Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 73, NWS Lincoln, IL

July 8, 2003Knox County, Illinois

NWS Lincoln, IL issued this tornado warning at Jul 8, 2003, 2:35 PM CDT for Knox County, Illinois. It was in force for 55 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 8, 2003, 2:35 PM CDT (19:35 UTC)
Expired: Jul 8, 2003, 3:30 PM CDT
In force: 55 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), 86 km from the middle of the area, began a volume at 19:35 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 8, 9:50 AM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 8, 1:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 7.6 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: 823 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 796 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KILX 081935
TORILX
ILC095-082030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
235 PM CDT TUE JUL 8 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 330 PM CDT

* AT 235 PM CDT...RADAR INDICATED A DEVELOPING TORNADO OVER DELONG...
  OR ABOUT 9 MILES SOUTHEAST OF GALESBURG...MOVING NORTHEAST AT 40
  MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  DAHINDA
  WILLIAMSFIELD
  VICTORIA

OTHER LOCATIONS IN THIS WARNING INCLUDE...KNOXVILLE...MAQUON AND
GILSON.

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 4085 9042 4073 9025 4083 8999 4116 9003

$$

BARKER

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 8:36 PM CDT	Severe Thunderstorm Warning	ILX	Stark	54 min
Jul 8, 12:51 PM CDT	Severe Thunderstorm Warning	ILX	Stark	54 min
Jul 8, 12:59 PM CDT	Tornado Warning	ILX	Stark	46 min
Jul 8, 1:15 PM CDT	Tornado Warning	ILX	Marshall	60 min
Jul 8, 2:06 PM CDT	Severe Thunderstorm Warning	ILX	Knox	54 min
Jul 8, 2:45 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	60 min
Jul 8, 2:51 PM CDT	Severe Thunderstorm Warning	ILX	Peoria, Stark	54 min
Jul 8, 3:16 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	59 min
Jul 8, 3:35 PM CDT	Tornado Warning	ILX	Tazewell	25 min
Jul 8, 3:45 PM CDT	Tornado Warning	ILX	McLean	60 min
Jul 8, 3:49 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason	56 min
Jul 8, 4:02 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	43 min
Jul 8, 4:23 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt	67 min
Jul 8, 4:40 PM CDT	Severe Thunderstorm Warning	ILX	McLean	65 min

Nearby

Tornado Warnings in Illinois, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.