Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 59, NWS Lincoln, IL

July 2, 1992Sangamon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 2, 1992, 3:52 PM CDT for Sangamon County, Illinois. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jul 2, 1992, 3:52 PM CDT (20:52 UTC)
Expired
Jul 2, 1992, 4:45 PM CDT
In force
53 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Sangamon County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 8.9 hours before the alert went out and 310 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 1992-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1159 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1992-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939Sfc1 km3 km6 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
1159 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSPI 022052
SVRSPI
ILC167-022145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD IL
352 PM CDT THU JUL 2 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE CENTRAL PART OF ILLINOIS
      SANGAMON

AT 345 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES WEST
NORTHWEST OF SPRINGFIELD.  THE STORM WAS MOVING EAST AT 25 MPH.

CITIES AND TOWNS IN AND NEAR THE PATH OF THIS STORM ARE PLEASANT
PLAINS...SALSBURY...BRADFORDTON...NEW BERLIN...CANTRALL...
SPRINGFIELD...SHERMAN...WILLIAMSVILLE...CHATHAM...RIVERTON AND
ILLIOPOLIS.

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.

 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, Jul 2, 10:55 AM CDT, 4 hours 57 minutes before
ILZ006-021630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1045 AM CDT THU JUL 2 1992

...THUNDERSTORMS WEAKENING TO MAINLY SHOWERS EAST OF PEORIA...

AT 1040 AM... THE LINE OF THUNDERSTORMS THAT MOVED ACROSS PEORIA COUNTY HAD
DISSIPATED TO MAINLY SHOWERS IN WOODFORD AND TAZEWELL COUNTIES. THESE
SHOWERS WERE MOVING EAST AT 25 TO 30 MPH. THIS WAS THE ONLY ACTIVITY OCCURRING
ACROSS WEST CENTRAL ILLINOIS.

EXPECT THE SHOWERS TO CONTINUE TO DISSIPATE AS THEY MOVE INTO MCLEAN COUNTY.
MORE THUNDERSTORMS ARE EXPECTED TO ENTER WEST CENTRAL ILLINOIS THIS AFTERNOON.
CONDITIONS ARE FAVORABLE FOR SEVERE STORMS TO DEVELOP.

MOGGED
Special weather statement, Jul 2, 11:47 AM CDT, 4 hours 5 minutes before
ILZ006-021730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1140 AM CDT THU JUL 2 1992

...TORNADO WATCH IN EFFECT FOR MOST OF WEST CENTRAL ILLINOIS UNTIL 5 PM...

AT 11:35 AM... NO THUNDERSTORMS WERE OCCURRING ACROSS WEST CENTRAL ILLINOIS...
HOWEVER A LINE OF THUNDERSTORMS... SOME SEVERE... EXTENDED FROM THE SOUTHEAST
CORNER OF IOWA... ABOUT 35 MILES WEST OF BURLINGTON... TO THE NORTHEAST
CORNER OF MISSOURI... ABOUT 40 MILES WEST OF QUINCY. THESE STORMS WERE MOVING
EAST AT 35 TO 40 MPH.

THESE STORMS WILL ENTER THE FAR WESTERN PORTIONS OF THE HEARTLAND... AFFFECTING
HENDERSON AND HANCOCK COUNTIES BY 12:30 PM.

THESE STORMS ARE CAPABLE OF PRODUCING TORNADOES... LARGE HAIL... DEADLY
LIGHTNING AND DAMAGING WINDS.

STAY TUNED TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO,AND TV STATIONS FOR
FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.

MOGGED
Special weather statement, Jul 2, 12:59 PM CDT, 2 hours 53 minutes before
ILZ009-010-021800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1255 PM CDT THU JUL 2 1992

...TORNADO WATCH IN EFFECT UNTIL 5 PM CDT FOR CENTRAL ILLINOIS...

AT 12 50 PM CDT...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM
GALESGBURG TO NORTHWEST OF MACOMB TO 40 MILES SOUTHWEST OF QUINCY IN
WEST CENTRAL ILLINOIS.  THE LINE OF STORMS WAS MOVING EAST AT 40 MPH.

THUNDERSTORMS MAY MOVE INTO CENTRAL ILLINOIS BY AROUND 2 PM AND INTO
EAST CENTRAL ILLINOIS BY AROUND 4 PM.

IT WILL BE HOT AND VERY HUMID THIS AFTERNOON WITH HIGHS IN THE LOWER
90S WITH SOUTHERLY BREEZES OF 10 TO 20 MPH.

PALMER
Special weather statement, Jul 2, 1:49 PM CDT, 2 hours 3 minutes before
ILZ009-010-022000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1 48 PM CDT THU JUL 2 1992

...TORNADO WATCH IN EFFECT UNTIL 5 PM CDT FOR CENTRAL ILLINOIS...

AT 1 45 PM CDT...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM BETWEEN
BURLINGTON IOWA AND MALCOMB ILLINOIS TO QUINCY AND ON TO THE SOUTHWEST.
THE LINE OF STORMS WAS MOVING EAST AT 40 MPH.

THUNDERSTORMS MAY MOVE INTO CENTRAL ILLINOIS BY AROUND 3 PM AND INTO
EAST CENTRAL ILLINOIS BY AROUND 5 PM.

IT WILL BE HOT AND VERY HUMID THIS AFTERNOON WITH HIGHS IN THE LOWER
90S WITH SOUTHERLY BREEZES OF 10 TO 20 MPH.

PALMER
Special weather statement, Jul 2, 2:57 PM CDT, 55 minutes before
ILZ009-010-022100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
2 55 PM CDT THU JUL 2 1992

...TORNADO WATCH IN EFFECT UNTIL 10 PM CDT FOR CENTRAL AND PORTIONS
   OF EAST CENTRAL ILLINOIS...

AT 2 55 PM CDT...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM BLOOMINGTON
TO 25 MILES NORTH OF SPRINGFIELD TO 55 MILES WEST OF SPRINGFIELD NEAR
MT STERLING. THE LINE OF STORMS WAS MOVING EAST AT 40 MPH.

THUNDERSTORMS HAVE STARTED TO MOVE INTO CENTRAL ILLINOIS...AND WILL MOVE
INTO EAST CENTRAL ILLINOIS BY AROUND 5 PM.

IT WILL BE HOT AND VERY HUMID THIS AFTERNOON WITH HIGHS IN THE LOWER
90S WITH SOUTHERLY BREEZES OF 10 TO 20 MPH.

DB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 12:40 PM CDTSevere Thunderstorm WarningILXCarroll35 min
Jul 2, 12:41 PM CDTSevere Thunderstorm WarningILXHenderson, Warren49 min
Jul 2, 1:02 PM CDTSevere Thunderstorm WarningILXOgle, Stephenson28 min
Jul 2, 1:18 PM CDTSevere Thunderstorm WarningILXHancock42 min
Jul 2, 1:55 PM CDTSevere Thunderstorm WarningILXPeoria, Tazewell, Woodford50 min
Jul 2, 2:03 PM CDTSevere Thunderstorm WarningILXBoone, DeKalb17 min
Jul 2, 2:23 PM CDTTornado WarningILXMcDonough32 min
Jul 2, 2:23 PM CDTTornado WarningILXSchuyler37 min
Jul 2, 2:38 PM CDTSevere Thunderstorm WarningILXMcLean67 min
Jul 2, 2:57 PM CDTSevere Thunderstorm WarningILXFulton, Mason, Schuyler48 min
Jul 2, 3:24 PM CDTSevere Thunderstorm WarningILXCass, Menard51 min
Jul 2, 3:24 PM CDTSevere Thunderstorm WarningILXLogan51 min
Jul 2, 4:07 PM CDTSevere Thunderstorm WarningILXMcDonough48 min
Jul 2, 4:07 PM CDTSevere Thunderstorm WarningILXFulton, Schuyler68 min
Jul 2, 4:30 PM CDTSevere Thunderstorm WarningILXDeWitt, Macon45 min
Jul 2, 4:44 PM CDTSevere Thunderstorm WarningILXMason46 min
Jul 2, 4:56 PM CDTSevere Thunderstorm WarningILXCass, Morgan49 min
Jul 2, 5:21 PM CDTSevere Thunderstorm WarningILXDouglas, Moultrie, Piatt54 min
Jul 2, 5:21 PM CDTSevere Thunderstorm WarningILXChampaign54 min
Jul 2, 5:45 PM CDTSevere Thunderstorm WarningILXMacoupin45 min
Jul 2, 6:52 PM CDTSevere Thunderstorm WarningILXMacoupin, Montgomery68 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; the sounding from the Mesonet's radiosonde archive.