Alert archive / Illinois / Tornado Warnings in 2004

Tornado Warning 8, NWS Lincoln, IL

May 7, 2004Stark County, Illinois

NWS Lincoln, IL issued this tornado warning at May 7, 2004, 5:22 AM CDT for Stark County, Illinois. It was in force for 53 min. 3 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 7, 2004, 5:22 AM CDT (10:22 UTC)
Expired: May 7, 2004, 6:15 AM CDT
In force: 53 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Stark County, IL

The radar

The Quad Cities radar (KDVN), 89 km from the middle of the area, began a volume at 10:32 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.

What was reported inside it

Time	Report	Where	Remark
May 7, 5:30 AM CDT	TSTM WND GST 60	Wyoming, IL	ESTIMATED 60 TO 70 MPH WINDS FROM STARK COUNTY SHERIFF.
May 7, 5:30 AM CDT	TSTM WND GST 60	Wyoming, IL	ESTIMATED 60 TO 70 MPH WINDS FROM STARK COUNTY SHERIFF.
May 7, 5:30 AM CDT	TSTM WND GST 60	Wyoming, IL	ESTIMATED 60 TO 70 MPH WINDS FROM STARK COUNTY SHERIFF.

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 7, 5:00 AM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 10.4 hours before the alert went out and 85 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: 2446 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 1583 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 9.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KILX 071022
TORILX
ILC175-071115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
523 AM CDT FRI MAY 7 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  STARK COUNTY IN NORTH CENTRAL ILLINOIS

* UNTIL 615 AM CDT

* AT 523 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
  ROTATION OVER WYOMING...OR ABOUT 15 MILES SOUTH OF KEWANEE...MOVING
  EAST AT 30 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

OTHER LOCATIONS IN THIS WARNING INCLUDE...TOULON...WEST JERSEY...
CASTLETON AND DUNCAN.

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.

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO
SEE. DO NOT REMAIN IN YOUR CAR OR MOBILE HOME. INSTEAD...TAKE COVER
IN A REINFORCED BUILDING. GO TO A BASEMENT OR INTERIOR ROOM ON THE
LOWEST FLOOR.

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 4114 8968 4110 8966 4099 8966 4099 8993
          4107 8992 4115 8988

$$

EH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 4:53 AM CDT	Severe Thunderstorm Warning	ILX	Knox	67 min
May 7, 5:04 AM CDT	Severe Thunderstorm Warning	ILX	Stark	56 min
May 7, 5:15 AM CDT	Severe Thunderstorm Warning	ILX	Marshall, Peoria	60 min
May 7, 5:36 AM CDT	Tornado Warning	ILX	Marshall	39 min
May 7, 6:05 AM CDT	Severe Thunderstorm Warning	ILX	Woodford	55 min
May 7, 6:10 AM CDT	Severe Thunderstorm Warning	ILX	Knox	65 min
May 7, 6:15 AM CDT	Severe Thunderstorm Warning	ILX	Marshall	60 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; radar from the NEXRAD Level II archive.