Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 9, NWS Springfield, MO

April 24, 1993Laclede County, Wright County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 24, 1993, 10:56 PM CDT for Laclede County, Wright County, Missouri. It was in force for 59 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: Apr 24, 1993, 10:56 PM CDT (03:56 UTC)
Expired: Apr 24, 1993, 11:55 PM CDT
In force: 59 min
Issued by: NWS Springfield, MO
Area: Whole counties

Counties Laclede County, MO, Wright County, MO

What was reported inside it

Time	Report	Where	Remark
Apr 24, 11:15 PM CDT	Tornado F0	Competition, MO	A small tornado touched down destroying a mobile home and severely damaging a ranch house. Numerous outbuildings were damaged and a dump truck was rolled 300 yards. Two people were injured in the mobile home, one seriously and one minor. The county sheriff

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, 3.9 hours before the alert went out and 129 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 590 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 1131 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 250358 RRA
SVRSGF
MOC067-105-229-250500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1056 PM CDT SAT APR 24 1993
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST MISSOURI
 
   ...DOUGLAS COUNTY...LACLEDE COUNTY...WRIGHT COUNTY
 
AT 1055 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
EXTENDING FROM 40 MILES NORTHEAST OF SPRINGFIELD TO 30 MILES SOUTHEAST
OF SPRINGFIELD.
 
THE TOWNS OF LEBANON...HARTVILLE...AND AVA ARE IN THE PATH OF THESE
STORMS.  THIS LINE OF STORMS HAS A HISTORY OF PRODUCING LARGE HAIL AND
DAMAGING WINDS.
 
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.
L 
 
 
&

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 24, 7:47 PM CDT, 3 hours 9 minutes before

MOZ015-016-019-020-250200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
745 PM CDT SAT APR 24 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF SOUTHWEST
MISSOURI UNTIL MIDNIGHT.
...A TORNADO WATCH IS IN EFFECT FOR PARTS OF SOUTHWEST MISSOURI
UNTIL 1 AM...

AT 745 PM...A LING OF STRONG THUNDERSTORMS EXTENDED FROM 20 MILES
WEST OF JOPLIN TO 40 MILES NORTHWEST OF JOPLIN.

THIS LINE OF STORMS WAS MOVING EAST AT 25 MPH AND WILL BE MOVING INTO
VERNON...BARTON AND JASPER COUNTIES BY 800 PM.  THE TOWNS OF JOPLIN...
LAMAR...AND NEVADA ARE IN THE PATH OF THESE STORMS.  THESE STORMS MAY
PRODUCE STRONG GUSTY SURFACE WINDS...AND PEA TO MARBLE SIZE HAIL.

PEOPLE IN EXTREME SOUTHWEST MISSOURI SHOULD REMAIN ALERT TO CHANGING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
                                                                .
JOHNSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 8:55 PM CDT	Severe Thunderstorm Warning	SGF	Newton	55 min
Apr 24, 10:05 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Polk	35 min
Apr 24, 10:05 PM CDT	Severe Thunderstorm Warning	SGF	Stone	35 min
Apr 24, 10:05 PM CDT	Severe Thunderstorm Warning	SGF	Christian	55 min
Apr 24, 10:56 PM CDT	Severe Thunderstorm Warning	SGF	Douglas	59 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1993 Every severe thunderstorm warning 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.