Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 2, NWS Lincoln, IL

March 6, 1992Morgan County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 6, 1992, 3:31 PM CST for Morgan County, Illinois. It was in force for 29 min. 1 report 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
Mar 6, 1992, 3:31 PM CST (21:31 UTC)
Expired
Mar 6, 1992, 4:00 PM CST
In force
29 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Morgan County, IL

What was reported inside it

TimeReportWhereRemark
Mar 6, 3:51 PM CSTTornado F0Morgan, 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

Paducah/Barkley, KY (KPAH), launched 12:00Z, 9.5 hours before the alert went out and 322 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 1992-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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, Paducah/Barkley, KY at 12:00Z on 1992-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
39 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1022 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
71 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 KSPI 062131
SVRSPI
ILC137-062200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD IL
331 PM CST FRI MAR 6 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 400 PM CST FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE CENTRAL PART OF ILLINOIS
      CENTRAL NORTH MORGAN

AT 3 25 PM CST A SEVERE THUNDERSTORMS WAS INDICATED 5 MILES
SOUTHWEST OF JACKSONVILLE...35 MILES SOUTHWEST OF SPRINGFIELD. 3/4
INCH HAIL WAS REPORTED WITH THIS STORM AS IT MOVED THROUGH SCOTT
COUNTY. THE STORM WAS MOVING TOWARD THE NORTH NORTHEAST AT 35 MPH.

IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND DANGEROUS LIGHTNING.

 ATTN ISP DIST...9
 PALMER

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, Mar 6, 12:46 PM CST, 2 hours 45 minutes before
ILZ009-010-061945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1243 PM CST FRI MAR 6 1991

...SEVERE THUNDERSTORM WATCH NUMBER 42 IN EFFECT UNTIL 7 PM CST...
SEVERE THUNDERSTORM WAT CH NUMBER 42 HAS BEEN EXPANDED IN CENTRAL
ILLINOIS TO INCLUDE ALL OF THE COUNTIES IN ZONE 9...MASOM...CASS...
MORGAN...SANGAMON...MACOUPIN...MONTGOMERY...MENARD...LOGAN...DE WITT
...MACON AND CHRISTIAN.

FS
Special weather statement, Mar 6, 1:05 PM CST, 2 hours 26 minutes before
ILZ009-010-062000-

SPECIAL WEATHER STATEMENT CORRECTION
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1255 PM CST FRI MAR 6 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR CENTRAL ILLINOIS UNTIL
   7 00 PM CST...

AT 1250 PM...SCATTERED SHOWERS WERE OVER PARTS OF CENTRAL AND EAST
CENTRAL ILLINOIS IN AN AREA FROM PEORIA TO CHAMPAIGN TO EFFINGHAM TO
SPRINGFIELD AND BACK TO PEORIA.  THE SHOWERS WERE MOVING NORTHEAST
AT 20 MPH.

A STRONG THUNDERSTORM HAD DEVELOPED 35 MILES NORTHWEST OF SPRINGFIELD
IN SOUTHWEST MASON COUNTY.  OTHER SHOWERS AND THUNDERSTORMS WERE
DEVELOPING ALONG THE MISSISSIPPI RIVER NEAR AND SOUTH OF QUINCY...
EXTENDING INTO EAST CENTRAL MISSOURI.  THE SHOWERS AND THUNDERSTORM
S
WERE MOVING NORTHEAST AT 30 MPH.

PALMER
Special weather statement, Mar 6, 1:50 PM CST, 1 hour 41 minutes before
ILZ005-006-007-009-062100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
150 PM CST FRI MAR 6 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7PM FOR PARTS OF WESTERN
ILLINOIS.

RADAR AT 1:40 PM INDICATED A FEW ISOLATED THUNDERSTORMS IN WESTERN AND
CENTRAL ILLINOIS.  THUNDERSTORMS WERE SPECIFICALLY LOCATED JUST EAST OF
THE ILLINOIS RIVER NEAR HAVANA IN MASON COUNTY... NEAR VERMONT IN SOUTHWEST
FULTON COUNTY... AND IN A BROKEN LINE EXTENDING FROM NEAR KEOKUK IOWA DOWN
THROUGH QUINCY ILLINOIS.

THESE THUNDERSTORMS WERE MAINLY JUST PRODUCING A FEW AREAS OF LOCALLY HEAVY
RAINFALL.  THERE COULD ALSO BE SOME SMALL HAIL AND SOME GUSTY WINDS... BUT
THE ACTIVITY WAS NOT APPROACHING SEVERE LEVELS.

THESE THUNDERSTORMS HAVE BEEN MOVING TO THE NORTH NORTHEAST AT 25 TO 30 MPH.
.
RESIDENTS OF WESTERN AND CENTRAL ILLINOIS MAY EXPECT OCCASIONAL SHOWERS
AND THUNDERSTORMS THIS AFTERNOON.  IN WESTERN ILLINOIS THE THUNDERSTORMS
MAY REACH SEVERE LEVELS LATER THIS AFTERNOON AS AN UPPER LEVEL WEATHER
DISTURBANCE PUSHES INTO THE AREA FROM MISSOURI.

THUNDERSHOWER ACTIVITY MAY REACH PEORIA FROM THE SOUTH TO SOUTHWEST
BY ABOUT 3PM... TO BRING RAIN AND SOME GUSTY WINDS.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL... AND ARE
ACCOMPANIED BY VERY DANGEROUS LIGHTNING.

JACOBS
Special weather statement, Mar 6, 1:52 PM CST, 1 hour 39 minutes before
ILZ009-010-062100-

SPECIAL WEATHER STATEMENT CORRECTION
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1 50 PM CST FRI MAR 6 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR CENTRAL ILLINOIS UNTIL
   7 00 PM CST...

AT 1 45 PM...SCATTERED THUNDERSTORMS AND SHOWERS WERE OVER PARTS OF
CENTRAL AND EAST ILLINOIS IN AN AREA NORTH AND WEST OF A LINE FROM
30 MILES NORTHEAST OF ST. LOUIS TO QUINCY TO 25 MILES NORTH OF
SPRINGFIELD TO DANVILLE.  THE THUNDERSTORMS AND SHOWERS WERE MOVING
NORTHEAST AT 30 MPH.

STRONG THUNDERSTORMS WERE OVER EASTERN MISSOURI BETWEEN ST. LOUIS AND
COLUMBIA EXTENDING NORTH TO 45 MILES WEST OF QUINCY ILLINOIS.   THESE
STRONGER STORMS WILL BE MOVING INTO WESTERN ILLINOIS BY AROUND 300 TO
330 PM.

PALMER
Special weather statement, Mar 6, 2:47 PM CST, 44 minutes before
ILZ005-006-007-009-062150-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
250 PM CST FRI MAR 6 1992

...THUNDERSTORMS INTENSIFYING IN WESTERN ILLINOIS...

AT 2:45 PM CST... RADAR INDICATED A VERY STRONG THUNDERTORM JUST ENTERING
SOUTHWESTERN HANCOCK COUNTY WEST OF THE TOWN OF LORRAINE ILLINOIS IN EXTREME
WESTERN ILLINOIS.  THIS THUNDERSTORM WAS MOVING NORTH NORTHEAST AT 30 MPH
AND WILL MOVE ACROSS THE TOWN OF CARTHAGE DURING THE NEXT HOUR.  RESIDENTS
SHOULD ANTICIPATE LOCALLY HEAVY RAINFALL AND POSSIBLE HAIL

OTHER MUCH LESS INTENSE THUNDERSHOWERS WERE OCCURRING IN WESTERN SCHUYLER
COUNTY.  THESE THUNDERSHOWERS WERE ALSO MOVING NORTH NORTHEAST AT 30 MPH
AND WILL MOVE UP NORTH OF RUSHVILLE ILLINOIS DURING THE NEXT HOUR.
.
RESIDENTS OF WESTERN AND CENTRAL ILLINOIS MAY EXPECT OCCASIONAL SHOWERS
AND THUNDERSTORMS THIS AFTERNOON.  IN WESTERN ILLINOIS THE THUNDERSTORMS
MAY REACH SEVERE LEVELS LATER THIS AFTERNOON AS AN UPPER LEVEL WEATHER
DISTURBANCE PUSHES INTO THE AREA FROM MISSOURI.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL... AND ARE
ACCOMPANIED BY VERY DANGEROUS LIGHTNING.

JACOBS
Special weather statement, Mar 6, 2:56 PM CST, 35 minutes before
ILZ009-010-062200-

SPECIAL WEATHER STATEMENT CORRECTION
NATIONAL WEATHER SERVICE SPRINGFIELD IL
2 55 PM CST FRI MAR 6 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR CENTRAL ILLINOIS UNTIL
   7 00 PM CST...

AT 2 45 PM...A STRONG THUNDERSTORM WAS LOCATED NEAR WINCHESTER ILLINOIS
WHICH IS ABOUT 45 MILES SOUTHWEST OF SPRINGFIELD.  THIS STORM WAS
MOVING NORTH NORTHEAST AT 40 MPH.  THE STORM MAY PRODUCE MARBLE SIZE
HAIL AS IT MOVES INTO MORGAN COUNTY BETWEEN MEREDOSIA AND JACKSONVILLE
THROUGH CHAPIN BETWEEN 3 00 AND 3 30 PM. THIS STORM WILL ALSO HAVE
FREQUENT DANGEROUS LIGHTNING.   ANOTHER INTENSIFYING STORM WAS IN
MACOUPIN COUNTY BETWEEN GREENFIELD AND CARLINVILLE.

OTHER INTENSIFYING THUNDMERSTORMS WERE OVER WESTERN ILLINOIS FROM NEAR
BURLINGTON IOWA TO QUINCY ILLINOIS TO 50 MILES WEST OF ST. LOUIS. THESE
STORMS WILL BE MOVING INTO WESTERN ILLINOIS BETWEEN 3 00 AND 4 00 PM.
PALMER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 3:57 PM CSTTornado WarningILXMorgan33 min
Mar 6, 4:19 PM CSTTornado WarningILXCass26 min
Mar 6, 4:51 PM CSTSevere Thunderstorm WarningILXCass39 min
Mar 6, 4:58 PM CSTSevere Thunderstorm WarningILXMacoupin32 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.