Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 68, NWS Lincoln, IL

June 11, 20034 counties in Illinois

NWS Lincoln, IL issued this tornado warning at Jun 11, 2003, 7:18 PM CDT for 4 counties in Illinois. It was in force for 57 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
Jun 11, 2003, 7:18 PM CDT (00:18 UTC)
Expired
Jun 11, 2003, 8:15 PM CDT
In force
57 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

Counties Christian County, IL, Macon County, IL, Piatt County, IL, Sangamon County, IL

The radar

The Lincoln radar (KILX), 38 km from the middle of the area, began a volume at 00:03 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, 0.3 hours before the alert went out and 73 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 2003-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 467 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 2003-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939Sfc1 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
467 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1056 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
26 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 
WFUS53 KILX 120018
TORILX
ILC021-115-147-167-120115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
717 PM CDT WED JUN 11 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  PIATT COUNTY IN CENTRAL ILLINOIS
  MACON COUNTY IN CENTRAL ILLINOIS
  SANGAMON COUNTY IN CENTRAL ILLINOIS
  CHRISTIAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 815 PM CDT

* AT 717 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES 6 MILES SOUTHWEST OF 
  SPRINGFIELD TO JUST SOUTH OF CORNLAND...MOVING EAST AT 15 MPH.

* THE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO IS EXPECTED TO BE NEAR...
  SPRINGFIELD
  ROCHESTER
  BERRY
  ROBY
  DAWSON
  BUFFALO
  MECHANICSBURG
  ILLIOPOLIS

OTHER LOCATIONS IN THIS WARNING INCLUDE...ARGENTA...BEMENT...CERRO
GORDO...CHATHAM...CISCO...DECATUR...FORSYTH...HARRISTOWN...
MONTICELLO...MOUNT AUBURN...NIANTIC...OREANA...WARRENSBURG AND
OAKLEY.

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 3975 8991 3962 8975 3988 8854 4006 8858

$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:01 PM CDTFlash Flood WarningILXLogan, Macon, Sangamon6 hr
Jun 11, 7:04 PM CDTFlash Flood WarningILXChampaign, Vermilion6 hr
Jun 11, 7:32 PM CDTTornado WarningILXChampaign, Vermilion58 min
Jun 11, 7:56 PM CDTFlash Flood WarningILXDeWitt, Piatt6 hr
Jun 11, 9:40 PM CDTFlash Flood WarningILXChristian6 hr
Jun 12, 12:57 AM CDTFlash Flood WarningILXChampaign, Vermilion3 hr

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.