Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 7, NWS Springfield, MO

April 24, 1993Stone County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 24, 1993, 10:05 PM CDT for Stone County, Missouri. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Apr 24, 1993, 10:05 PM CDT (03:05 UTC)
Expired
Apr 24, 1993, 10:40 PM CDT
In force
35 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Stone County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 3.1 hours before the alert went out and 35 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 1993-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 590 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 1993-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 2 hours 18 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.

IssuedProductOfficeCountiesLasted
Apr 24, 8:55 PM CDTSevere Thunderstorm WarningSGFNewton55 min
Apr 24, 10:05 PM CDTSevere Thunderstorm WarningSGFGreene, Polk35 min
Apr 24, 10:05 PM CDTSevere Thunderstorm WarningSGFChristian55 min
Apr 24, 10:56 PM CDTSevere Thunderstorm WarningSGFDouglas59 min
Apr 24, 10:56 PM CDTSevere Thunderstorm WarningSGFLaclede, Wright59 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.