Alert archive / Illinois / Tornado Warnings in 2004

Tornado Warning 55, NWS Lincoln, IL

May 30, 2004Clay County, Illinois

NWS Lincoln, IL issued this tornado warning at May 30, 2004, 7:08 PM CDT for Clay County, Illinois. It was in force for 52 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 30, 2004, 7:08 PM CDT (00:08 UTC)
Expired: May 30, 2004, 8:00 PM CDT
In force: 52 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Clay County, IL

What was reported inside it

Time	Report	Where	Remark
May 30, 7:30 PM CDT	TSTM WND GST 60	Louisville, IL	8 INCH DIAMETER TREE LIMBS DOWN. REPORTED BY SWOP OBSERVER.
May 30, 7:30 PM CDT	TSTM WND GST 60	Louisville, IL	8 INCH DIAMETER TREE LIMBS DOWN. REPORTED BY SWOP OBSERVER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 30, 6:40 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.1 hours before the alert went out and 150 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: 7 J/kg
Mixed-layer CIN: -270 J/kg
Mixed-layer LCL: 845 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -89 m²/s²
0-3 km storm-relative helicity: -31 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 310008
TORILX
ILC025-310100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
706 PM CDT SUN MAY 30 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  CLAY COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 800 PM CDT

* AT 706 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH
  STRONG ROTATION 10 MILES WEST OF OSKALOOSA ...MOVING NORTHEAST AT
  50 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...
  OSKALOOSA
  XENIA
  HORD
  CLAY CITY
  BIBLE GROVE
  SAILOR SPRINGS

OTHER LOCATIONS IN THIS WARNING INCLUDE...FLORA...IOLA AND
LOUISVILLE.

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 3891 8871 3863 8870 3861 8828 3882 8836
          3891 8840

$$

BYRD

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 7:12 PM CDT	Flash Flood Warning	ILX	Clay, Crawford, Richland	6 hr
May 30, 7:19 PM CDT	Flash Flood Warning	ILX	Jasper, Lawrence	6 hr
May 30, 7:21 PM CDT	Flash Flood Warning	ILX	Champaign, Vermilion	6 hr
May 30, 7:24 PM CDT	Tornado Warning	ILX	Vermilion	66 min
May 30, 7:28 PM CDT	Tornado Warning	ILX	Jasper, Richland	62 min
May 30, 7:37 PM CDT	Tornado Warning	ILX	Crawford, Lawrence	53 min
May 30, 11:23 PM CDT	Flash Flood Warning	ILX	Effingham	4 hr
May 31, 6:30 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	60 min
May 31, 6:53 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	52 min
May 31, 6:59 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.