Alert archive / Missouri / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 1, NWS St. Louis, MO

March 6, 1992Dent County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Mar 6, 1992, 1:58 PM CST for Dent County, Missouri. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Mar 6, 1992, 1:58 PM CST (19:58 UTC)
Expired
Mar 6, 1992, 3:00 PM CST
In force
62 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Dent County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 8.0 hours before the alert went out and 218 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 1992-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 745 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 1992-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 295 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
745 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
295 m²/s²
0-3 km storm-relative helicity
307 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 061959
SVRSTL
MOC065-062100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
158 PM CST FRI MAR 6 1992
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MISSOURI
 
   ...DENT COUNTY
 
AT 155 PM CST RADAR INDICATED TWO SEVERE THUNDERSTORMS IN DENT
COUNTY. ONE STORM WAS 5 MILES NORTHWEST OF SALEM WHILE THE OTHER
WAS 25 MILES SOUTHWEST OF SALEM. SALEM IS 25 MILES SOUTHEAST OF
ROLLA.
 
THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. THE
COMMUNITIES OF HOWES AND SLIGO WILL BE AFFECTED BY THESE
STORMS WITHIN THE NEXT 30 MINUTES.
 
THESE STORMS ARE EXPECTED TO PRODUCE LARGE HAIL...DAMAGING WINDS
AND VERY HEAVY RAIN.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND 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 ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
JPK

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, Mar 6, 1:07 PM CST, 51 minutes before
MOZ003-006-007-010-011-012-017-018-062000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
104 PM CST FRI MAR 6 1992

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF EAST
MISSOURI...

A SEVERE THUNDERSTORM WATCH COVERS MUCH OF EAST MISSOURI UNTIL
700 PM CST THIS FRIDAY EVENING. SEVERE THUNDERSTORMS...PRODUCING
LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN WILL BE POSSIBLE
IN AND CLOSE TO THE WATCH AREA.

A STRONG AREA OF LOW PRESSURE OVER NORTHEAST KANSAS...WITH A COLD
FRONT TRAILING SOUTH INTO EAST OKLAHOMA...WILL BE THE TRIGGER FOR
THE SEVERE STORMS. THE WEATHER SYSTRM WILL MOVE NORTHEAST THIS
AFTERNOON AND EVENING TRACKING INTO IOWA.

A LINE OF STRONG STORMS HAS ALREADY FORMED FROM NORTH CENTRAL
MISSOURI...ACROSS THE CENTRAL PART OF THE STATE IN THE COLUMBIA
AREA...THEN TO NEAR HOUSTON IN TEXAS COUNTY. THE STORMS WERE
MOVING NORTHEAST AT 25 MILES AN HOUR.

PEOPLE IN THE WATCH AREA SHOULD BE OWN THE ALERT FOR POSSIBLE SEVERE
WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IN THREATENED.
LISTEN TO NOAA WEATHER RADIO OR TO COMMERCIAL RADIO OR TELEVISION
FOR THE LATEST WEATHER INFORMATION.

JPK

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 2:20 PM CSTSevere Thunderstorm WarningLSXWarren55 min
Mar 6, 2:56 PM CSTSevere Thunderstorm WarningLSXReynolds64 min
Mar 6, 3:31 PM CSTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis59 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.