Alert archive / Missouri / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 2, NWS St. Louis, MO

March 6, 1992Warren County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Mar 6, 1992, 2:20 PM CST for Warren County, Missouri. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Mar 6, 1992, 2:20 PM CST (20:20 UTC)
Expired
Mar 6, 1992, 3:15 PM CST
In force
55 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Warren County, MO

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 8.3 hours before the alert went out and 287 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, Paducah/Barkley, KY at 12:00Z on 1992-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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, Paducah/Barkley, KY at 12:00Z on 1992-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
39 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1022 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
71 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 KSTL 062021
SVRSTL
MOC219-062115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
220 PM CST FRI MAR 6 1992
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  315 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...WARREN COUNTY
 
AT 215 PM CST RADAR INDICATED A SEVERE THUNDERSTORM NEAR HERMANN
IN GASCONADE COUNTY. HERMAN IS 60 MILES WEST OF ST. LOUIS. THE
STORM WAS MOVING NORTHEAST AT 30 MILES AN HOUR. THE STORM WILL
REACH WARRENTON BY 245 PM CST.
 
THIS STORM PRODUCED 3/4 INCH HAIL THAT COVERED THE GROUND IN HERMANN
FROM 210 TO 215 PM CST.
 
THIS IS A DANGEROUS SqTORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
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, 1 hour 13 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
Special weather statement, Mar 6, 2:15 PM CST, 5 minutes before
MOZ003-006-007-010-011-012-017-018-062100-

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

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN
MISSOURI...

A SEVERE THUNDERSTORM WATCH CONTINUES ACROSS MUCH OF EASTERN MISSOURI
UNTIL 700 PM CST THIS FRIDAY EVENING. SEVERE THUNDERSTORMS...PRODUCING
LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN ARE POSSIBLE IN AND
CLOSE TO THE WATCH AREA.

RADAR INDICATED SCATTERED THUNDERSTORMS FROM SOUTH CENTRAL TO NORTHEAST
MISSOURI.  THE AREA EXTENDED FROM WEST PLAINS MISSOURI TO KIRKSVILLE
MISSOURI...WITH THE HEAVIEST RAIN OCCURRING IN NORTHERN GASCONADE AND
AND CALLAWAY COUNTY.  THE LINE OF STORMS WAS MOVING TO THE NORTHEAST
AT 30 MILES AN HOUR.  PERSONS LOCATED IN AUDRAIN...MONTGOMERY...WARREN
...FRANKLIN...CRAWFORD...AND DENT COUNTIES CAN EXPECT THESE STORMS TO
MOVE ACROSS THEIR AREA BETWEEN 230 AND 300 PM.
.
THESE STORMS HAVE A PAST HISTORY OF LARGE HAIL...VERY HEAVY RAINS...
AND STRONG GUSTY WINDS.

PEOPLE IN THE WATCH AREA SHOULD BE ON 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.

MM/WB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 1:58 PM CSTSevere Thunderstorm WarningLSXDent62 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.