Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 119, NWS St. Louis, MO

September 9, 1992Adams County, Illinois; Lewis County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Sep 9, 1992, 3:39 PM CDT for Adams County, Illinois; Lewis County, Missouri. It was in force for 66 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 9, 1992, 3:39 PM CDT (20:39 UTC)
Expired
Sep 9, 1992, 4:45 PM CDT
In force
66 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Adams County, IL, Lewis County, MO

The radar

The St Louis radar (KLSX), 163 km from the middle of the area, began a volume at 20:40 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Sep 9, 4:05 PM CDTHail 1.75Adams, IL
Sep 9, 4:05 PM CDTHail 0.75Lewis, MO
Sep 9, 4:50 PM CDTHail 1.75Adams, IL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.7 hours before the alert went out and 377 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 1992-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2283 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 1992-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 457 square meters per square second.19395878Sfc1 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
2283 J/kg
Mixed-layer CIN
-238 J/kg
Mixed-layer LCL
769 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
457 m²/s²
0-3 km storm-relative helicity
734 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 092040
SVRSTL
ILC001-MOC111-092145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
339 PM CDT WED SEP 9 1992
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  445 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL ILLINOIS
 
   ...NORTHERN ADAMS COUNTY
 
 
IN NORTHEAST MISSOURI
 
   ...SOUTHERN LEWIS COUNTY
 
AT 335 PM CDT...NWS DOPPLER SHOWED A SEVERE THUNDERSTORM OVER SOUTHERN
LEWIS COUNTY...NEAR THE TOWN OF EWING...OR ABOUT 15 MILES WEST OF
QUNICY.
 
PEOPLE IN THE TOWNS OF LAGRANGE IN MISSOURI...AND URSA AND MARCELLINE
IN ILLINOIS ARE IN THE PATH OF THIS STORM AND SHOULD SEEK SHELTER
IMMEDIATELY.
 
THE SEVERE THUNDERSTORM WAS MOVING TO THE EAST NORTHEAST AT 35 MILES AN
HOUR.
 
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES,
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
RP/FG

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, Sep 9, 1:16 PM CDT, 2 hours 23 minutes before
MOZALL-092200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
110 PM CDT WED SEP 9 1992

...A TORNADO WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND NORTHEAST
   MISSOURI FOR THIS AFTERNOON AND EVENING...

THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A TORNADO WATCH
FOR PORTIONS OF WEST CENTRAL...CENTRAL AND NORTHEAST MISSOURI FROM 145
PM UNTIL 9 PM CDT.  STORMS ARE EXPECTED TO DEVELOP RAPIDLY OVER WEST
CENTRAL MISSOURI AND THEN MOVE THROUGH THE STATE THIS AFTERNOON AND
EARLY THIS EVENING.

SEVERE THUNDERSTORMS ARE EXPECTED OVER MUCH OF MISSOURI THIS AFTERNOON
AND EVENING.  ADDITIONAL WATCHES MAY BE ISSUED LATER THIS AFTERNOON.
STAY TUNED TO NOAA WEATHER RADIO AND LOCAL COMMERCIAL RADIO AND
TELEVISION FOR ADDITIONAL STATEMENTS...WATCHES AND POSSIBLE WARNINGS.

TUCKER
Special weather statement, Sep 9, 1:57 PM CDT, 1 hour 42 minutes before
MOZ006-009-010-091930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
150 PM CDT WED SEP 9 1992

...A TORNADO WATCH IS IN EFFECT FOR MOST OF CENTRAL MISSOURI UNTIL
9 PM...STRONG THUNDERSTORMS WERE DEVELOPING IN NORTH CENTRAL MISSOURI...

AT 150 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 40 MILES
NORTH OF KIRKSVILLE...TO 35 MILES NORTHEAST OF KANSAS CITY.  THE
LINE OF THUNDERSTORMS WAS MOVING SOUTHEAST AT 10 MPH...WHILE INDIVIDUAL
STORMS WERE MOVING NORTHEAST AT 35 MPH.  OTHER...MOSTLY LIGHT SHOWERS
WERE SCATTERED ACROSS CENTRAL AND EAST CENTRAL MISSOURI.

THESE STORMS DEVELOPED VERY QUICKLY AND ARE EXPECTED TO REACH SEVERE
THUNDERSTORM PROPORTIONS BEFORE 3 PM.  RESIDENTS IN NORTH CENTRAL
MISSOURI...INCLUDING THE COUNTIES OF LINN...MACON AND CHARITON SHOULD
PREPARE FOR THE THREAT OF SEVERE STORMS...OR POSSIBLY TORNADOES.

IF YOU OBSERVE SEVERE WEATHER...REPORT IT TO THE NEAREST LAW ENFORCEMENT
AGENCY FOR RELAYj TO THE NATIONAL WEATHER SERVICE.  STAY TUNED TO
WEATHER RADIO FOR FURTHER UPDATES OR POSSIBLE WARNINGS.

PERLOW
Special weather statement, Sep 9, 2:35 PM CDT, 1 hour 4 minutes before
MOZ003-006-007-011-092030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
233 PM CDT WED SEP 9 1992

...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF NORTHEAST AND CENTRAL
TIL 900 PM CDT THIS WEDNESDAY AFTERNOON AND EVENING...

AT 230 PM CDT...NWS DOPPLER RADAR AT ST. LOUIS SHOWED AN AREA OF
DEVELOPING THUNDERSTORMS OVER PARTS OF EXTREME NORTH CENTRAL MISSOURI.

THE THUNDERSTORMS WERE LOCATED NORTHWEST SCHUYLER COUNTY NEAR THE
TOWN OF GLENDALE...ABOUT 25 MILES NORTH NORTHWEST OF KIRKSVILLE AND
EASTERN SULLIVAN COUNTY...ABOUT 15 TO 20 MILES WEST OF KIRKSVILLE.

THE STRONG THUNDERSTORM OVER EASTERN SULLIVAN COUNTY WILL MOVE INTO
THE TOWN OF KIRKSVILLE BETWEEN 245 AND 250 PM CDT.

AT 230 PM THE MILAN POLICE DEPARTMENT IN SULLIVAN COUNTY REPORTED
MARBLE SIZE HAIL AND ESTIMATED WIND GUSTS BETWEEN 30 TO 35 MILES AN HOUR
THE THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR.

PEOPLE IN THE TORNADO WATCH AREA SHOULD KEEP TUNE FOR LATER STATMENTS
AND POSSIBLE WARNINGS.

PRZYBYLINSKI
Special weather statement, Sep 9, 3:18 PM CDT, 21 minutes before
MOZ003-006-007-011-092115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
317 PM CDT WED SEP 9 1992

...A TORNADO WATCH REMAINS IN EFFECT FOR NORTHEAST AND CENTRAL MISSOURI
AND WEST CENTRAL ILLINOIS TIL 900 PM CDT..

AT 315 PM CDT...NWS DOPPLER RADAR SHOWED THUNDERSTORMS DEVELOPING FROM
EXTREME SOUTHEAST IOWA THROUGH PARTS OF NORTHEAST MISSOURI AND SOUTHWEST
INTO PARTS OF CENTRAL MISSOURI.

THE AREA OF THUNDERSTORMS EXTENDED NEAR BURLINGTON IOWA SOUTHWEST
THROUGH KIRKSVILLE TO NEAR CARROLTON MISSOURI...ABOUT 55 MILES
EAST OF KANSAS CITY.

THE STRONGEST THUNDERSTORMS WERE LOCATED JUST SOUTHEAST OF KIRKSVILLE...
AND NEAR BURLINGTON IOWA.

A SECOND AREA OF THUNDERSTORMS WERE DEVELOPING FROM 25 MILES NORTH OF
QUINCY TO 35 MILES WEST SOUTHWEST OF QUNICY NEAR THE TOWN OF SHELBYVILLE
IN SHELBY COUNTY.

MANY OF THESE STORMS WILL PRODUCE GUSTY WINDS...SMALL HAIL AND BRIEF
HEAVY DOWNPOURS.

DUE TO THE RAPID DEVELOPMENT OF THESE STORMS PEOPLE IN NORTHEAST AND
CENTRAL MISSOURI SHOULD BE ALERT FOR FURTHER UPDATES AND POSSIBLE
WARNINGS FROM THE NATIONAL WEATHER SERVICE.

PRZYBYLINSKI
Special weather statement, Sep 9, 3:23 PM CDT, 16 minutes before
MOZ006-009-010-092100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
320 PM CDT WED SEP 9 1992

...A TORNADO WATCH IS IN EFFECT FOR MOST OF CENTRAL MISSOURI UNTIL
9 PM...STRONG THUNDERSTORMS WERE MOVING THROUGH NORTH CENTRAL MISSOURI...

AT 300 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 50 MILES
NORTHEAST OF KIRKSVILLE TO 50 MILES SOUTHWEST OF KIRKSVILLE. THE
STRONGEST STORM WAS LOCATED OVER KIRKSVILLE. THE LINE OF STORMS WAS
MOVING TO THE EAST AT 40 MPH. OTHER THUNDERSTORMS WERE RAPIDLY
DEVELOPING AROUND 40 MILES NORTH OF SEDALIA...JUST WEST OF MARSHALL AND
SLATER.

THESE STORMS WILL BE 30 MILES NORTHWEST OF COLUMBIA BY 320 PM AND
COULD REACH SEVERE STRENGTH AT ANY TIME...PRODUCING LARGE HAIL...
DAMAGING WINDS...OR POSSIBLY TORNADOES.

IF YOU OBSERVE SEVERE WEATHER...REPORT IT TO THE NEAREST LAW ENFORCEMENT
AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.  STAY TUNED TO
WEATHER RADIO FOR FURTHER UPDATES OR POSSIBLE WARNINGS.

KENNEDY
Special weather statement, Sep 9, 3:25 PM CDT, 14 minutes before
MOZ006-009-010-092100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO...CORRECTION
320 PM CDT WED SEP 9 1992

...A TORNADO WATCH IS IN EFFECT FOR MOST OF CENTRAL MISSOURI UNTIL
9 PM...STRONG THUNDERSTORMS WERE MOVING THROUGH NORTH CENTRAL MISSOURI...

AT 300 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 50 MILES
NORTHEAST OF KIRKSVILLE TO 50 MILES SOUTHWEST OF KIRKSVILLE. THE
STRONGEST STORM WAS LOCATED OVER KIRKSVILLE. THE LINE OF STORMS WAS
MOVING TO THE EAST AT 40 MPH. OTHER THUNDERSTORMS WERE RAPIDLY
DEVELOPING AROUND 40 MILES NORTH OF SEDALIA...JUST WEST OF MARSHALL AND
SLATER.

THESE STORMS WILL BE 30 MILES NORTHWEST OF COLUMBIA BY 420 PM AND
COULD REACH SEVERE STRENGTH AT ANY TIME...PRODUCING LARGE HAIL...
DAMAGING WINDS...OR POSSIBLY TORNADOES.

IF YOU OBSERVE SEVERE WEATHER...REPORT IT TO THE NEAREST LAW ENFORCEMENT
AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.  STAY TUNED TO
WEATHER RADIO FOR FURTHER UPDATES OR POSSIBLE WARNINGS.

KENNEDY

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 4:37 PM CDTSevere Thunderstorm WarningLSXAdams53 min
Sep 9, 5:40 PM CDTSevere Thunderstorm WarningLSXPike50 min
Sep 9, 6:29 PM CDTSevere Thunderstorm WarningLSXGreene46 min
Sep 9, 7:07 AM CDTFlash Flood WarningLSXMonroe, Shelby3 hr
Sep 9, 2:47 PM CDTSevere Thunderstorm WarningLSXAdair43 min
Sep 9, 3:27 PM CDTSevere Thunderstorm WarningLSXKnox48 min
Sep 9, 4:11 PM CDTSevere Thunderstorm WarningLSXShelby39 min
Sep 9, 4:41 PM CDTSevere Thunderstorm WarningLSXMarion49 min
Sep 9, 4:45 PM CDTSevere Thunderstorm WarningLSXMonroe45 min
Sep 9, 6:34 PM CDTSevere Thunderstorm WarningLSXLincoln41 min
Sep 9, 6:47 PM CDTSevere Thunderstorm WarningLSXWarren43 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1992Severe 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.