Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 86, NWS Lincoln, IL

July 21, 2003Marshall County, Stark County, Illinois

NWS Lincoln, IL issued this tornado warning at Jul 21, 2003, 1:36 AM CDT for Marshall County, Stark County, Illinois. It was in force for 54 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 21, 2003, 1:36 AM CDT (06:36 UTC)
Expired
Jul 21, 2003, 2:30 AM CDT
In force
54 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

Counties Marshall County, IL, Stark County, IL

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 6.6 hours before the alert went out and 96 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-pSkew-T log-p diagram, Davenport, at 00:00Z on 2003-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3041 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2003-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
3041 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
1003 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
1.5
Supercell composite
9.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KILX 210636
TORILX
ILC123-175-210730-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
135 AM CDT MON JUL 21 2003

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 230 AM CDT

* AT 135 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
  ROTATION OVER WYOMING...OR ABOUT 13 MILES SOUTHEAST OF KEWANEE...
  MOVING EAST AT 45 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...
  CAMP GROVE
  HOPEWELL
  SPARLAND
  LACON
  HENRY
  LA ROSE

OTHER LOCATIONS IN THIS WARNING INCLUDE...BRADFORD AND CASTLETON.

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 4119 8982 4102 8985 4095 8924 4115 8921

$$

MILLER

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 12:21 AM CDTSevere Thunderstorm WarningILXKnox, Stark54 min
Jul 21, 1:13 AM CDTSevere Thunderstorm WarningILXKnox, Peoria, Stark62 min
Jul 21, 1:30 AM CDTSevere Thunderstorm WarningILXMarshall60 min
Jul 21, 1:34 AM CDTSevere Thunderstorm WarningILXFulton26 min
Jul 21, 1:43 AM CDTSevere Thunderstorm WarningILXTazewell, Woodford62 min
Jul 21, 1:58 AM CDTSevere Thunderstorm WarningILXMcLean62 min
Jul 21, 2:14 AM CDTSevere Thunderstorm WarningILXLogan61 min
Jul 21, 2:19 AM CDTFlash Flood WarningILXPeoria, Tazewell6 hr
Jul 21, 2:40 AM CDTSevere Thunderstorm WarningILXDeWitt, Macon65 min
Jul 21, 2:51 AM CDTSevere Thunderstorm WarningILXChampaign, Piatt54 min
Jul 21, 3:18 AM CDTFlash Flood WarningILXLogan3 hr
Jul 21, 3:37 AM CDTFlash Flood WarningILXDeWitt, Macon, Piatt6 hr
Jul 21, 3:50 AM CDTFlash Flood WarningILXChampaign, Vermilion6 hr
Jul 21, 3:54 AM CDTSevere Thunderstorm WarningILXSangamon51 min
Jul 21, 4:04 AM CDTFlash Flood WarningILXDouglas6 hr
Jul 21, 4:09 AM CDTSevere Thunderstorm WarningILXColes51 min
Jul 21, 4:31 AM CDTSevere Thunderstorm WarningILXClark, Cumberland44 min

Nearby

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