Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 64, NWS Lincoln, IL

June 11, 2003Sangamon County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 11, 2003, 6:19 PM CDT for Sangamon County, Illinois. It was in force for 56 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, 6:19 PM CDT (23:19 UTC)
Expired: Jun 11, 2003, 7:15 PM CDT
In force: 56 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Sangamon County, IL

The radar

The Lincoln radar (KILX), 61 km from the middle of the area, began a volume at 23:20 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, 11.3 hours before the alert went out and 110 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 112319
TORILX
ILC167-120015-

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 715 PM CDT

* AT 618 PM CDT...SPOTTERS REPORTED A TORNADO SPRINGFIELD...AT 5TH 
AND BROWNING OR ABOUT 3 MILES NORTHEAST OF SPRINGFIELD...MOVING 
NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RIVERTON
  DAWSON
  MECHANICSBURG
  BUFFALO
  SPRINGFIELD

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 3959 8994 3960 8962 3986 8932 3987 8995

$$

SMITH
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 7:19 PM CDT	Severe Thunderstorm Warning	ILX	Clay	41 min
Jun 10, 7:30 PM CDT	Flash Flood Warning	ILX	Crawford	6 hr
Jun 11, 6:23 PM CDT	Tornado Warning	ILX	DeWitt, Logan, Macon, Piatt	52 min
Jun 11, 6:29 PM CDT	Tornado Warning	ILX	Champaign, Vermilion	61 min
Jun 11, 6:48 PM CDT	Tornado Warning	ILX	Morgan	57 min

Nearby

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