Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 67, NWS Lincoln, IL

June 11, 2003Morgan County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 11, 2003, 6:48 PM CDT for Morgan County, 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, 6:48 PM CDT (23:48 UTC)
Expired: Jun 11, 2003, 7:45 PM CDT
In force: 57 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Morgan County, IL

The radar

The Lincoln radar (KILX), 87 km from the middle of the area, began a volume at 23:50 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 12:00Z, 11.8 hours before the alert went out and 144 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 112348
TORILX
ILC137-120045-

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  MORGAN COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 745 PM CDT

* AT 646 PM CDT...SPOTTERS REPORTED NUMEROUS FUNNEL CLOUDS ACROSS    
  THE COUNTY OVER THE PAST SEVERAL MINUTES. THE STORMS PRODUCING
  THE FUNNEL CLOUDS WERE MOVING SLOWLY TO THE EAST AT 10 MPH.

* THE THUNDERSTORMS PRODUCING THE FUNNEL CLOUDS AND POSSIBLE TORNADO
  WILL BE NEAR...
  SINCLAIR
 
OTHER LOCATIONS IN THIS WARNING INCLUDE...JACKSONVILLE...
MURRAYVILLE...WOODSON...ALEXANDER AND NORTONVILLE.

FUNNEL CLOUDS WITH THIS STORM MAY TOUCH DOWN AT ANY TIME. DO NOT WAIT
FOR THE FUNNEL CLOUD TO TOUCH DOWN.

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 3982 9030 3955 9029 3957 8999 3986 9011

$$

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, 6:19 PM CDT	Tornado Warning	ILX	Sangamon	56 min
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

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.