Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 81, NWS Lincoln, IL

July 9, 1992Cass County, Morgan County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 9, 1992, 5:36 PM CDT for Cass County, Morgan County, Illinois. It was in force for 69 min. 2 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
Jul 9, 1992, 5:36 PM CDT (22:36 UTC)
Expired
Jul 9, 1992, 6:45 PM CDT
In force
69 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Cass County, IL, Morgan County, IL

What was reported inside it

TimeReportWhereRemark
Jul 9, 5:43 PM CDTHail 1.75Cass, IL
Jul 9, 5:47 PM CDTHail 1.75Morgan, 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, 10.6 hours before the alert went out and 336 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 1992-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1224 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 1992-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
1224 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
808 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, Jul 9, 2:35 PM CDT, 3 hours 1 minute before
ILZ005>007-009-092030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
235 PM CDT THU JUL 9 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM FOR HANCOCK...MCDONOUGH...
SCHUYLER...FULTON AND MASON COUNTIES...

AT 230 PM... RADAR INDICATED SCATTERED SHOWERS DOTTING MOST OF WEST CENTRAL
ILLINOIS. THE HEAVIEST CONCENTRATION OF SHOWERS WAS FROM NORTHERN MCDONOUGH
COUNTY TO PEORIA. THESE SHOWERS WERE MOVING EAST AT 40 MPH. MORE SHOWERS WERE
DEVELOPING WEST OF BURLINGTON.

NO SEVERE WEATHER WAS OCCURRING ACROSS WEST CENTRAL ILLINOIS HOWEVER
CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO DEVELOP IN AND AROUND
THE WATCH AREA. LARGE HAIL... DAMAGING WINDS... DANGEROUS LIGHTNING AND
HEAVY DOWNPOURS ARE POSSIBLE

STAY TUNED TO TELEVISION...LOCAL RADIO OR NOAA WEATHER RADIO FOR FURTHER
STATEMENTS OR WARNINGS.
.
MOGGED
Special weather statement, Jul 9, 3:09 PM CDT, 2 hours 27 minutes before
ILZ009-092100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
3 08 PM CDT THU JUL 9 1992

...SEVERE THUNDERSTORM WATCH UNTIL 7 PM CDT...

AT 305 PM CDT...WEATHER RADARS SHOWS AND AREA OF SHOWERS AND THUNDER/
STORMS NORTH AND EAST OF A LINE FROM BURLINGTON IOWA TO PEORIA THEN
SOUTH TO NEAR EFFINGHAM ILLINOIS. THE STORMS WERE MOVING EAST AND
SOUTHEAST AT 35 MPH.

THE STRONGEST STORMS WERE IN EAST CENTRAL ILLINOIS IN EDGAR...COLES
AND CLARK COUNTIES. .

REMEMBER A SEVERE THUNDERSTORMS WATCH REMAINS IN EFFECT FOR CENTRAL
AND EAST CENTRAL ILLINOIS UNTIL 7 PM CDT. PERSONS ARE ADVISED TO BE
ON THE ALERT FOR SEVERE WEATHER AND BE PREPARED TO MOVED TO A PLACE
OF SAFETY.
HILLIARD
Special weather statement, Jul 9, 3:40 PM CDT, 1 hour 56 minutes before
ILZ005>007-009-092130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
330 PM CDT THU JUL 9 1992

...SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 7 PM FOR HANCOCK...MCDONOUGH...
SCHUYLER...FULTON AND MASON COUNTIES...

AT 325 PM... SHOWERS WITH POSSIBLY A FEW THUNDERSTORMS WERE OCCURRING
ACROSS WESTERN AND CENTRAL ILLINOIS. THE HEAVIEST RAINFALL WAS DETECTED
ALONG A LINE FROM WEST CENTRAL FULTON COUNTY 43 MILES SOUTHWEST OF PEORIA
TO NORTHERN MCLEAN COUNTY...23 MILES NORTHEAST OF BLOOMINGTON. IN ADDITION...
MAINLY SHOWERS WERE OCCURRING OVER WESTERN ILLINOIS EAST OF A LINE FROM
BURLINGTON TO QUINCY...EAST TO GALESBURG. MOVEMENT OF THE SHOWERS AND STORMS
WAS TO THE EAST-SOUTHEAST AT 25 MPH.

NO SEVERE WEATHER HAD BEEN REPORTED ACROSS THE HEART OF ILLINOIS THROUGH
THE AFTERNOON...HOWEVER CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT
OF SEVERE THUNDERSTORMS OVER THE COUNTIES MENTIONED TO THE SOUTH OF PEORIA.

PERSONS IN THE AFFECTED AREAS SHOULD STAY TUNED TO LOCAL RADIO AND TV
STATIONS OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS
THROUGH THIS AFTERNOON AND EARLY EVENING.

BREESER
Special weather statement, Jul 9, 4:02 PM CDT, 1 hour 34 minutes before
ILZ009-010-092200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
4 00 PM CDT THU JUL 9 1992

...SEVERE THUNDERSTORM WATCH UNTIL 7 PM CDT...

AT 355 PM CDT...WEATHER RADARS SHOWS AND AREA OF SHOWERS AND THUNDER/
STORMS EAST OF A LINE FROM GIBSON CITY 22 MILES NORTH OF CHAMPAIGN TO
ASSUMPTON 30 MILES SOUTHEAST OF SPRINGFIELD ILLINOIS. OTHER SHOWERS
AND THUNDERSTORM WERE OVER NORTH CENTRAL ILLINOIS NORTH OF A LINE FROM
NEAR BURLINGTON IOWA TO GIBSON CITY ILLINOIS. THE SHOWERS AND STORMS
WERE MOVING EAST AND SOUTHEAST AT 35 MPH.

THE STRONGEST STORMS WERE LOCATED 30 MILES SOUTHWEST OF TERRE HAUTE
INDIANA JUST SOUTH OF MARTINSVILLE ILLINOIS.

REMEMBER A SEVERE THUNDERSTORMPS WATCH REMAINS IN EFFECT FOR CENTRAL
AND EAST CENTRAL ILLINOIS UNTIL 7 PM CDT. PERSONS ARE ADVISED TO BE
ON THE ALERT FOR SEVERE WEATHER AND BE PREPARED TO MOVED TO A PLACE
OF SAFETY.

HILLIARD
Special weather statement, Jul 9, 4:40 PM CDT, 56 minutes before
ILZ005>007-009-092230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
440 PM CDT THU JUL 9 1992

...SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 7 PM FOR HANCOCK...MCDONOUGH...
SCHUYLER...FULTON AND MASON COUNTIES...

AT 435 PM... MAINLY SHOWERS WITH POSSIBLY A FEW THUNDERSHOWERS WERE
SCATTERED ALL ACROSS WEST CENTRAL ILLINOIS. THE HEAVIEST PRECIPITATION
WAS OCCURRING OVER CENTRAL PUTNAM COUNTY NEAR GRANVILLE...45 MILES
NORTHEAST OF PEORIA. MOVEMENT OF ALL OF THE SHOWERS WAS TO THE EAST
NORHTEAST AT 30 MPH.

NO SEVERE WEATHER HAD BEEN REPORTED ACROSS THE HEART OF ILLINOIS THROUGH
THE AFTERNOON...HOWEVER CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT
OF SEVERE THUNDERSTORMS OVER THE COUNTIES MENTIONED TO THE SOUTH OF PEORIA.

PERSONS IN THE AFFECTED AREAS SHOULD REMAIN ALERT TO CHANGING WEATHER
CONDITIONS. STAY TUNED TO LOCAL RADIO AND TV STATIONS OR NOAA WEATHER
RADIO FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS THROUGH THE  REMAINDER
OF THE AFTERNOON AND EARLY EVENING.

BREESER
Special weather statement, Jul 9, 5:01 PM CDT, 35 minutes before
ILZ009-010-092300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
5 00 PM CDT THU JUL 9 1992

...SEVERE THUNDERSTORM WATCH UNTIL 7 PM CDT...

AT 455 PM CDT...WEATHER RADARS SHOWS A SCATTERED AREA OF SHOWERS AND
THUNDERSTORMS NORTH OF A LINE FROM QUINCY TO DANVILLE ILLINOIS. THE
STORMS WERE MOVING EAST AT 30 MPH.

THE STRONGEST STORMS WERE LOCATED 45 MILES NORTHWEST OF SPRINGFIELD
NEAR FREDERICK ILLINOIS AND NEAR PARNELL 25 MILES NORTHWEST OF
CHAMPAIGN ILLINOIS.

THE STRONGEST STORMS MAY LIKELY PRODUCE STRONG GUSTY WINDS...HAIL
...BRIEF HEAVY RAINFALL AND DANGEROUS LIGHTNING.

REMEMBER A SEVERE THUNDERSTORMS WATCH REMAINS IN EFFECT FOR CENTRAL
AND EAST CENTRAL ILLINOI0S UNTIL 7 PM CDT. PERSONS ARE ADVISED TO BE
ALERT OF THESE STORMS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY
IF THREATENING WEATHER OCCURRS.

HILLIARD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 1:08 PM CDTSevere Thunderstorm WarningILXMacon52 min
Jul 9, 1:33 PM CDTSevere Thunderstorm WarningILXPiatt57 min
Jul 9, 2:04 PM CDTSevere Thunderstorm WarningILXColes, Douglas41 min
Jul 9, 2:48 PM CDTSevere Thunderstorm WarningILXClark57 min
Jul 9, 5:51 PM CDTTornado WarningILXCass, Morgan39 min
Jul 9, 6:26 PM CDTTornado WarningILXMenard, Sangamon34 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.