Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 92, NWS Lincoln, IL

August 3, 2003Logan County, Illinois

NWS Lincoln, IL issued this tornado warning at Aug 3, 2003, 7:47 PM CDT for Logan County, Illinois. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 3, 2003, 7:47 PM CDT (00:47 UTC)
Expired
Aug 3, 2003, 8:30 PM CDT
In force
43 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Logan County, IL

The radar

The Lincoln radar (KILX), 9 km from the middle of the area, began a volume at 00:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.8 hours before the alert went out and 72 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, Lincoln, IL at 00:00Z on 2003-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 657 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2003-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
657 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1415 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

829 
WFUS53 KILX 040047
TORILX
ILC107-040130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
746 PM CDT SUN AUG 3 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  LOGAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 830 PM CDT

* AT 746 PM CDT...SPOTTERS REPORTED A TORNADO OVER HARTSBURG...OR
  ABOUT 6 MILES WEST OF LINCOLN...MOVING EAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  LINCOLN
  MOUNT PULASKI
  BEASON

OTHER LOCATIONS IN THIS WARNING INCLUDE...BROADWELL...ELKHART...
EMDEN...LINCOLN AND LAWNDALE.

IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT OR
INTERIOR ROOM ON THE LOWEST FLOOR. VEHICLES AND MOBILE HOMES SHOULD
BE ABANDONED FOR A SAFER SHELTER.

REPORT SEVERE WEATHER OR ANY STORM DAMAGE TO YOUR LOCAL ESDA...OR THE
NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER
SERVICE. STAY TUNED FOR LATER STATEMENTS.

LAT...LON 4032 8959 4001 8957 3996 8928 4024 8918

$$

EH

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 7:01 PM CDTSevere Thunderstorm WarningILXTazewell59 min
Aug 3, 7:22 PM CDTSevere Thunderstorm WarningILXLogan68 min
Aug 3, 7:46 PM CDTTornado WarningILXLogan44 min
Aug 3, 7:48 PM CDTSevere Thunderstorm WarningILXMason42 min
Aug 3, 8:05 PM CDTTornado WarningILXMason40 min
Aug 3, 8:31 PM CDTSevere Thunderstorm WarningILXDeWitt59 min
Aug 3, 8:33 PM CDTSevere Thunderstorm WarningILXLogan57 min
Aug 3, 9:04 PM CDTSevere Thunderstorm WarningILXMacon56 min
Aug 3, 11:51 PM CDTSevere Thunderstorm WarningILXMorgan54 min
Aug 4, 12:01 AM CDTSevere Thunderstorm WarningILXMorgan44 min
Aug 4, 12:02 AM CDTSevere Thunderstorm WarningILXSangamon58 min

Nearby

Tornado Warnings in Illinois, 2003Every tornado warning in 2003Tornadoes in 2003

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; radar from the NEXRAD Level II archive.