Alert archive / Illinois / Tornado Warnings in 2004

Tornado Warning 72, NWS Lincoln, IL

July 5, 2004Knox County, Illinois

NWS Lincoln, IL issued this tornado warning at Jul 5, 2004, 9:29 PM CDT for Knox County, Illinois. It was in force for 61 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: Jul 5, 2004, 9:29 PM CDT (02:29 UTC)
Expired: Jul 5, 2004, 10:30 PM CDT
In force: 61 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Knox County, IL

The radar

The Quad Cities radar (KDVN), 95 km from the middle of the area, began a volume at 02:30 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
Jul 5, 4:20 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.5 hours before the alert went out and 94 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: 1346 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1014 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KILX 060229
TORILX
ILC095-060330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
929 PM CDT MON JUL 5 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 1030 PM CDT

* AT 929 PM CDT...RADAR INDICATED A DEVELOPING TORNADO 6 MILES
  SOUTHEAST OF ABINGDON...MOVING EAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  GILSON
  MAQUON
  YATES CITY

ANOTHER LOCATION IN THIS WARNING IS...DELONG.

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 4082 9041 4072 9041 4072 9000 4091 9002

$$

GOETSCH

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 8:24 PM CDT	Severe Thunderstorm Warning	ILX	Knox	66 min
Jul 5, 9:07 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	68 min
Jul 5, 9:25 PM CDT	Tornado Warning	ILX	Fulton	65 min
Jul 5, 9:58 PM CDT	Severe Thunderstorm Warning	ILX	Clay	62 min
Jul 5, 10:05 PM CDT	Tornado Warning	ILX	Peoria	55 min
Jul 5, 10:24 PM CDT	Tornado Warning	ILX	Peoria	66 min
Jul 5, 10:32 PM CDT	Tornado Warning	ILX	Tazewell, Woodford	58 min
Jul 5, 10:34 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	41 min
Jul 6, 6:00 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Edgar	60 min
Jul 6, 6:28 PM CDT	Severe Thunderstorm Warning	ILX	Macon	62 min
Jul 6, 6:58 PM CDT	Severe Thunderstorm Warning	ILX	Moultrie, Piatt	62 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.