Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 94, NWS Lincoln, IL

September 7, 1992McDonough County, Warren County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Sep 7, 1992, 9:00 PM CDT for McDonough County, Warren County, Illinois. It was in force for 60 min.

The area

The counties it named.

The facts

Issued: Sep 7, 1992, 9:00 PM CDT (02:00 UTC)
Expired: Sep 7, 1992, 10:00 PM CDT
In force: 60 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties McDonough County, IL, Warren County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 2.0 hours before the alert went out and 433 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1069 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 1479 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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, Sep 7, 6:40 PM CDT, 2 hours 20 minutes before

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Special weather statement, Sep 7, 6:41 PM CDT, 2 hours 19 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Sep 7, 6:42 PM CDT, 2 hours 18 minutes before

ILZ005>007-009-080230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
635 PM CDT MON SEP 7 1992

...SCATTERED THUNDERSTORMS DOTTED MUCH OF WEST CENTRAL ILLIOIS...

AT 630 PM... RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS ACROSS MOST
OF THE AREA. THE STRONGEST STORMS WERE IN NORTHERN MCDONOUGH COUNTY AND NORTHERNFULTON COUNTY. THE NEAREST ACTIVITY TO PEORIA WAS NEAR BRIMFIELD...
20 MILES NORTHWEST OF PEORIA. ALL THE ACTIVITY WAS MOVING EAST AT 35 MPH.

SHOWERS AND THUNDERSTORMS WILL MOVE INTO PEORIA AROUND 7 PM. THESE WILL
BE THE STRONGER STORMS THAT WERE IN NORTHERN FULTON COUNTY. SMALL HAIL...
HEAVY DOWNPOURS...DEADLY LIGHTNING AND GUSTY WINDS ARE POSSIBLE WITH THE
STRONGEST OF THESE STORMS.

MOGGED

Special weather statement, Sep 7, 7:36 PM CDT, 1 hour 24 minutes before

ILZ005>007-009-080130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
735 PM CDT MON SEP 7 1992

...SHOWERS AND THUNDERSTORMS WERE ACROSS MOST OF WEST CENTRAL ILLIOIS...

AT 730 PM... RADAR INDICATED SHOWERS AND THUNDERSTORMS ACROSS MOST
OF THE AREA. THE AREA OF MAIN CONCERN IS A LINE OF STRONG THUNDERSTORMS FROM
10 MILES WEST OF MOLINE TO 20 MILES WEST OF BURLINGTON. THE STRONGEST
STORM IN THIS LINE WAS 20 MILES WEST OF BURLINGTON MOVING EAST AT 30 MPH.

THE STRONGEST STORMS WILL CROSS THE MISSISSIPPI RIVER AROUND 8 PM AFFECTING
MAINLY HENDERSON COUNTY BY 8 PM. ANOTHER STRONG STORM WAS NORTH OF QUINCY
WHICH WILL SLIDE EAST INTO SCHUYLER AND SOUTHERN MCDONOUGH COUNTIES THROUGH
8:30 PM. THE STORMS IN THE PEORIA AREA WILL CONTINUE THROUGH 8:30 PM.

SMALL HAIL... FREQUENT DEADLY LIGHTNING... HEAVY DOWNPOURS AND GUSTY WINDS
ARE POSSIBLE WITH ALL THESE STORMS.
MOGGED

Special weather statement, Sep 7, 7:39 PM CDT, 1 hour 21 minutes before

ILZ005>007-009-080130-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE PEORIA IL
735 PM CDT MON SEP 7 1992

...SHOWERS AND THUNDERSTORMS WERE ACROSS MOST OF WEST CENTRAL ILLIOIS...

AT 730 PM... RADAR INDICATED SHOWERS AND THUNDERSTORMS ACROSS MOST
OF THE AREA. THE AREA OF MAIN CONCERN IS A LINE OF STRONG THUNDERSTORMS FROM
10 MILES WEST OF MOLINE TO 20 MILES WEST OF BURLINGTON. THE STRONGEST
STORM IN THIS LINE WAS 20 MILES WEST OF BURLINGTON MOVING EAST AT 30 MPH.

THE STRONGEST STORMS WILL CROSS THE MISSISSIPPI RIVER AROUND 8 PM AFFECTING
MAINLY HENDERSON COUNTY. ANOTHER STRONG STORM WAS NORTH OF QUINCY
WHICH WILL SLIDE EAST INTO SCHUYLER AND SOUTHERN MCDONOUGH COUNTIES THROUGH
8:30 PM. THE STORMS IN THE PEORIA AREA WILL CONTINUE THROUGH 8:30 PM.

SMALL HAIL... FREQUENT DEADLY LIGHTNING... HEAVY DOWNPOURS AND GUSTY WINDS
ARE POSSIBLE WITH ALL THESE STORMS.
MOGGED

Special weather statement, Sep 7, 8:41 PM CDT, 19 minutes before

ILZ009-010-080230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
8 40 PM CDT MON SEP 7 1992

...TORNADO WATCH FOR CENTRAL ILLINOIS UNTIL 2 AM CDT TUE...

AT 8 35 PM CDT...RADAR INDICATED AN AREA OF RAIN MOVING INTO CENTRAL
ILLINOIS FROM HAVANA TO 30 MILES WEST OF SPRINGFIELD AT JACKSONVILLE TO
30 MILES NORTHWEST OF ST. LOUIS.  THE RAIN WAS MOVING NORTHEAST AT
35 MPH AND SHOULD REACH A SPRINGFIELD TO CARLINVILLE LINE BY AROUND
915 TO 930 PM.

A STRONG THUNDERSTORM WAS IN EASTERN MISSOURI ABOUT 40 MILES NORTHEAST
OF COLUMBIA.  THIS STORM WILL BE MOVING INTO CENTRAL ILLINOIS AT
AROUND 10 PM.  IN ADDITION...OTHER STRONG THUNDERSTORMS MAY DEVELOP
ACROSS CENTRAL ILLINOIS BY AROUND 10 PM.

PERSONS IN CENTRAL ILLINOIS IN THE TORNADO WATCH AREA SHOULD BE ALERT
FOR THREATENING WEATHER CONDITIONS.  HAVE A PLAN THAT WILL ALLOW YOU
TO TAKE IMMEDIATE SHELTER IF A WARNING IS ISSUED.  MONITOR TELEVSION...
RADIO STATIONS AND NOAA WEATHER RADIO FOR THE LATEST INFORMATION.

PALMER

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 7, 9:48 PM CDT	Severe Thunderstorm Warning	ILX	Peoria	42 min
Sep 7, 10:25 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	50 min
Sep 7, 10:34 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard	26 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1992 Every 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.