Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 66, NWS Lincoln, IL

June 11, 2003Champaign County, Vermilion County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 11, 2003, 6:29 PM CDT for Champaign County, Vermilion County, Illinois. It was in force for 61 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, 6:29 PM CDT (23:29 UTC)
Expired
Jun 11, 2003, 7:30 PM CDT
In force
61 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

Counties Champaign County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 101 km from the middle of the area, began a volume at 23:30 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 12:00Z, 11.5 hours before the alert went out and 38 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 12:00Z on 2003-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 589 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 12:00Z on 2003-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
589 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
13 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 112329
TORILX
ILC019-183-120030-

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  VERMILION COUNTY IN EAST CENTRAL ILLINOIS
  CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS

* UNTIL 730 PM CDT

* AT 628 PM CDT...NATIOINAL WEATHER SERVICE RADAR INDICATED A 
DEVELOPING TORNADO ABOUT 3 MILES WEST OF CHAMPAIGN...MOVING 
EAST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  CHAMPAIGN
  URBANA
  SIDNEY
  ST. JOSEPH
  THOMASBORO
  OGDEN
  ROYAL
  GIFFORD


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 4013 8847 3993 8834 3998 8766 4047 8782

$$

SMITH
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:19 PM CDTSevere Thunderstorm WarningILXClay41 min
Jun 10, 7:30 PM CDTFlash Flood WarningILXCrawford6 hr
Jun 11, 6:19 PM CDTTornado WarningILXSangamon56 min
Jun 11, 6:23 PM CDTTornado WarningILXDeWitt, Logan, Macon, Piatt52 min
Jun 11, 6:48 PM CDTTornado WarningILXMorgan57 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.