Alert archive / Illinois / Tornado Warnings in 2004

Tornado Warning 64, NWS Lincoln, IL

June 10, 2004McLean County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 10, 2004, 4:17 PM CDT for McLean County, Illinois. It was in force for 58 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 10, 2004, 4:17 PM CDT (21:17 UTC)
Expired: Jun 10, 2004, 5:15 PM CDT
In force: 58 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County McLean County, IL

The radar

The Lincoln radar (KILX), 48 km from the middle of the area, began a volume at 21:21 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
Jun 10, 3:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.3 hours before the alert went out and 35 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: 200 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 794 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 255 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

239 
WFUS53 KILX 102117
TORILX
ILC113-102215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
417 PM CDT THU JUN 10 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 515 PM CDT

* AT 417 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
  ROTATION OVER HEYWORTH...OR ABOUT 11 MILES SOUTH OF BLOOMINGTON...
  MOVING NORTHEAST AT 15 MPH. THIS STORM COULD PRODUCE A TORNADO AT
  ANY TIME. IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND
  DAMAGING WINDS CAN BE EXPECTED WITH THIS STORM. GO TO A SAFE PLACE
  NOW

* THE TORNADO IS EXPECTED TO BE NEAR...
  DOWNS
  LE ROY
  HOLDER
  ELLSWORTH
  ARROWSMITH
  SAYBROOK
  COLFAX
  ANCHOR

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 4036 8910 4029 8908 4034 8850 4061 8855

$$

KH

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 2:34 PM CDT	Tornado Warning	ILX	Fulton	41 min
Jun 10, 2:59 PM CDT	Tornado Warning	ILX	Champaign, Vermilion	61 min
Jun 10, 3:12 PM CDT	Tornado Warning	ILX	Fulton	48 min
Jun 10, 3:50 PM CDT	Tornado Warning	ILX	Peoria	55 min
Jun 10, 3:57 PM CDT	Tornado Warning	ILX	Champaign, Vermilion	63 min
Jun 10, 4:29 PM CDT	Tornado Warning	ILX	Tazewell	46 min
Jun 10, 5:02 PM CDT	Tornado Warning	ILX	Woodford	58 min
Jun 10, 5:55 PM CDT	Tornado Warning	ILX	McLean, Woodford	65 min
Jun 10, 6:15 PM CDT	Severe Thunderstorm Warning	ILX	Logan	60 min
Jun 10, 6:20 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	55 min
Jun 10, 6:26 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt	64 min
Jun 10, 6:59 PM CDT	Severe Thunderstorm Warning	ILX	McLean	61 min

Nearby

Tornado Warnings in Illinois, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.