Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 21, NWS Springfield, MO

June 4, 1993Wright County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jun 4, 1993, 6:47 AM CDT for Wright County, Missouri. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1993, 6:47 AM CDT (11:47 UTC)
Expired
Jun 4, 1993, 7:45 AM CDT
In force
58 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Wright County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 11.8 hours before the alert went out and 125 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 1993-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2636 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 1993-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 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
2636 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
280 m²/s²
Significant tornado parameter
2.5
Supercell composite
11.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 041147 RRA
SVRSGF
MOC229-153-067-091-213-041245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
647 AM CDT FRI JUN 4 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 745 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF MISSOURI
      WRIGHT...NORTHERN OZARK...DOUGLAS...TANEY...

   IN THE SOUTH CENTRAL PART OF MISSOURI
      HOWELL...

AT 642 AM CDT RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS
OVER WRIGHT..DOUGLAS...OZARK AND HOWELL COUNTIES OF SOUTHWEST
MISSOURI. THESE STORMS WERE MOVING TO THE EAST AT 35 TO 40 MILES
PER HOUR. GOLFBALL SIZE HAIL WAS REPORTED AT AVA WITH THESE STORMS.

THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING.  PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE A STRONG BUILDING.  ONCE
INSIDE...STAY AWAY FROM WIbNDOWS.

 MURPHY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 2:03 AM CDTSevere Thunderstorm WarningSGFHowell, Shannon42 min
Jun 4, 2:31 AM CDTSevere Thunderstorm WarningSGFOregon59 min
Jun 4, 5:19 AM CDTSevere Thunderstorm WarningSGFJasper, McDonald, Newton41 min
Jun 4, 6:47 AM CDTSevere Thunderstorm WarningSGFDouglas, Ozark, Taney58 min
Jun 4, 6:47 AM CDTSevere Thunderstorm WarningSGFHowell58 min
Jun 4, 7:07 AM CDTTornado WarningSGFTaney33 min
Jun 4, 7:30 AM CDTSevere Thunderstorm WarningSGFOregon, Shannon45 min
Jun 4, 7:46 AM CDTSevere Thunderstorm WarningSGFHowell44 min
Jun 4, 8:19 AM CDTSevere Thunderstorm WarningSGFRipley56 min
Jun 4, 8:19 AM CDTSevere Thunderstorm WarningSGFCarter, Oregon, Shannon21 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.