Alert archive / Missouri / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 21, NWS Springfield, MO

April 9, 1992Cedar County, Dade County, Polk County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 9, 1992, 8:56 AM CDT for Cedar County, Dade County, Polk County, Missouri. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Apr 9, 1992, 8:56 AM CDT (13:56 UTC)
Expired
Apr 9, 1992, 10:00 AM CDT
In force
64 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Cedar County, MO, Dade County, MO, Polk County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 1.9 hours before the alert went out and 77 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 1992-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1086 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1992-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
1086 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
938 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 091356
SVRSGF
MOC039-057-167-091500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
856 AM CDT THU APR 9 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1000 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF MISSOURI
      SOUTHERN CEDAR...NORTHERN DADE...POLK

AT 852 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM OVER NORTHERN
DADE AND SOUTHERN CEDAR COUNTIES. THIS STORM WAS MOVING TO THE
SOUTHEAST AT 15 MPH AND HAS BEEN PRODUCING LARGE HAIL. STOCKTON
DAM RECREATION AREA IS IN THE PATH OF THIS STORM. THE THUNDERSTORM
WILL MOVE INTO POLK COUNTY BY 930 AM CDT.

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.

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 WINDOWS.

 MURPHY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 4:43 AM CDTSevere Thunderstorm WarningSGFBarton47 min
Apr 9, 6:45 AM CDTSevere Thunderstorm WarningSGFDade, Polk45 min
Apr 9, 7:03 AM CDTSevere Thunderstorm WarningSGFTexas57 min
Apr 9, 7:13 AM CDTSevere Thunderstorm WarningSGFDallas, Webster, Wright62 min
Apr 9, 7:38 AM CDTSevere Thunderstorm WarningSGFHowell, Texas67 min
Apr 9, 7:38 AM CDTSevere Thunderstorm WarningSGFPolk67 min
Apr 9, 7:45 AM CDTSevere Thunderstorm WarningSGFShannon60 min
Apr 9, 8:17 AM CDTSevere Thunderstorm WarningSGFGreene, Webster58 min
Apr 9, 8:43 AM CDTSevere Thunderstorm WarningSGFCarter, Oregon, Ripley62 min
Apr 9, 9:47 AM CDTSevere Thunderstorm WarningSGFCarter, Ripley58 min
Apr 9, 10:03 AM CDTSevere Thunderstorm WarningSGFWebster47 min
Apr 9, 5:22 PM CDTSevere Thunderstorm WarningSGFLaclede53 min
Apr 9, 6:18 PM CDTSevere Thunderstorm WarningSGFLaclede57 min
Apr 9, 6:44 PM CDTSevere Thunderstorm WarningSGFTexas61 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1992Every severe thunderstorm warning in 1992

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.