m²/s²
0-3 km storm-relative helicity
396 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 100714
SVRSTL
MOC055-100815-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
212 AM CDT SUN APR 10 1994
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  315 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...CRAWFORD COUNTY
 
AT 210 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM ABOUT 10 MILES SOUTHWEST OF STEELEVILLE...25 MILES EAST OF
ROLLA..IN EXTREME WESTERN CRAWFORD COUNTY MISSOURI.  SINCE 100 AM CDT
MARBLE SIZED HAIL WAS REPORTED IN PHELPS COUNTY.
 
THIS STORM IS MOVING TO THE EAST NORTHEAST AT 50 MPH AND WILL REACH
STEELVILLE...CHERRYVILLE...AND SEVERAL OTHER SMALL COMMUNITIES BETWEEN
215 AM AND 300 AM CDT THIS MORNING. THE STORM MAY CONTAIN LARGE HAIL
AND STRONG DAMAGING WINDS.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORM"S CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
PEDIGO

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 9, 8:39 PM CDT, 5 hours 33 minutes before
MOZ052-061-063-064-ILZ098>100-102-100240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
838 PM CDT SAT APR 9 1994

...MORE THUNDERSTORMS ARE HEADED FOR THE ST LOUIS METRO AREA...

AT 830 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
THUNDERSTORMS FROM WESTERN ST CHARLES COUNTY THROUGH ST LOUIS COUNTY
INTO MONROE COUNTY ILLINOIS.  THE THUNDERSTORMS WERE MOVING NORTHEAST
AT 45 TO 50 MILES AN HOUR.

THE STORMS WILL MOVE TXHROUGH THE ST LOUIS METRO AREA BY 930 PM.  THESE
STORMS WILL PRODUCE BRIEF HEAVY RAINFALL AND WIND GUSTS OF 30 TO 40 MPH.

FERRY
Special weather statement, Apr 9, 10:42 PM CDT, 3 hours 30 minutes before
MOZALL-100700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1040PM CDT SAT APR 9 1994

THE TORNADO WATCH FOR PARTS OF SOUTHWEST AND SOUTH CENTRAL MISSOURI
REMAINS IN EFFECT UNTIL 2 AM CDT SUNDAY MORNING...AND INCLUDES THE
CITIES AND TOWNS OF SPRINGFIELD...BRANSON...JOPLIN...AND NEVADA.

SEVERE THUNDERSTORMS HAVE BEEN MOVING ACROSS SOUTHEAST KANSAS DURING
THE EVENING HOURS.  AT 1030 PM THESE STORMS WERE MOVING INTO SOUTHWEET
MISSOURI ABOUT 40 MILES NORTHWEST OF SPRINGFIELD.  SEVERAL RESIDENTS
REPORTED HAIL UP TO GOLF BALL SIZE IN PORTIONS OF VERNON AND BARTON
COUNTIES THIS EVENING.

PEOPLE IN SOUTHWEST MISSOURI SHOULD REMAIN ALERT FOR THE DEVELOPEMENT
OF SEVERE WEATHER LA\TE THIS EVENING AND EARLY SUNDAY MORNING.  UPDATES
OF LOCAL WEATHER CONDITIONS CAN BE OBTAINED FROM LOCAL RADIO AND T.V.
STATIONS OR NOAA WEATHER RADIO.   BE PREPARED TO MOVE TO A SAFE
PLACE IF SEVERE THUNDERSTORMS MOVE IN.

PEDIG
Special weather statement, Apr 9, 11:07 PM CDT, 3 hours 5 minutes before
MOZ024-025-032-033-039>042-045>051-055>059-068>070-100505-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
1104 PM CDT SAT APR 9 1994

...STRONG THUNDERSTORMS WERE MOVING INTO CENTRAL MISSOURI...

AT 11 PM...WEATHER RADAR INDICATED A CLUSTER OF VERY STRONG
THUNDERSTORMS LOCATED NEAR STOCKTON LAKE...OR 40 MILES NORTHWEST OF THE
CITY OF SPRINGFIELD.  THESE STORMS WERE MOVING NORTHEAST AT 30 MPH AND
WILL AFFECT THE COMMUNITIES OF WEAUBLEAU...PRESTON AND HERMITAGE BEFORE
1130 PM.

THE STORMS SHOWED SIGNS OF DIMINISHING IN INTENSITY BUT ARE STILL
DANGEROUS AND MAY CONTAIN HAIL...DANGEROUS LIGHTNING...STRONG GUSTY
WINDS AND BRIEF VERY HEAVY RAINS.  RESIDENTS LIVING IN HICKORY...BENTON
AND CAMDEN COUNTIES...AS WELL AS INTERESTS NEAR THE LAKE OF THE OZARKS
SHOULD STAY ABREAST OF CHANGING WEATHER CONDITIONS AND STAY TUNED TO
WEATHER RADIO FUR FURTHER UPDATES OR POSSIBLE WARNINGS.

PERLOW
Special weather statement, Apr 9, 11:46 PM CDT, 2 hours 26 minutes before
MOZALL-101100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1141 PM CDT SAT APR 9 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PARTS OF
SOUTHWEST SOUTH CENTRAL AND EAST CENTRAL MISSOURI.  THE WATCH IS IN
EFFECT UNTIL 600 AM SUNDAY MORNING...AND INCLUDES THE CITIES AND TOWNS
OF BRANSON...JOPLIN...SPRINGFIELD...CASSVILLE...LEBANON...WEST PLAINS...
HOUSTON...AND ROLLA.

SEVERE THUNDERSTORMS HAVE BEEN MOVING ACROSS SOUTHEAST KANSAS INTO
SOUTHWEST MISSOURI. THESE STORMS WERE MOVING EAST AND SHOULD MOVE
THROUGH SOUTHWEST INTO SOUTH CENTRAL MISSOURI THROUGH THE EARLY MORNING
HOURS. SOME OF THESE STORMS COULD SPAWN TORNADOES.

PEOPLE ACROSS MOST OF SOUTHERN SSOURI SHOULD REMAIN ALERT FOR THE
POSSIBILITY OF SEVERE WEATHER THROUGH THE NIGHT. UP TO DATE INFORMATION
OF LOCAL WEATHER CONDITIONS CAN BE OBTAINED FROM LOCAL RADIO AND T.V.
STATIONS OR NOAA WEATHER RADIO.   BE PREPARED TO MOVE TO A SAFE
A PLACE OF SAFETY.

PEDIGO
Special weather statement, Apr 9, 11:55 PM CDT, 2 hours 17 minutes before
MOZ024-025-032-033-039>042-045>051-055>059-068>070-100555-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
1150 PM CDT SAT APR 9 1994

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF SOUTH CENRTRAL MISSOURI
UNTIL 6:00 AM...

AT 1145 PM RADAR INDICATED WIDESPREAD SHOWERS AND SCATTERED
THUNDERSTORMS ACROSS CENTRAL MISSOURI.  THE STRONGEST STORM WAS LOCATED
40 MILES NORTH OF SPRINGFIELD NEAR POMME DU TERRE LAKE.  THIS STORM WAS
MOVING NORTHWEST AT 30 MILES AN HOUR AND  WILL AFFECT CAMDEN AND MILLER
COUNTIES DURING THE NEXT HOUR.  GUSTY WINDS AND HAIL WILL ACCOMPANY THIS
THUNDERSTORM.

OTHER THUNDERSTORMS WERE LOCATED ALONG A LINE FROM MEXICO TO COLUMBIA
TO 20 MILES SOUTH OF SEDALIA.  THE THUNDERSTORMS WERE MOVING
NORTHEAST AT 30 MILES AN HOUR.

IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER
INFORMATION AND KEEP A WEATHER EYE ON THE SKY.

GG
Special weather statement, Apr 9, 11:59 PM CDT, 2 hours 13 minutes before
MOZ024-025-032-033-039>042-045>051-055>059-068>070-100555-

SPECIAL WEATHER STATEMENT...CORRECTION FOR THUNDERSTORM MOVEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
1150 PM CDT SAT APR 9 1994

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF SOUTH CENTRAL MISSOURI
UNTIL 6:00 AM...

AT 1145 PM RADAR INDICATED WIDESPREAD SHOWERS AND SCATTERED
THUNDERSTORMS ACROSS CENTRAL MISSOURI.  THE STRONGEST STORM WAS LOCATED
40 MILES NORTH OF SPRINGFIELD NEAR POMME DU TERRE LAKE.  THIS STORM WAS
MOVING NORTHEAST AT 30 MILES AN HOUR AND  WILL AFFECT CAMDEN AND MILLER
COUNTIES DURING THE NEXT HOUR.  GUSTY WINDS AND HAIL WILL ACCOMPANY THIS
THUNDERSTORM.

OTHER THUNDERSTORMS WERE LOCATED ALONG A LINE FROM MEXICO TO COLUMBIA
TO 20 MILES SOUTH OF SEDALIA.  THE THUNDERSTORMS WERE MOVING
NORTHEAST AT 30 MILES AN HOUR.

IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER
INFORMATION AND KEEP A WEATHER EYE ON THE SKY.

GG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 1:17 AM CDTSevere Thunderstorm WarningLSXPhelps58 min
Apr 10, 2:46 AM CDTSevere Thunderstorm WarningLSXWashington29 min

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; radar from the NEXRAD Level II archive.