Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 88, NWS St. Louis, MO

July 16, 1992Saint Clair County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jul 16, 1992, 3:27 PM CDT for Saint Clair County, Illinois. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jul 16, 1992, 3:27 PM CDT (20:27 UTC)
Expired
Jul 16, 1992, 4:15 PM CDT
In force
48 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, 8.5 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 1992-07-16Temperature 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 1992-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 square meters per square second.1939Sfc1 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
NaN m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
-11 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 162028
SVRSTL
ILC163-162115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
327 PM CDT THU JUL 16 1992
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ILLINOIS
 
   ...SOUTHERN ST CLAIR COUNTY
 
AT 325 PM WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
OVER SOUTH ST. CLAIR COUNTY. THE STORM WAS LOCATED FROM MARISSA TO
NEW ATHENS...ABOUT 25 MILES SOUTHEAST OF ST. LOUIS. THE STORM WAS MOVING
NORTHEAST AT 20 MILES AN HOUR.
 
THE STORM WILL MOVE ACROSS THE COMMUNITIES OF FAYETTEVILLE AND ST.
LIBORY BY 400 PM.
 
THIS STORM PRODUCED WIND DAMAGE...TREES AND POWER LINES DOWN...IN
MARISSA AT 320 PM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERRIOR 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/VA

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 16, 1:49 PM CDT, 1 hour 38 minutes before
MOZ018-ILZ013-161945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
149 PM CDT THU JUL 16 1992

...A STRONG THUNDERSTORM HAS DEVELOPED IN STE GENEVIEVE COUNTY...

AT 145 PM...NWS DOPPLER RADAR INDICATED THAT A STORM HAD DEVELOPED
RAPIDLY JUST SOUTH OF FRENCH VILLAGE OR ABOUT 45 MILES SOUTH OF ST
LOUIS.  THIS STORM IS EXPECTED TO MOVE NORTHEAST THROUGH NORTHERN
STE GENEVIEVE AND INTO SOUTHERN MONROE AND EXTREME NORTHERN RANDOLPH
COUNTY BETWEEN 150 AND 230 PM.  THE STORM WILL PRODUCE BRIEF HEAVY
RAIN...GUSTY WIND...DEADLY LIGHTNING AND POSSIBLY SMALL HAIL.
BLOOMSDALE...STE GENEVIEVE...KIDD AND PRARIE DU ROCHER ARE IN THE PATH
OF THIS STORM.

TUCKER
Special weather statement, Jul 16, 2:24 PM CDT, 1 hour 3 minutes before
MOZ006-009-010-013-014-162000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
215 PM CDT THU JUL 16 1992

...STRONG THUNDERSTORMS WERE REDEVELOPING OVER WEST CENTRAL MISSOURI...

AT 215 PM...HEAVY SHOWERS AND IOLATED STRONG THUNDERSTORMS WERE IN A
NARROW LINE THAT EXTENDED FROM 25 MILES SOUTH OF KIRKSVILLE...TO 15
NORTH OF SEDALIA.  THE STORMS WERE LOCATED ALONG THE FRONTAL BOUNDARY
THAT BISECTED THE STATE FROM NEAR THE QUINCY/HANNIBAL AREA TO JOPLIN
MISSOURI.  AN ISOLATED STORM NEAR MARSHALL DROPPED .30 INCHES IN LESS
THAN A HALF HOUR.

SCATTERED THUNDERSTORMS WILL CONTINUE TO BUILD ALONG THIS SLOW MOVING
COOL FRONT THIS AFTERNOON...MOVING INTO THE CENTRAL PART OF THE STATE
BY LATE AFTERNOON.  LIGHT TO MODERATE RAIN WILL PERSIST OVER MOST OF
THE EASTERN PORTION OF THE REGION FOR THE REMAINDER OF THE AFTERNOON
AND EARLY EVENING.
PERLOW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 2:32 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph43 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.