Alert archive / Illinois / Tornado Warnings in 2004

Tornado Warning 40, NWS St. Louis, MO

May 30, 20044 counties in Illinois

NWS St. Louis, MO issued this tornado warning at May 30, 2004, 4:55 PM CDT for 4 counties in Illinois. It was in force for 50 min. 5 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 30, 2004, 4:55 PM CDT (21:55 UTC)
Expired
May 30, 2004, 5:45 PM CDT
In force
50 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

Counties Bond County, IL, Clinton County, IL, Fayette County, IL, Marion County, IL

The radar

The St Louis radar (KLSX), 125 km from the middle of the area, began a volume at 21:54 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

TimeReportWhereRemark
May 30, 4:57 PM CDTTORNADO8 Ne Breese, ILTORNADO ON THE GROUND
May 30, 5:08 PM CDTFUNNEL CLOUDCarlyle, ILFUNNEL CLOUD OVER CARLYLE LAKE.
May 30, 5:15 PM CDTTSTM WND GST 60Hazelwood, IL
May 30, 5:21 PM CDTTORNADO5 W Patoka, ILTORNADO ON THE GROUND WEST OF PATOKA.
May 30, 5:30 PM CDTFUNNEL CLOUDPatoka, ILFUNNEL CLOUD DROPPING DOWN OVER TOWN OF PATOKA.

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.

IssuedProductOfficeLasted
May 30, 1:05 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 163 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 2004-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1629 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, Lincoln, IL at 12:00Z on 2004-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 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
1629 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
569 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
1.4
Supercell composite
8.9

Open this sounding in Storm Lab

The text

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

033 
WFUS53 KLSX 302155
TORLSX
ILC005-027-051-121-302245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
453 PM CDT SUN MAY 30 2004

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS
  NORTHEASTERN CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS
  SOUTHERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS
  NORTHERN MARION COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 545 PM CDT

* AT 453 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR STOLLETOWN. THE STORM
  WAS MOVING NORTHEAST AT 30 MPH...AND MAY PRODUCE A TORNADO AT
  ANY TIME  A SECOND TORNADIC STORM WAS LOCATED NEAR GREENVILLE..
  ALSO MOVING NORTHEAST AT 30 MPH.  

* LOCATIONS IMPACTED INCLUDE...
  KEYESPORT
  TAMALCO
  BOULDER
  FAIRMAN
  PATOKA
  VERNON
  ST. PAUL
  WOBURN
  MULBERRY GROVE 

THIS IS AN EXTREMELY DANGEROUS AND LIFE-THREATENING SITUATION. MOVE
IMMEDIATELY TO A BASEMENT OR BELOW GROUND SHELTER. IF UNDERGROUND
SHELTER IS NOT AVAILABLE...TAKE COVER ON THE LOWEST FLOOR OF A STURDY
BUILDING OR HOME IN A SMALL INTERIOR ROOM...SUCH AS A CLOSET OR
HALLWAY. HIDE UNDER A MATRESS OR USE BLANKETS OR PILLOWS TO COVER
YOUR BODY.

DO NOT JEOPARDIZE YOUR LIFE TRYING TO VIEW...TAKE A PICTURE...OR
SHOOT VIDEO OF A TORNADO. SEEK SHELTER NOW

LAT...LON 3871 8959 3855 8950 3872 8871 3900 8883
          3896 8927

$$

TRUETT/GKS

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 3:27 PM CDTTornado WarningLSXAdams48 min
May 30, 4:04 PM CDTSevere Thunderstorm WarningLSXBond, Madison, Montgomery41 min
May 30, 4:06 PM CDTSevere Thunderstorm WarningLSXBrown39 min
May 30, 4:09 PM CDTSevere Thunderstorm WarningLSXClinton, Saint Clair51 min
May 30, 4:13 PM CDTTornado WarningLSXBond, Madison, Montgomery47 min
May 30, 4:20 PM CDTTornado WarningLSXBond, Clinton, Madison, Saint Clair40 min
May 30, 4:32 PM CDTSevere Thunderstorm WarningLSXMonroe28 min
May 30, 4:44 PM CDTSevere Thunderstorm WarningLSXFayette, Montgomery46 min
May 30, 4:47 PM CDTTornado WarningLSXBrown28 min
May 30, 4:48 PM CDTTornado WarningLSXFayette, Montgomery42 min
May 30, 4:51 PM CDTTornado WarningLSXMonroe39 min
May 30, 5:09 PM CDTSevere Thunderstorm WarningLSXMadison36 min
May 30, 5:19 PM CDTSevere Thunderstorm WarningLSXSaint Clair41 min
May 30, 5:44 PM CDTTornado WarningLSXFayette31 min
May 30, 5:50 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery25 min
May 30, 6:14 PM CDTTornado WarningLSXWashington46 min
May 30, 6:36 PM CDTTornado WarningLSXMarion39 min

Nearby

Tornado Warnings in Illinois, 2004Every tornado warning in 2004Tornadoes 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.