Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 49, NWS Springfield, MO

September 19, 1993Christian County, Lawrence County, Stone County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Sep 19, 1993, 8:04 PM CDT for Christian County, Lawrence County, Stone County, Missouri. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Sep 19, 1993, 8:04 PM CDT (01:04 UTC)
Expired
Sep 19, 1993, 8:45 PM CDT
In force
41 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Christian County, MO, Lawrence County, MO, Stone County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 1.1 hours before the alert went out and 28 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 1993-09-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1404 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 1993-09-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
1404 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
829 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 200105 RRA
SVRSGF
MOC009-043-109-209-200145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
804 PM CDT SUN SEP 19 1993
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST MISSOURI
 
   ...NORTHERN BARRY COUNTY...CHRISTIAN COUNTY
   ...SOUTHERN LAWRENCE COUNTY...STONE COUNTY
 
AT 800 PM CDT RADAR SHOWS SEVERE THUNDERSTORMS ALONG A LINE FROM 30
MILES SOUTHEAST OF JOPLIN NEAR MONETT TO 15 MILES SOUTH OF SPRINGFIELD
NEAR OZARK. MONETT...AURORA...GALENA AND SPOKANE ARE IN THE PATH OF
THESE STORMS AS THEY MOVE EAST AT 25 TO 30 MPH.
 
 
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.
 
 
NINE(

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, Sep 19, 3:10 PM CDT, 4 hours 54 minutes before
M0Z015-016-019-020-021-192100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
310 PM CDT SUN SEP 19 1993

...SEVERE THUNDERSTORM WATCH NUMBER 873 IS IN EFFECT FOR PORTIONS OF
SOUTHWEST MISSOURI...

A BAND OF THUNDERSTORMS...SEVERAL OF THEM VERY HEAVY...EXTENDED FROM
PITTSBURG KANSAS TO LIBERAL TO SCHELL CITY MISSOURI AT 3 PM.  THEY WERE
MOVING TO THE EAST AT ABOUT 25 MILES AN HOUR.  THAT MOVEMENT WOULD TAKE
THEM TO A LINE FPROM LAMAR TO HUMANSVILLE BY ABOUT 4 PM CDT.  THE VERY
HEAVIEST THUNDERSTORM WAS JUST TO THE NORTHWEST OF LIBERAL ON THE STATE
LINE AND IS MOVING TOWARD THE IRWIN AREA.

NINE
Special weather statement, Sep 19, 4:24 PM CDT, 3 hours 40 minutes before
M0Z015-016-019-020-021-192315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
425 PM CDT SUN SEP 19 1993

...A TORNADO WATCH IS IN EFFECT UNTIL 10 PM CDT FOR PORTIONS OF
SOUTHWEST MISSOURI...

A TORNADO WATCH HAS REPLACED THE SEVERE THUNDERSTORM WATCH ISSUED
EARLIER.

AT SHORTLY AFTER 4 PM A LINE OF VERY HEAVY THUNDERSTORMS EXTENDED FROM
HERMITAGE TO GREENFIELD TO CARTHAGE.  THE LINE WAS MOVING TOWARD THE
EAST.  SOME ESEPCIALLY STRONG THUNDERSTORMS WERE LOCATED IN THE
STOCKTON AND POMME DE TERRE LAKE AREAS.  THEY WERE EXPECTED TO MOVE
ALONG THE NORTHERN EDGE OF POLK AND DALLAS COUNTIES AND APPROACH THE
URBANA VICINITY BY 5 PM.

THE NEXT BATCH OF EXTREMELY STRONG STORMS WAS STILL WELL TO THE WEST OF
MISSOURI IN THE AREA BETWEEN CHANUTE AND PARSONS KANSAS AND THEY SHOULD
ARRIVE IN MISSOURI IN ABOUT 2 HOURS OR AROUND 6 PM OR SHORTLY AFTER.

NO SEVERE WEATHER HAS BEEN REPORTED IN SOUTHWEST MISSOURI.

NINNE

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 7:05 PM CDTSevere Thunderstorm WarningSGFDallas, Laclede, Webster55 min
Sep 19, 7:05 PM CDTSevere Thunderstorm WarningSGFNewton55 min
Sep 19, 7:32 PM CDTSevere Thunderstorm WarningSGFWright58 min
Sep 19, 8:04 PM CDTSevere Thunderstorm WarningSGFBarry41 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1993Every 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; the sounding from the Mesonet's radiosonde archive.