Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 39, NWS Springfield, MO

July 21, 1993Texas County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 21, 1993, 1:20 PM CDT for Texas County, Missouri. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jul 21, 1993, 1:20 PM CDT (18:20 UTC)
Expired
Jul 21, 1993, 2:00 PM CDT
In force
40 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Texas County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 6.3 hours before the alert went out and 169 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 12:00Z on 1993-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1315 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 12:00Z on 1993-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.193958Sfc1 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
1315 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
1115 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 211820 RRA
SVRSGF
MOC215-211900-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
120 PM CDT WED JUL 21 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 200 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTH CENTRAL PART OF MISSOURI
      TEXAS

AT 15 PM CDT RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS FROM
60 MILE NORTHEAST OF SPRINGFIELD NEAR SUMMERSVILLE TO HOUSTON.

THESE STORMS MAY PRODUCE LARGE HAIL AND DAMAGING WINDS. THGE TOWNS
OF HOUSTON AND LICKING ARE IN THE PATH OF THESE STORMS.

IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.

 BAREIS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 1:30 PM CDTSevere Thunderstorm WarningSGFShannon45 min
Jul 21, 4:03 PM CDTSevere Thunderstorm WarningSGFCarter, Oregon, Ripley57 min
Jul 21, 6:27 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon48 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.