Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 3, NWS Lincoln, IL

March 6, 1992Cass County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 6, 1992, 4:51 PM CST for Cass County, Illinois. It was in force for 39 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, 4:51 PM CST (22:51 UTC)
Expired
Mar 6, 1992, 5:30 PM CST
In force
39 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Cass County, IL

What was reported inside it

TimeReportWhereRemark
Mar 6, 5:05 PM CSTHail 0.75Cass, 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, 10.9 hours before the alert went out and 350 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 062251
SVRSPI
ILC017-062345-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 545 PM CST FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE CENTRAL PART OF ILLINOIS
      WESTERN CASS

WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER WESTERN CASS
COUNTY AT 450 PM CST. THE STORM WAS LOCATED NEAR BLUFF SPRINGS...
40 MILES NORTHWEST OF SPRINGFIELD.

THE STORM WAS MOVING NORTH NORTHEAST AT 35 MPH.

THE TOWN OF CHANDLERVILLE IS IN THE PATH OF THIS STORM

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.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.

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 SO BE ON THE LOOKOUT.

 ATTN ISP DIST...9
 FENLEY

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, 2:47 PM CST, 2 hours 4 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, 1 hour 55 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
Special weather statement, Mar 6, 3:44 PM CST, 1 hour 7 minutes before
ILZ005-006-007-009-062245-

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

...SEVERE THUNDERSTORM WATCH FOR PARTS OF WESTERN ILLINOIS UNTIL 7PM...

AT 3:40 PM CST... RADAR WAS INDICATING STRONG THUNDERSTORMS IN WESTERN
ILLINOIS NEAR SOUTHEAST HANCOCK COUNTY.  THESE STORMS HAVE BEEN MOVING NORTH
NORTHEAST AT 30 MPH AND MAY PRODUCE HEAVY RAIN AND SMALL HAIL AS THEY MOVE
OVER SOUTHEAST HANCOCK AND WESTERN MCDONOUGH COUNTIES DURING THE NEXT HOUR.

A FEW SHOWERS AND THUNDERSTORMS WERE OCCURRING IN A LINE FROM 20 MILES SOUTH
OF PEORIA IN TAZEWELL COUNTY OVER CANTON TO NEAR ROSEVILLE ILLINOIS IN
WARREN COUNTY.  THE HEAVIEST RAINFALL IN THESE THUNDERSTORMS WAS INDICATED
NEAR GREEN VALLEY AND SOUTH PEKIN IN TAZEWELL COUNTY.

THESE SHOWERS AND THUNDERSTORMS HAVE ALSO BEEN MOVING NORTH NORTHEAST AT 30
MPH.  THE HEAVIER RAIN AREAS WILL HEAD TOWARDS NORTHERN TAZEWELL COUNTY
TO AFFECT MORTON AND WASHINGTON BY 4:00 TO 4:30 PM.
.

JACOBS
Special weather statement, Mar 6, 4:07 PM CST, 44 minutes before
ILZ009-010-062315-

SPECIAL WEATHER STATEMENT
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 4 00 PM...SCATTERED THUNDERSTORMS WERE WEST OF LINE FROM
BLOOMINGTON TO THE SPRINGFIELD AREA AND ON TO ST. LOUIS. THE AREA OF
STORMS WERE SHIFTING SLOWLY TOWARD THE EAST.

STAY TUNED FOR UPDATED STATEMENTS ON SEVERE WEATHER AND POSSIBLE
WARNINGS.

FS
Special weather statement, Mar 6, 4:08 PM CST, 43 minutes before
ILC137-062245-

SEVERE WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE SPRINGFIELD ILLINOIS
405 PM CST FRI MAR 6 1992

...A TORNADO WARNING FOR MORGAN COUNTY UNTIL 430 PM CST...

AT 400 PM CST THE MORGAN COUNTY SHERRIFF REPORTED A FUNNEL CLOUD
APPEARED TO BE REFROMING AN MOVING CLOSER TO THE GROUND TO THE
NORTHWEST OF JACKSONVILLE...35 MILES WEST OF SPRINGFIELD.

THE FUNNEL CLOUD WAS MOVING NORTH NORTHEAST AT 35 MPH AND CONTINUES
TO THREATEN THE TOWNS OF CONCORD..ARCADIA AND LITERBERRY.

PERSONS IN MORGAN COUNTY SHOULD SEEK SHELTER IMMEDIATELY.

FENLEY
Special weather statement, Mar 6, 4:44 PM CST, 7 minutes before
ILZ005-006-007-009-062330-

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

...SEVERE THUNDERSTORM WATCH FOR WESTERN AND CENTRAL ILLINOIS UNTIL 9PM...

AT 4:35 PM CST... POSSIBLE TORNADOES WERE BEING REPORTED NORTHWEST OF SPRING-
FIELD.  THE STORM IS BEING CLOSELY MONITORED AS IT MOVES NORTHEAST AT ABOUT
35 MPH.  A WARNING MAY BE REQUIRED FOR EASTERN MASON COUNTY IF THE REPORTS
CONTINUE AND THE STORM DOES NOT WEAKEN.

ELSEWHERE... OTHER THUNDERSTORMS WERE OCCURRING IN WESTERN ILLINOIS AROUND
NAUVOO IN HANCOCK COUNTY.  MARBLE-SIZED HAIL WAS REPORTED AT NAUVOO DURING
THE PAST HOUR.  THUNDERSTORMS WERE ALSO IN SOUTHWEST MCDONOUGH COUNTY AROUND
COLCHESTER.  THESE THUNDERSTORMS WERE MOVING NORTH NORTHEAST AT 30 MPH AND
SHOULD AFFECT MCDONOUGH...WARREN...AND FULTON COUNTIES DURING THE NEXT HOUR.

ANOTHER THUNDERSTORM WAS LOCATED ABOUT 10 MILES SOUTH OF BEARDSTOWN AND IT
WILL MOVE NORTHEAST UP INTO EASTERN SCHUYLER AND WESTERN MASON COUNTIES BY
5:30 PM.

SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 58 MPH... AND DESTRUCTIVE
HAIL.

JACOBS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 3:31 PM CSTSevere Thunderstorm WarningILXMorgan29 min
Mar 6, 3:57 PM CSTTornado WarningILXMorgan33 min
Mar 6, 4:19 PM CSTTornado WarningILXCass26 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.