Alert archive / Illinois / Tornado Warnings in 2004

Tornado Warning 93, NWS Lincoln, IL

August 18, 2004Moultrie County, Illinois

NWS Lincoln, IL issued this tornado warning at Aug 18, 2004, 5:12 PM CDT for Moultrie County, Illinois. It was in force for 33 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: Aug 18, 2004, 5:12 PM CDT (22:12 UTC)
Expired: Aug 18, 2004, 5:45 PM CDT
In force: 33 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Moultrie County, IL

The radar

The Lincoln radar (KILX), 85 km from the middle of the area, began a volume at 22:11 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, 10.2 hours before the alert went out and 57 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: 648 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 738 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 50 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 182212
TORILX
ILC139-182245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
512 PM CDT WED AUG 18 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 545 PM CDT

* AT 512 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
  ROTATION OVER LOVINGTON...OR ABOUT 6 MILES NORTHWEST OF SULLIVAN...
  MOVING EAST AT 25 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...
  CADWELL
  ARTHUR

ANOTHER LOCATION IN THIS WARNING IS...SULLIVAN.

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 8864 3959 8868 3961 8874 3977 8868
      3975 8849 3974 8847 3955 8848 3955 8850

$$

BAK

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 17, 8:07 PM CDT	Severe Thunderstorm Warning	ILX	Menard	53 min
Aug 17, 9:16 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	59 min
Aug 17, 9:21 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	54 min
Aug 17, 9:51 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Woodford	54 min
Aug 18, 4:55 PM CDT	Severe Thunderstorm Warning	ILX	Moultrie	35 min
Aug 18, 5:19 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas	56 min
Aug 18, 5:47 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Edgar	58 min
Aug 18, 6:14 PM CDT	Severe Thunderstorm Warning	ILX	Coles	61 min
Aug 18, 6:22 PM CDT	Severe Thunderstorm Warning	ILX	Knox	53 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.