Alert archive / Illinois / Tornado Warnings in 2006

Tornado Warning 23, NWS St. Louis, MO

March 11, 2006Washington County, Illinois

NWS St. Louis, MO issued this tornado warning at Mar 11, 2006, 10:13 PM CST for Washington County, Illinois. It was in force for 62 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: Mar 11, 2006, 10:13 PM CST (04:13 UTC)
Expired: Mar 11, 2006, 11:15 PM CST
In force: 62 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Washington County, IL

The radar

The St Louis radar (KLSX), 129 km from the middle of the area, began a volume at 04:15 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

Time	Report	Where	Remark
Mar 11, 11:01 PM CST	HAIL 0.75	Du Bois, IL

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.

Issued	Product	Office	Lasted
Mar 11, 6:49 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.2 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-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: 789 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 120414
TORLSX
ILC189-120515-
/O.NEW.KLSX.TO.W.0023.060312T0413Z-060312T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1013 PM CST SAT MAR 11 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 1115 PM CST

* AT 1010 PM CST...THE PUBLIC REPORTED A TORNADO 25 MILES SOUTHWEST
  OF NASHVILLE...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NASHVILLE...
  ASHLEY...
  IRVINGTON...
  RADOM...
  DU BOIS...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST SUNDAY MORNING FOR
SOUTHWESTERN ILLINOIS AND SOUTHEASTERN MISSOURI. A TORNADO WATCH ALSO
REMAINS IN EFFECT UNTIL 400 AM CST SUNDAY MORNING FOR SOUTH CENTRAL
ILLINOIS.

LAT...LON 3821 8917 3822 8963 3849 8931 3849 8928
      3850 8927 3850 8919 3849 8918 3849 8915
      3822 8916

$$

CVKING

7 follow-up statements

000 
WWUS53 KLSX 120420
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1019 PM CST SAT MAR 11 2006

ILC189-120515-
/O.CON.KLSX.TO.W.0023.000000T0000Z-060312T0515Z/
WASHINGTON IL-
1019 PM CST SAT MAR 11 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR EASTERN
WASHINGTON COUNTY...

AT 1015 PM CST...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 13 MILES
SOUTHWEST OF OAKDALE...MOVING NORTHEAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  POSEN BY 1040 PM CST
  BEAUCOUP AND RADOM BY 1050 PM CST
  RICHVIEW AND ASHLEY BY 1055 PM CST
  IRVINGTON BY 1105 PM CST

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 3821 8917 3822 8963 3849 8931 3849 8928
      3850 8927 3850 8919 3849 8918 3849 8915
      3822 8916

$$

CVKING

000 
WWUS53 KLSX 120427
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1027 PM CST SAT MAR 11 2006

ILC189-120515-
/O.CON.KLSX.TO.W.0023.000000T0000Z-060312T0515Z/
WASHINGTON IL-
1027 PM CST SAT MAR 11 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR EASTERN
WASHINGTON COUNTY...

AT 1025 PM CST...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 7 MILES
SOUTH OF OAKDALE...MOVING NORTHEAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  7 MILES SOUTHEAST OF CORDES BY 1030 PM CST
  POSEN BY 1035 PM CST
  DU BOIS AND 8 MILES SOUTHEAST OF NASHVILLE BY 1040 PM CST
  RADOM...BEAUCOUP AND 9 MILES SOUTHEAST OF HUEGELY BY 1045 PM CST
  ASHLEY AND RICHVIEW BY 1050 PM CST
  IRVINGTON BY 1055 PM CST

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 3821 8917 3822 8963 3849 8931 3849 8928
      3850 8927 3850 8919 3849 8918 3849 8915
      3822 8916

$$

CVKING

000 
WWUS53 KLSX 120434
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1034 PM CST SAT MAR 11 2006

ILC189-120515-
/O.CON.KLSX.TO.W.0023.000000T0000Z-060312T0515Z/
WASHINGTON IL-
1034 PM CST SAT MAR 11 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR EASTERN
WASHINGTON COUNTY...

AT 1030 PM CST...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 6 MILES
SOUTHWEST OF POSEN...MOVING NORTHEAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  DU BOIS AND 8 MILES SOUTHEAST OF NASHVILLE BY 1040 PM CST
  RADOM AND 6 MILES SOUTHEAST OF BEAUCOUP BY 1045 PM CST
  ASHLEY AND RICHVIEW BY 1050 PM CST
  6 MILES SOUTHEAST OF IRVINGTON BY 1055 PM CST

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 3821 8917 3822 8963 3849 8931 3849 8928
      3850 8927 3850 8919 3849 8918 3849 8915
      3822 8916

$$

CVKING

000 
WWUS53 KLSX 120441
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1041 PM CST SAT MAR 11 2006

ILC189-120515-
/O.CON.KLSX.TO.W.0023.000000T0000Z-060312T0515Z/
WASHINGTON IL-
1041 PM CST SAT MAR 11 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR EASTERN
WASHINGTON COUNTY...

AT 1040 PM CST...LOCAL LAW ENFORCEMENT REPORTED A TORNADO OVER
POSEN...MOVING NORTHEAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  ASHLEY AND RICHVIEW BY 1050 PM CST
  7 MILES SOUTHEAST OF IRVINGTON BY 1055 PM CST

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 3821 8917 3822 8963 3849 8931 3849 8928
      3850 8927 3850 8919 3849 8918 3849 8915
      3822 8916

$$

CVKING

000 
WWUS53 KLSX 120449 RRA
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1048 PM CST SAT MAR 11 2006

ILC189-120515-
/O.CON.KLSX.TO.W.0023.000000T0000Z-060312T0515Z/
WASHINGTON IL-
1048 PM CST SAT MAR 11 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR EASTERN
WASHINGTON COUNTY...

AT 1045 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH STRONG ROTATION OVER RADOM...MOVING
NORTHEAST AT 45 MPH.

IN ADDITION...ANOTHER SUPERCELL THUNDERSTORM WILL FOLLOW ON THE 
HEELS OF THE FIRST WITH AN ADDITIONAL TORNADO THREAT...AS STRONG 
ROTATION IS NOW INDICATED WITH THIS STORM AS WELL.

THIS IS A VERY DANGEROUS SITUATION...TAKE SHELTER NOW.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
RADOM...IRVINGTON...ASHLEY...AND DU BOIS.

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 3821 8917 3822 8963 3849 8931 3849 8928
      3850 8927 3850 8919 3849 8918 3849 8915
      3822 8916

$$

CVKING

000 
WWUS53 KLSX 120500
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1100 PM CST SAT MAR 11 2006

ILC189-120515-
/O.CON.KLSX.TO.W.0023.000000T0000Z-060312T0515Z/
WASHINGTON IL-
1100 PM CST SAT MAR 11 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR EASTERN
WASHINGTON COUNTY...

AT 1055 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE 
THUNDERSTORM WITH STRONG ROTATION OVER DU BOIS...MOVING NORTHEAST AT 
45 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
ASHLEY AND RICHVIEW.

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 3821 8917 3822 8963 3849 8931 3849 8928
      3850 8927 3850 8919 3849 8918 3849 8915
      3822 8916

$$

CVKING

000 
WWUS53 KLSX 120512
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1112 PM CST SAT MAR 11 2006

ILC189-120522-
/O.EXP.KLSX.TO.W.0023.000000T0000Z-060312T0515Z/
WASHINGTON IL-
1112 PM CST SAT MAR 11 2006

...THE TORNADO WARNING FOR EASTERN WASHINGTON COUNTY HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.

LAT...LON 3821 8917 3822 8963 3849 8931 3849 8928
      3850 8927 3850 8919 3849 8918 3849 8915
      3822 8916

$$

CVKING

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 11, 8:14 PM CST	Severe Thunderstorm Warning	LSX	Montgomery	21 min
Mar 11, 9:39 PM CST	Tornado Warning	LSX	Randolph	51 min
Mar 11, 9:42 PM CST	Tornado Warning	LSX	Monroe	39 min
Mar 11, 10:30 PM CST	Severe Thunderstorm Warning	LSX	Randolph	60 min
Mar 11, 10:54 PM CST	Severe Thunderstorm Warning	LSX	Marion	41 min
Mar 11, 11:11 PM CST	Tornado Warning	LSX	Randolph	28 min
Mar 11, 11:30 PM CST	Severe Thunderstorm Warning	LSX	Washington	38 min
Mar 11, 11:37 PM CST	Severe Thunderstorm Warning	LSX	Monroe	15 min
Mar 12, 12:44 AM CST	Flash Flood Warning	LSX	Monroe, Randolph	6 hr
Mar 12, 12:59 AM CST	Severe Thunderstorm Warning	LSX	Monroe	19 min
Mar 12, 1:03 AM CST	Severe Thunderstorm Warning	LSX	Randolph	20 min
Mar 12, 1:57 AM CST	Flash Flood Warning	LSX	Clinton, Marion, Washington	6 hr
Mar 12, 11:24 AM CST	Tornado Warning	LSX	Adams, Pike	36 min
Mar 12, 11:51 AM CST	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	39 min

Nearby

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