Alert archive / Illinois / Tornado Warnings in 2006

Tornado Warning 87, NWS St. Louis, MO

June 1, 2006Madison County, Saint Clair County, Illinois

NWS St. Louis, MO issued this tornado warning at Jun 1, 2006, 2:56 PM CDT for Madison County, Saint Clair County, Illinois. It was in force for 49 min. 1 report 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
Jun 1, 2006, 2:56 PM CDT (19:56 UTC)
Expired
Jun 1, 2006, 3:45 PM CDT
In force
49 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

Counties Madison County, IL, Saint Clair County, IL

The radar

The St Louis radar (KLSX), 64 km from the middle of the area, began a volume at 19:56 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
Jun 1, 3:00 PM CDTFUNNEL CLOUDFairview Heights, ILAT 2ND AVE AND HIGHWAY 50.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.9 hours before the alert went out and 204 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 2006-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 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 2006-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
12 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
795 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
75 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.

000 
WFUS53 KLSX 011956
TORLSX
ILC119-163-012045-
/O.NEW.KLSX.TO.W.0087.060601T1956Z-060601T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
256 PM CDT THU JUN 1 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MADISON COUNTY IN SOUTHWEST ILLINOIS
  NORTHERN ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS

* UNTIL 345 PM CDT

* AT 251 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION OVER CASEYVILLE...MOVING
  EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  COLLINSVILLE...
  SWANSEA...
  OFALLON...
  SHILOH...
  TROY...
  LEBANON...
  SCOTT AFB...
  ST. JACOB...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3870 9010 3854 9010 3852 8972 3874 8973

$$

TRUETT
2 follow-up statements
000 
WWUS53 KLSX 012029
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
328 PM CDT THU JUN 1 2006

ILC119-163-012045-
/O.CON.KLSX.TO.W.0087.000000T0000Z-060601T2045Z/
ST. CLAIR IL-MADISON IL-
328 PM CDT THU JUN 1 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR SOUTHERN
MADISON AND NORTHEASTERN ST. CLAIR COUNTIES...

AT 326 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE ROTATION NEAR LEBANON...MOVING EAST AT 20 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
SUMMERFIELD.

IN ADDITION TO THE TORNADO...THIS STORM WAS IS CAPABLE OF PRODUCING  
DESTRUCTIVE STRAIGHT LINE WINDS OVER NORTHEAST ST. CLAIR COUNTY.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3872 8995 3852 8997 3852 8971 3870 8971

$$

TRUETT
000 
WWUS53 KLSX 012044
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
343 PM CDT THU JUN 1 2006

ILC119-163-012053-
/O.EXP.KLSX.TO.W.0087.000000T0000Z-060601T2045Z/
ST. CLAIR IL-MADISON IL-
343 PM CDT THU JUN 1 2006

...THE TORNADO WARNING FOR SOUTH CENTRAL MADISON AND NORTHEASTERN ST.
CLAIR COUNTIES WILL BE ALLOWED TO EXPIRE...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE.

THE STORM IS MOVING EAST...AND WILL PRODUCE HEAVY RAIN AND POSSIBLY 
WINDS OF 30 TO 40 MPH OVER EXTREME SOUTHEAST MADISON...AND NORTHERN 
SECTIOSN OF CLINTON COUNTY....BETWEEN 345 PM AND 415 PM.

LAT...LON 3872 8995 3852 8997 3852 8971 3870 8971

$$

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 5:21 PM CDTFlash Flood WarningLSXSaint Clair4 hr

Nearby

Tornado Warnings in Illinois, 2006Every tornado warning in 2006Tornadoes in 2006

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.