Alert archive / Missouri / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 73, NWS St. Louis, MO

July 11, 1992Lincoln County, Warren County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jul 11, 1992, 7:10 PM CDT for Lincoln County, Warren County, Missouri. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1992, 7:10 PM CDT (00:10 UTC)
Expired
Jul 11, 1992, 7:45 PM CDT
In force
35 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Lincoln County, MO, Warren County, MO

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 0.2 hours before the alert went out and 291 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 00:00Z on 1992-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 876 joules per kilogram.LCLEL10008507005003002001001 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, Paducah/Barkley, KY at 00:00Z on 1992-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
876 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1698 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.4

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, Jul 11, 3:49 PM CDT, 3 hours 21 minutes before
MOZ012-112145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
348 PM CDT SAT JUL 11 1992

...STRONG THUNDERSTORM HAS DEVELOPED RAPIDLY 20 MILES SOUTH OF ST
LOUIS...

AT 345 PM...WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM OVER
NORTHEAST JEFFERSON COUNTY NEAR CRYSTAL CITY.  THIS IS ABOUT 20 MILES
SOUTH OF DOWNTOWN ST LOUIS.

THIS STORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR...AND WILL PASS
NORTHEAST JEFFERSON AND EXTREME SOUTHERN ST LOUIS COUNTIES IN
MISSOURI...AND NORTHERN MONROE AND WESTERN ST CLAIR COUNTIES IN
ILLINOIS...BETWEEN 340 AND 430 PM THIS AFTERNOON.

AT 345 PM NO SEVERE WEATHER WAS DETECTED WITH THIS STORM...BUT HEAVY
RAINS...SMALL HAIL...AND DEADLY LIGHTNING CAN BE EXPECTED AS IT PASSES
OVER AN AREA.  PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE TO AN STURDY
PERMANENT SHELTER TO REDUCE THEIR CHANCES OF BEING INJURED BY
LIGHTNING.

TRUETT
Special weather statement, Jul 11, 4:30 PM CDT, 2 hours 40 minutes before
MOZ012-112230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
429 PM CDT SAT JUL 11 1992

...STRONG THUNDERSTORMS CONTINUE OVER EAST CENTRAL MISSOURI AND
SOUTHWEST ILLINOIS...

AT 425 PM...WEATHER SERVICE RADAR CONTINUED TO INDICATE STRONG
THUNDERSTORMS SCATTERED ACROSS EXTREME EAST CENTRAL MISSOURI AND
SOUTHWEST ILLINOIS.

ONE LONE STORM WAS ALONG THE MONROE-ST CLAIR COUNTY LINE IN
ILLINOIS...OR ABOUT 15 MILES SOUTHEAST OF DOWNTOWN ST LOUIS.
THIS STORM WAS MOVING EAST NORTHEAST AT 25 MILES AN HOUR...AND WILL PASS
THROUGH ST CLAIR COUNTY BETWEEN 425 AND 515 PM.

THE SECOND AREA OF STORMS EXTENDED FROM JUST WEST OF DOWNTOWN ST
LOUIS...ACROSS ST LOUIS COUNTY...TO EXTREME NORTHEAST FRANKLIN COUNTY
ABOUT 25 MILES SOUTHWEST OF ST LOUIS.  THIS AREA OF STORMS WAS ALSO
MOVING NORTHEAST...AND WILL BE PASSING THROUGH ST LOUIS COUNTY AND CITY
BETWEEN 425 AND 530 PM.

AT THIS TIME NO SEVERE WEATHER WAS DETECTED...HOWEVER...BRIEF HEAVY
RAINS...SMALL HAIL...AND WIND GUSTS OF 50 MILES AN HOUR CAN BE EXPECTED
AS THE STORMS PASS OVER AN AREA.

THESE STORMS WILL ALSO PRODUCE DEADLY LIGHTNING.  FOR YOUR OWN
PROTECTION...MOVE TO A STURDY PERMANENT SHELTER.  DO NOT TAKE COVER
UNDER A TREE....OR OTHER TALL OBJECT.

TRUETT/FERRY
Special weather statement, Jul 11, 4:32 PM CDT, 2 hours 38 minutes before
MOZ009-010-013-112230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
430 PM CDT SAT JUL 11 1992

...STRONG THUNDERSTORMS OVER WEST CENTRAL MISSOURI...

AT 425 PM STRONG THUNDERSTORMS WERE IN WEST CENTRAL MISSOURI FROM
NEAR SEDALIA TO 40 MILES NORTHEAST OF SEDALIA AROUND GLASGOW MOVING
TO THE EAST AT 20 MILES AN HOUR. THE STRONGEST THUNDERSTORM WAS ABOUT
15 MILES NORTHEAST OF SEDALIA. THESE THUNDERSTORMS CONTAINED HEAVY RAIN
DANGEROUS LIGHTNING...BRIEF GUSTY WINDS AND POSSIBLY SMALL HAIL.

THESE THUNDERSTORMS WILL STRETCH FROM 30 MILES NORTH OF COLUMBIA NEAR
MOBERLY TO ABOUT 15 MILES SOUTHWEST OF COLUMBIA BY 530 PM. PERSONS
ACROSS CENTRAL MISSOURI SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER
CONDITIONS THIS AFTERNOON...AND BE PREPARED TO MOVE INSIDE IF
THUNDERSTORMS THREATEN. LISTEN TO NOAA WEATHER RADIO FOR THE LATEST
STATEMENTS OR IF NECESSARY WARNINGS.
LA GREE
Special weather statement, Jul 11, 5:08 PM CDT, 2 hours 2 minutes before
MOZ009-010-013-112300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
505 PM CDT SAT JUL 11 1992

...SEVERE THUNDERSTORM WATCH FOR CENTRAL MISSOURI UNTIL 1000PM...

AT 500 PM INTENSE THUNDERSTORMS WERE IN WEST CENTRAL MISSOURI FROM
NEAR SEDALIA TO ABOUT 5 MILES WEST OF COLUMBIA MOVING EAST AT 20 MILES
AN HOUR. THE STRONGEST THUNDERSTORM WAS 15 TO 20 MILES WEST OF COLUMBIA
NEAR BOONVILLE. ANY OF THESE THUNDERSTORMS WAS CAPABLE OF INTENSIFYING
AND PRODUCING LARGE HAIL AND DAMAGING WINDS. EXPECT DEADLY LIGHTNING AND
TORRENTIAL RAINS ALSO.
THESE THUNDERSTORMS WILL MOVE THROUGH BOONE COUNTY AND THE CITY OF
COLUMBIA BETWEEN 515 AND 545 PM.
PERSONS ACROSS CENTRAL MISSOURI SHOULD BE ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS THIS AFTERNOON...AND BE PREPARED TO MOVE INSIDE IF
THUNDERSTORMS THREATEN. LISTEN TO NOAA WEATHER RADIO FOR THE LATEST
STATEMENTS OR IF NECESSARY WARNINGS.
LA GREE
Special weather statement, Jul 11, 5:13 PM CDT, 1 hour 57 minutes before
MOZ012-120100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
508 PM CDT SAT JUL 11 1992

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR CENTRAL...
EAST CENTRAL AND PORTIONS OF NORTHEAST MISSOURI UNTIL 10 PM...

AT 5 PM...SCATTERED THUNDERSTORMS WERE DEVELOPING ALONG THE MISSOURI
RIVER FROM WEST OF COLUMBIA TO JUST SOUTHEAST OF ST LOUIS.  STORMS
WERE ALSO DEVELOPING NORTHWEST OF COLUMBIA.  SOME OF THESE STORMS
WILL BE STRONG TO SEVERE WITH LARGE HAIL...DAMAGING WIND...VERY HEAVY
RAIN AND DEADLY LIGHTNING.

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
UNTIL 10 PM FOR A GOOD PORTIONS OF CENTRAL MISSOURI AND PORTIONS
OF EAST CENTRAL AND NORTHEAST MI,SSOURI.

IF YOU ARE IN THE WATCH AREA...YOU SHOULD MONITOR NOAA WEATHER RADIO
OR LOCAL COMMERCIAL RADIO AND TELEVISION FOR ADDITIONAL STATEMENTS
AND POSSIBLE WARNINGS.

TUCKER
Special weather statement, Jul 11, 6:54 PM CDT, 16 minutes before
MOZ007-011-012-120100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
653 PM CDT SAT JUL 11 1992

...STRONG THUNDERSTORMS MOVING INTO EASTERN MISSOURI...

AT 650 PM...WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS
MOVING INTO EASTERN MISSOURI FROM THE CENTRAL COUNTIES.  THE LEADING
EDGE OF THE STORMS WAS OVER WARREN AND LINCOLN COUNTIES...OR ABOUT 50
MILES NORTHWEST OF ST LOUIS.

THESE STORMS WERE MOVING EAST AT 20 TO 30 MILES AN HOUR...AND WILL BE
AFFECTING PARTS OF WARREN...LINCOLN...AND PIKE COUNTIES BETWEEN 650 PM
AND 8 PM THIS EVENING.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THESE AREAS...AND PEOPLE IN
THE PATH OF THESE STORMS SHOULD BE ALERT FOR RAPIDLY CHANGING AND
DANGEROUS WEATHER CONDITIONS.

IN ADDITION TO STRONG WINDS AND HAIL...THESE STORMS WILL PRODUCE
EXTREMELY HEAVY RAINS.

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 7:00 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles45 min
Jul 11, 7:16 PM CDTSevere Thunderstorm WarningLSXPike29 min
Jul 11, 7:42 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles63 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.