Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 4, NWS Lincoln, IL

April 4, 2003Edgar County, Vermilion County, Illinois

NWS Lincoln, IL issued this tornado warning at Apr 4, 2003, 6:44 PM CST for Edgar County, Vermilion County, Illinois. It was in force for 46 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: Apr 4, 2003, 6:44 PM CST (00:44 UTC)
Expired: Apr 4, 2003, 7:30 PM CST
In force: 46 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Edgar County, IL, Vermilion County, IL

The radar

The Indianapolis radar (KIND), 129 km from the middle of the area, began a volume at 00:45 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 4, 2:35 PM CST	Tornado Watch	SPC	5 hr
Apr 4, 6:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.7 hours before the alert went out and 79 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3081 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 91 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.

644 
WFUS53 KILX 050044
TORILX
ILC045-183-050130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
644 PM CST FRI APR 4 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 730 PM CST

* AT 644 PM CST...RADAR INDICATED A DEVELOPING TORNADO OVER HUME...OR
  ABOUT 18 MILES NORTHWEST OF PARIS...MOVING EAST NORTHEAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  CHRISMAN
  RIDGE FARM

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 3988 8793 3971 8796 3966 8754 3994 8755

$$

KH

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 6:06 PM CST	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Edgar, Vermilion	54 min
Apr 4, 6:32 PM CST	Tornado Warning	ILX	Clay, Effingham	43 min
Apr 4, 7:04 PM CST	Tornado Warning	ILX	Jasper, Richland	56 min
Apr 4, 7:12 PM CST	Severe Thunderstorm Warning	ILX	Clay	48 min
Apr 4, 7:31 PM CST	Severe Thunderstorm Warning	ILX	Crawford	59 min
Apr 4, 7:37 PM CST	Severe Thunderstorm Warning	ILX	Lawrence	53 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.