Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 60, NWS St. Louis, MO

June 10, 2003Clinton County, Marion County, Illinois

NWS St. Louis, MO issued this tornado warning at Jun 10, 2003, 6:29 PM CDT for Clinton County, Marion County, Illinois. It was in force for 46 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: Jun 10, 2003, 6:29 PM CDT (23:29 UTC)
Expired: Jun 10, 2003, 7:15 PM CDT
In force: 46 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

Counties Clinton County, IL, Marion County, IL

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 10, 3:40 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.5 hours before the alert went out and 173 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: 77 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1451 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 63 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.

727 
WFUS53 KLSX 102329
TORLSX
ILC027-121-110015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
628 PM CDT TUE JUN 10 2003

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS
  MARION COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 715 PM CDT

* AT 628 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 12 MILES WEST OF HUEY. THE
  STORM WAS MOVING EAST AT 50 MPH...AND MAY PRODUCE A TORNADO AT ANY
  TIME

* LOCATIONS IMPACTED INCLUDE...
  BOULDER
  FAIRMAN
  ODIN
  TONTI
  SALEM
  BRUBAKER
  OMEGA

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW MOVE TO A
BASEMENT...UNDERGROUND STORM SHELTER...OR AN INTERIOR ROOM OR HALLWAY
ON THE LOWEST LEVEL OF A STURDY BUILDING.

LAT...LON 3850 8871 3854 8932 3874 8932 3882 8872

$$

CVKING

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 5:50 PM CDT	Severe Thunderstorm Warning	LSX	Madison	40 min
Jun 10, 5:52 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	38 min
Jun 10, 6:03 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	42 min
Jun 10, 6:07 PM CDT	Tornado Warning	LSX	Monroe, Randolph, Saint Clair	38 min
Jun 10, 6:13 PM CDT	Tornado Warning	LSX	Clinton, Saint Clair	47 min
Jun 10, 6:18 PM CDT	Severe Thunderstorm Warning	LSX	Washington	42 min
Jun 10, 6:27 PM CDT	Flash Flood Warning	LSX	Madison, Saint Clair	4 hr

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.