Alert archive / Missouri / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 107, NWS St. Louis, MO

August 25, 1992Scotland County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Aug 25, 1992, 5:36 PM CDT for Scotland County, Missouri. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Aug 25, 1992, 5:36 PM CDT (22:36 UTC)
Expired
Aug 25, 1992, 6:30 PM CDT
In force
54 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Scotland County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.6 hours before the alert went out and 340 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, Topeka, KS at 12:00Z on 1992-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 283 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, Topeka, KS at 12:00Z on 1992-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
283 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
1157 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Aug 25, 4:31 PM CDT, 1 hour 5 minutes before
MOZ006-009-010-252230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
430 PM CDT TUE AUG 25 1992

...THUNDERSTORMS WITH VERY HEAVY SHOWERS ARE MOVING THROUGH CENTRAL
MISSOURI...

AT 425 PM CDT COLUMBIAS RADAR SHOWED TWO AREAS...ABOUT 10 MILES WIDE...
OF THUNDERSTORMS WITH VERY HEAVY SHOWERS IN CENTRAL MISSOURI.  THE
FIRST AREA WAS WEST OF A LINE FROM 35 MILES NORTH OF SEDALIA OR JUST
WEST OF SLATER TO 15 MILES NORTH OF SEDALIA..JUST NORTHEAST OF SWEET
SPRINGS.  THE SECOND AREA WAS WEST OF A LINE FROM 5 MILES WEST OF
KIRKSVILLE TO 50 MILES NORTHWEST OF COLUMBIA AROUND BYNUMVILLE.

THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AROUND 30 MILES AN HOUR
AND WILL PRODUCE DEADLY CLOUD TO GROUND LIGHTNING AND WINDS GUSTING
ABOVE 35 MPH AS WELL AS BRIEF DOWNPOURS AS THEY MOVE THROUGH THE CENTRAL
MISSOURI COUNTIES OF SALINE..HOWARD..RANDOLPH..CHARITON AND MACON BY
530 PM CDT.
NO SEVERE WEATHER IS EXPECTED WITH THESE STORMS..".BUT CAUTION IS
ADVISED FOR ALL IN THE PATH OF THE THUNDERSTORMS.  IF YOU SEE
SEVERE WEATHER PLEASE CALL THE NEAREST LAW ENFORCEMENT OFFICE FOR
RELAY OF YOUR MESSAGE TO THE NATIONAL WEATHER SERVICE.

LB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 4:59 PM CDTSevere Thunderstorm WarningLSXAdair46 min
Aug 25, 5:51 PM CDTSevere Thunderstorm WarningLSXClark40 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.