Alert archive / Missouri / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 13, NWS Springfield, MO

April 9, 1992Dade County, Polk County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 9, 1992, 6:45 AM CDT for Dade County, Polk County, Missouri. It was in force for 45 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 9, 1992, 6:45 AM CDT (11:45 UTC)
Expired
Apr 9, 1992, 7:30 AM CDT
In force
45 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Dade County, MO, Polk County, MO

What was reported inside it

TimeReportWhereRemark
Apr 9, 6:50 AM CDTHail 0.75Polk, MO
Apr 9, 7:00 AM CDTHail 0.75Dade, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 11.8 hours before the alert went out and 71 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 1992-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 105 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 1992-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
105 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
2094 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 091145
SVRSGF
MOC057-167-091230-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

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

AT 640 AM CDT RADAR INDICATED SEVERE THUNDERSTORMS OVER THE
SOUTHERN PORTION OF STOCKTON LAKE. THE STORMS WILL MOVE ACROSS THE
TOWNS OF ARCOLA AND BONA 30 MILES NORTHWEST OF SPRINGFIELD.

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.

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

 BAREIS

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 9, 5:34 AM CDT, 1 hour 11 minutes before
MOZ015-016-019-020-021- 091030 -

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
530 AM CDT THU APR 9 1992

THE SEVERE THUNDERSTORM WARNING FOR BARTON COUNTY OF SOUTHWEST
MISSOURI HAS

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, 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, 8:56 AM CDTSevere Thunderstorm WarningSGFCedar, Dade, Polk64 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.