Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 15, NWS St. Louis, MO

April 16, 1992Saint Clair County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 16, 1992, 4:07 PM CDT for Saint Clair County, Illinois. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Apr 16, 1992, 4:07 PM CDT (21:07 UTC)
Expired
Apr 16, 1992, 4:45 PM CDT
In force
38 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Saint Clair County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 9.1 hours before the alert went out and 189 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 1992-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1992-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
27 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 162108
SVRSTL
ILC163-162145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
407 PM CDT THU APR 16 1992
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  445 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ILLINOIS
 
   ...SOUTHERN ST CLAIR COUNTY
 
AT 405 PM CDT.,..RADAR INDICATED A SEVERE THUNDERSTORM OVER WEST CENTRAL
ILLINOIS...25 MILES SOUTHEAST OF ST LOUIS...NEAR NEW ATHENS IN SOUTHERN
ST CLAIR COUNTY. THE STORM WAS MOVING NORTHEAST AT 30 MPH. THE STORM
WILL BE MOVING THROUGH THE TOWNS OF NEW ATHENS...FAYETTEVILLE AND
DARMSTADT.
 
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.
 
IN ADDITION A SEVERE THUNDERSTORM WARNING CONTINUES FOR NORTHERN
WASHINGTON AND ALL OF CLINTON COUNTIES TILL 445 PM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK 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.
 
DLF/ST

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 16, 1:39 PM CDT, 2 hours 28 minutes before
ILZ011-012-013-161945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
138 PM CDT THU APR 16 1992

AT 130 PM CDT...RADAR CONTINUED TO SHOW A LINE OF STRONG THUNDERSTORMS
OVER SOUTHWEST ILLINOIS. THE STRONGEST STORMS WERE LOCATED FROM ABOUT 20
MILES NORTHWEST OF MT VERNON ILLINOIS...OR JUST SOUTHWEST OF CENTRALIA
TO 30 MILES SOUTHWEST OF MT VERNON NEAR PICKNEYVILLE.

THE THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR.  THESE STORMS
WILL BE MOVING THROUGH JEFFERSON AND MARION COUNTIES BETWEEN 140 PM AND
240 PM CDT.  PEOPLE IN THE TOWNS OF SALEM...MT VERNON AND CENTRALIA CAN
EXPECT HEAVY RAINS WHICH MAY CAUSE SOME STREET FLOODING AND WIND GUSTS
UP TO 50 MPH WITH THE PASSAGE OF THESE STORMS.

FERRY
Special weather statement, Apr 16, 2:02 PM CDT, 2 hours 5 minutes before
MOZ011-017-018-162000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
202 PM CDT THU APR 16 1992

...AN ISOLATED STRONG THUNDERSTORM HAD RAPIDLY DEVELOPED OVER SOUTHEAST
MISSOURI...

AT 200 PM...RADAR INDICATED THE THUNDERSTORM 15 MILES NORTHEAST OF ROLLA
OR JUST NORTHWEST OF CUBA.  THE STORM WAS MOVING NORTHEAST AT 30 MILES
AN HOUR.  THE STORM WILL BE MOVING ACROSS NORTHERN CRAWFORD COUNTY AND
SOUTHERN FRANKLIN COUNTY BETWEEN 2 PM AND 3 PM CDT.

PEOPLE IN AND NEAR THE TOWNS OF CUBA...SULLIVAN AND ST CLAIR CAN EXPECT
BRIEF HEAVY RAINS...WIND GUSTS UP TO 50 MPH AND HAIL WITH THE PASSAGE OF
THIS STORM. MOTORISTS ALONG INTERSTATE 44 IN THIS AREA WILL ALSO
EXPERIENCE HEAVY	 RAINS WHICH WILL GREATLY REDUCE VISIBILITIES.

FERRY
Special weather statement, Apr 16, 2:12 PM CDT, 1 hour 55 minutes before
MOZALL-162000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
210 PM CDT THU APR 16 1992

...THUNDERSTORMS DEVELOPING OVER SOUTHWESTERN SECTIONS OF CENTRAL
MISSOURI THIS AFTERNOON...

AT 200 PM THUNDERSTORMS WERE DEVELOPING 20 MILES SOUTHEAST OF SEDALIA
NEAR STOVER...AND FROM 20 MILES SOUTH OF SEDALIA NEAR COLE CAMP TO
ABOUT 35 MILES NORTH OF SPRINGFIELD IN HICKORY COUNTY. THE
THUNDERSTORMS WERE MOVING EAST AROUND 25 MILES AN HOUR. HEAVY RAIN
DANGEROUS LIGHTNING...SMALL HAIL AND BRIEF GUSTY WINDS CAN BE EXPECTED
WITH THE STRONGER THUNDERSTORMS.

PERSONS ACROSS THE SOUTHERN HALF OF CENTRAL MISSOURI SHOULD KEEP AN EYE
ON THE SKY THIS AFTERNOON...AND BE ALERT TO RAPIDLY CHANG'ING WEATHER
CONDITIONS. BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THUNDERSTORMS
THREATEN YOUR AREA. LISTEN TO NOAA WEATHER RADIO FOR THE LATEST
STATMENTS THIS AFTERNOON.
LA GREE
Special weather statement, Apr 16, 3:08 PM CDT, 59 minutes before
MOZ011-012-017-018-ILZ011-013-162115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
306 PM CDT THU APR 16 1992

...THUNDERSTORMS CONTINUE TO DEVELOP FROM SOUTHWEST ILLINOIS INTO SOUTH
CENTRAL MISSOURI...

A NARROW BAND OF THUNDERSTORMS EXTENDED FROM 35 MILES SOUTH OF ST LOUIS
EAST OF CRYSTAL CITY TO 55 MILES SOUTHWEST OF ST LOUIS...JUST WEST OF
SULLIVAN. AT 3PM CDT...RADAR INDICATED THE STRONGEST STORMS OVER
EXTREME WESTERN MONROE COUNTY ILLINOIS...IN SOUTHERN JEFFERSON COUNTY
MISSOURI NEAR DE SOTO...OVER CENTRAL WASHINGTON COUNTY MISSOURI NEAR POT
IAND IN SOUTHWEST FRANKLIN COUNTY MISSOURI WEST OF SULLIVAN. THE STORM NE
DESOTO MISSOURI PRODUCE SOME ONE-HALF INCH HAIL AT 245 PM CDT. IN
ADDITION TO SMALL HAIL...THESE STORMS WILL ALSO PRODUCE BRIEF HEAVY
RAINS AND WINDS UP TO 45 MILES AN HOUR.

THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. THE STORMS WILL BE
MOVING THORUGH FRANKLIN...WASHINGTON AND JEFFERSON COUNTIES IN MISSOURI
DMONROE AND ST CLAIR COUNTIES IN ILLINOIS BETWEEN 310 PM AND 410 PM CDT.

FERRY
Special weather statement, Apr 16, 3:12 PM CDT, 55 minutes before
MOZ011-012-017-018-ILZ011-013-162115-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE ST LOUIS MO
306 PM CDT THU APR 16 1992

...THUNDERSTORMS CONTINUE TO DEVELOP FROM SOUTHWEST ILLINOIS INTO SOUTH
CENTRAL MISSOURI...

A NARROW BAND OF THUNDERSTORMS EXTENDED FROM 35 MILES SOUTH OF ST LOUIS
EAST OF CRYSTAL CITY TO 55 MILES SOUTHWEST OF ST LOUIS...JUST WEST OF
SULLIVAN. AT 3PM CDT...RADAR INDICATED THE STRONGEST STORMS OVER
EXTREME WESTERN MONROE COUNTY ILLINOIS...IN SOUTHERN JEFFERSON COUNTY
MISSOURI NEAR DE SOTO...OVER CENTRAL WASHINGTON COUNTY MISSOURI NEAR
POTOSI AND IN SOUTHWEST FRANKLIN COUNTY MISSOURI WEST OF SULLIVAN. THE
STORM NEAR DESOTO MISSOURI PRODUCE SOME ONE-HALF INCH HAIL AT 245 PM CDT.
IN ADDITION TO SMALL HAIL...THESE STORMS WILL ALSO PRODUCE BRIEF HEAVY
RAINS AND WINDS UP TO 45 MILES AN HOUR.

THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. THE STORMS WILL BE
MOVING THORUGH FRANKLIN...WASHINGTON AND JEFFERSON COUNTIES IN MISSOURI
AND MONROE AND ST CLAIR COUNTIES IN ILLINOIS BETWEEN 310 PM AND
410 PM CDT.

FERRY
Special weather statement, Apr 16, 3:49 PM CDT, 18 minutes before
MOZ012-017-018-ILZ011-012-162145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
349 PM CDT THU APR 16 1992

...STRONG THUNDERSTORMS CONTINUE OVER EXTREME EASTERN MISSOURI AND
SOUTHWEST ILLINOIS...

AT 345 PM...WEATHER SERVICE RADAR INDICATED SEVERAL STRONG THUNDERSTORMS
OVER EXTREME EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS.  THE STORMS
EXTENDED FROM 30 MILES SOUTHEAST OF ST LOUIS...NEAR NEW ATHENS...TO 40
MILES SOUTH OF ST LOUIS...NEAR BONNE TERRE.  THE MOST INTENSE STORMS IN
THIS AREA WERE IN ILLINOIS...OVER ST CLAIR AND MONROE COUNTIES.

THE STORMS CONTINUED TO MOVE NORTHEAST AT 30 MILES AN HOUR.  AT THIS
RATE OF MOVEMENT...THE STORMS WILL BE AFFECTING MONROE...ST
CLAIR..WESTERN WASHINGTON...AND MOST OF CLINTON COUNTY BETWEEN 345 AND
430 PM THIS EVENING.

PEOPLE IN THESE AREAS...AND IN THE TOWNS OF NEW ATHENS...OKAWVILLE...
GERMANTOWN...AND RED BUD CAN EXPECT TORRENTIAL RAINS...SMALL HAIL...AND
WINDS OF UP TO 50 MILES AN HOUR WITH THE PASSAGE OF THESE STORMS.
SOME BRIEF FLOODING OF STREETS AND ROADWAYS IS LIKELY.

IN ADDITION...THE CURRENT MOVEMENT OF THESE STORMS WILL TAKE THEM INTO
THE CARLYLE LAKE RECREATIONAL AREA BETWEEN 415 AND 430 PM THISh
AFTERNOON.  BOATERS ON CARLYLE LAKE SHOULD USE CAUTION...GET OFF THE
LAKE AS SOON AS POSSIBLE...AND TAKE SHELTER IN A STURDY PERMANENT
STRUCTURE.

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 3:53 PM CDTSevere Thunderstorm WarningLSXClinton, Washington52 min
Apr 16, 4:24 PM CDTSevere Thunderstorm WarningLSXWashington51 min

Nearby

Severe Thunderstorm Warnings in Illinois, 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.