Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 82, NWS Lincoln, IL

July 12, 1992Hancock County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 12, 1992, 10:28 PM CDT for Hancock County, Illinois. It was in force for 32 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
Jul 12, 1992, 10:28 PM CDT (03:28 UTC)
Expired
Jul 12, 1992, 11:00 PM CDT
In force
32 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Hancock County, IL

What was reported inside it

TimeReportWhereRemark
Jul 12, 10:45 PM CDTHail 0.75Hancock, 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 00:00Z, 3.5 hours before the alert went out and 413 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 00:00Z on 1992-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3062 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1992-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
3062 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1266 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
202 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 KPIA 130328
SVRPIA
ILC067-130400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE PEORIA IL
1028 PM CDT SUN JUL 12 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE WEST CENTRAL PART OF ILLINOIS
      SOUTHEAST HANCOCK

AT 1020 PM CDT...RADAR INDICATED A STRONG THUNDERSTORM MOVING EAST
ALONG THE ADAMS COUNTY AND HANCOCK COUNTY LINE. A FEW REPORTS OF
FUNNEL CLOUDS WERE ASSOCIATED WITH THIS STORM.   THE STORM WAS
MOVING TO THE EAST 30 MILES AN HOUR.

TOWNS IN THE PATH OF THIS STORM INCLUDE STILLWELL...BOWEN AND
AUGUSTA.

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 LIGHTNING.

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

ATTN ISP 14

NELSON

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 12, 6:21 PM CDT, 4 hours 7 minutes before
ILZ009-130130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
6 15 PM CDT SUN JUL 12 1992

...A FEW STRONG THUNDERSTORMS OVER CENTRAL ILLINOIS...

AT 615 PM...WEATHER RADAR INDICATED THUNDERSTORMS...SOME WITH HEAVY
RAIN OCCURING OVER CENTRAL ILLINOIS.  THE AREA OF SHOWERS WAS NORTH
OF A LINE FROM 50 MILES WEST OF SPRINGFIELD NEAR MEREDOSIA...TO 20
MILES NORTH OF DECATUR NEAR CLINTON.  THE STRONGEST STORMS WERE 25
MILES NORTHWEST OF SPRINGFIELD NEAR OAKFORD...AND 22 MILES NORTHEAST
OF SPRINGFIELD NEAR BROADWELL.  THE STORMS WERE MOVING EAST AT 35 MPH.

SOME OF THE STRONGER STORMS MAY PRODUCE BRIEF HEAVY RAIN...DANGEROUS
LIGHTNING AND GUSTY WINDS.  NO SEVERE WEATHER HAD BEEN REPORTED ACROSS
CENTRAL ILLINOIS TO THE NATIONAL WEATHER SERVICE THROUGH 615 PM.

THE STRONGEST THUNDERSTORMS WILL CONTINUE MOVING ACROSS NORTHERN MENARD
AND LOGAN COUNTIES THROUGH 7 30 PM...AFFECTING THE COMMUNITIES OF
NEW HOLLAND...MIDDLETOWN...LINCOLN...CHESTNUT AND BROADWELL.

DB
Special weather statement, Jul 12, 7:19 PM CDT, 3 hours 9 minutes before
ILZ009-130130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
7 15 PM CDT SUN JUL 12 1992

...A FEW STRONG THUNDERSTORMS OVER CENTRAL ILLINOIS...

AT 710 PM...AN AREA OF SHOWERS AND THUNDERSTORMS WAS OVER CENTRAL
ILLINOIS NORTH OF A LINE FROM MEREDOSIA TO SPRINGFIELD TO DECATUR TO
10 MILES NORTHWEST OF CHAMPAIGN.  THE STRONGEST STORMS WERE 30 MILES
NORTHEAST OF SPRINGFIELD NEAR LINCOLN...AND 20 MILES NORTHWEST OF
SPRINGFIELD NEAR PETERSBURG.  THE STORMS WERE MOVING EAST AT 25 MPH.

AT 625 PM...PEA SIZE HAIL...HEAVY RAIN AND 40 MPH WINDS WERE REPORTED
AT LINCOLN.  AREAS WHERE THUNDERSTORMS HAVE PASSED HAVE REPORTED
DANGEROUS LIGHTNING...BRIEF HEAVY RAIN AND GUSTY WINDS.

THE STRONGER STORMS WILL CONTINUE MOVING ACROSS CASS...MENARD...LOGAN
...DEWITT...MACON...AND NORTHERN SANGAMON COUNTIES THROUGH 830 PM.
THIS WILL AFFECT THE COMMUNITIES OF CHANDLERVILLE...PETERSBURG...ATHENS
...ELKHART...CLINTON...DECATUR...AND WILLIAMSVILLE.

PERSONS IN THE AFFECTED AREAS SHOULD PREPARE FOR BRIEF HEAVY RAIN...
DANGEROUS LIGHTNING...SMALL HAIL AND WINDS TO 50 MPH.

DB
Special weather statement, Jul 12, 8:10 PM CDT, 2 hours 18 minutes before
ILZ009-130210-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
8 05 PM CDT SUN JUL 12 1992

...STRONG THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS...

AT 805 PM...AN AREA OF THUNDERSTORMS CONTINUED IN CENTRAL ILLINOIS
NORTH OF A LINE FROM DANVILLE TO CHAMPAIGN TO SPRINGFIELD TO QUINCY.

THE STRONGEST STORMS WERE FROM 20 MILES NORTHWEST TO 20 MILES NORTHEAST
OF SPRINGFIELD...FROM ASHLAND TO ELKHART...IN THE CLINTON AREA 20
MILES NORTH OF DECATUR...AND JUST WEST OF CHAMPAIGN.  THE STORMS WERE
MOVING EAST AT 35 MPH.

THE STRONGER STORMS WILL CONTINUE TO AFFECT THE FOLLOWING COMMUNITIES
THROUGH 915 PM...ATHENS...WILLIAMSVILLE...ELKHART...CLINTON...CHAMPAIGN
...AND URBANA.
x
PERSONS IN THE LISTED AREAS SHOULD PREPARE FOR DANGEROUS LIGHTNING...
BRIEF HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS TO 50 MPH.

DB
Special weather statement, Jul 12, 8:12 PM CDT, 2 hours 16 minutes before
ILZ009-010-130210-

SPECIAL WEATHER STATEMENT   ...CORRECTION FOR CODING...TEXT UNCHANGED
NATIONAL WEATHER SERVICE SPRINGFIELD IL
8 05 PM CDT SUN JUL 12 1992

...STRONG THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS...

AT 805 PM...AN AREA OF THUNDERSTORMS CONTINUED IN CENTRAL ILLINOIS
NORTH OF A LINE FROM DANVILLE TO CHAMPAIGN TO SPRINGFIELD TO QUINCY.

THE STRONGEST STORMS WERE FROM 20 MILES NORTHWEST TO 20 MILES NORTHEAST
OF SPRINGFIELD...FROM ASHLAND TO ELKHART...IN THE CLINTON AREA 20
MILES NORTH OF DECATUR...AND JUST WEST OF CHAMPAIGN.  THE STORMS WERE
MOVING EAST AT 35 MPH.

THE STRONGER STORMS WILL CONTINUE TO AFFECT THE FOLLOWING COMMUNITIES
THROUGH 915 PM...ATHENS...WILLIAMSVILLE...ELKHART...CLINTON...CHAMPAIGN
...AND URBANA.

PERSONS IN THE LISTED AREAS SHOULD PREPARE FOR DANGEROUS LIGHTNING...
BRIEF HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS TO 50 MPH.

DB
Special weather statement, Jul 12, 9:06 PM CDT, 1 hour 22 minutes before
ILZ009-010-130310-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
9 05 PM CDT SUN JUL 12 1992

...THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS...

AT 905 PM...AN AREA OF SCATTERED THUNDERSTORMS CONTINUED IN CENTRAL
ILLINOIS NORTH OF A LINE FROM CHAMPAIGN TO SPRINGFIELD.

THE STRONGEST STORM WAS JUST NORTHEAST OF SPRINGFIELD IN THE SHERMAN...
BUFFALO HART AREA.  THE STORMS ARE MOVING EAST AT 30 MPH.

THUNDERSTORMS WILL CONTINUE TO AFFECT PORTIONS OF CENTRAL ILLINOIS
OVERNIGHT.  THE GREATEST DANGER FROM THE STORMS UP UNTIL NOW HAS BEEN
THE DANGEROUS LIGHTNING.

PERSONS ACROSS CENTRAL AND EAST CENTRAL ILLINOIS SHOULD BE ON THE
ALERT FOR THE SCATTERED THUNDERSTORMS.  BE PREPARED FOR THE DANGEROUS
LIGHTNING...SOME BRIEF HEAVY RAIN...POSSIBLE SMALL HAIL AND GUSTY
WINDS.

DB
Special weather statement, Jul 12, 10:16 PM CDT, 12 minutes before
ILZ009-010-130410-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1015 PM CDT SUN JUL 12 1992

...THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS...

AT 1015 PM...AN AREA OF SCATTERED THUNDERSTORMS CONTINUED IN CENTRAL
ILLINOIS NORTHWEST OF A BLOOMINGTON...SPRINGFIELD LINE.

THE STRONGEST STORM WAS JUST NORTH OF SPRINGFIELD IN THE FANCY PRAIRIE
AREA.  THE STORMS ARE MOVING EAST AT 30 MPH.

THUNDERSTORMS WILL CONTINUE TO AFFECT PORTIONS OF CENTRAL ILLINOIS
OVERNIGHT.

PERSONS ACROSS CENTRAL AND EAST CENTRAL ILLINOIS SHOULD BE ON THE
ALERT FOR SCATTERED THUNDERSTORMS.  BE PREPARED FOR DANGEROUS
LIGHTNING...BRIEF HEAVY RAIN...POSSIBLE SMALL HAIL AND GUSTY
WINDS.

DB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 5:15 PM CDTSevere Thunderstorm WarningILXOgle, Winnebago30 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.