Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 28, NWS St. Louis, MO

May 8, 2003Marion County, Illinois

NWS St. Louis, MO issued this tornado warning at May 8, 2003, 3:59 PM CDT for Marion County, Illinois. It was in force for 31 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
May 8, 2003, 3:59 PM CDT (20:59 UTC)
Expired
May 8, 2003, 4:30 PM CDT
In force
31 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

County Marion County, IL

The watch it was issued in

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

IssuedProductOfficeLasted
May 8, 12:20 PM CDTSevere Thunderstorm WatchSPC4 hr
May 8, 3:40 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.0 hours before the alert went out and 159 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, Lincoln, IL at 12:00Z on 2003-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2003-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
797 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
161 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.

593 
WFUS53 KLSX 082059
TORLSX
ILC121-082130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
359 PM CDT THU MAY 8 2003

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MARION COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 430 PM CDT

* AT 359 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR VERNON. THE STORM WAS
  MOVING EAST SOUTHEAST AT 35 MPH...AND MAY PRODUCE A TORNADO AT ANY
  TIME

* LOCATIONS IMPACTED INCLUDE...
  ALMA
  KINMUNDY
  BRUBAKER
  OMEGA
  STEPHEN FORBES STATE PARK

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.

IF YOU LIVE IN A MOBILE HOME OR TRAILER...ABANDON IT IMMEDIATELY AND
SEEK SHELTER IN A MORE SUBSTANTIAL SHELTER.

LAT...LON 3884 8914 3865 8914 3858 8870 3882 8872

$$

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 1:29 PM CDTFlash Flood WarningLSXCalhoun3 hr
May 8, 1:55 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey50 min
May 8, 2:08 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery52 min
May 8, 2:56 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery49 min
May 8, 3:02 PM CDTTornado WarningLSXMacoupin, Montgomery28 min
May 8, 3:11 PM CDTSevere Thunderstorm WarningLSXFayette64 min
May 8, 3:16 PM CDTTornado WarningLSXBond, Montgomery29 min
May 8, 3:27 PM CDTSevere Thunderstorm WarningLSXMonroe48 min
May 8, 3:41 PM CDTTornado WarningLSXBond, Fayette49 min
May 8, 3:43 PM CDTSevere Thunderstorm WarningLSXRandolph, Saint Clair62 min
May 8, 4:03 PM CDTSevere Thunderstorm WarningLSXMadison57 min
May 8, 4:09 PM CDTSevere Thunderstorm WarningLSXWashington66 min
May 8, 4:29 PM CDTSevere Thunderstorm WarningLSXFayette31 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.