Alert archive / Illinois / Tornado Warnings in 2006

Tornado Warning 39, NWS St. Louis, MO

March 12, 2006Greene County, Illinois

NWS St. Louis, MO issued this tornado warning at Mar 12, 2006, 7:05 PM CST for Greene County, Illinois. It was in force for 37 min. 3 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: Mar 12, 2006, 7:05 PM CST (01:05 UTC)
Expired: Mar 12, 2006, 7:42 PM CST
In force: 37 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Greene County, IL

The radar

The St Louis radar (KLSX), 83 km from the middle of the area, began a volume at 01:08 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 12, 7:20 PM CST	TORNADO	Hillview, IL	SEVERAL BUILDINGS DAMAGED...TREES AND POWER LINES DOWN.
Mar 12, 7:25 PM CST	TORNADO	2 W Barrow, IL	TORNADO REPORTED ON THE GROUND ON HIGHWAY 106.
Mar 12, 7:29 PM CST	TORNADO 1	3 Se Alsey, IL	ENTERED COUNTY FROM GREENE COUNTY. PATH LENGTH 44 MILES, LIFTING IN SPRINGFIELD.

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 12, 11:49 AM CST	Tornado Watch	SPC	10 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.1 hours before the alert went out and 180 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: 730 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 565 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 286 m²/s²
0-3 km storm-relative helicity: 322 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 5.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 130105
TORLSX
ILC061-130145-
/O.NEW.KLSX.TO.W.0039.060313T0105Z-060313T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
705 PM CST SUN MAR 12 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN GREENE COUNTY IN SOUTHWEST ILLINOIS

* UNTIL 745 PM CST

* AT 704 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 15 MILES WEST OF WHITE
  HALL...MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WHITE HALL...
  ROODHOUSE...
  ATHENSVILLE...

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 3939 9062 3932 9063 3945 9016 3954 9015
      3953 9058 3939 9062

$$

TRUETT

2 follow-up statements

000 
WWUS53 KLSX 130124
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
724 PM CST SUN MAR 12 2006

ILC061-130145-
/O.CON.KLSX.TO.W.0039.000000T0000Z-060313T0145Z/
GREENE IL-
724 PM CST SUN MAR 12 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CST FOR NORTHERN
GREENE COUNTY...

AT 719 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION OVER HILLVIEW...MOVING EAST
AT 35 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
WHITE HALL...ROODHOUSE...BARROW AND ATHENSVILLE.  PEOLPLE IN THE 
PATH OF THIS STORM SHOULD TAKE SHELTER IMMEDIATELY

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 3939 9062 3932 9063 3945 9016 3954 9015
      3953 9058 3939 9062

$$

TRUETT

000 
WWUS53 KLSX 130142
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
742 PM CST SUN MAR 12 2006

ILC061-130152-
/O.CAN.KLSX.TO.W.0039.000000T0000Z-060313T0145Z/
GREENE IL-
742 PM CST SUN MAR 12 2006

...THE TORNADO WARNING FOR NORTHERN GREENE COUNTY IS CANCELLED...

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

HOWEVER...THE THREAT OF SEVERE WEATHER IS NOT OVER.  ADDITIONAL 
STRONG THUNDERSTORMS ARE POSSIBLE LATER TONIGHT...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 10 PM.

LAT...LON 3939 9062 3932 9063 3945 9016 3954 9015
      3953 9058 3939 9062

$$

TRUETT

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 6:12 PM CST	Tornado Warning	LSX	Pike	63 min
Mar 12, 6:41 PM CST	Tornado Warning	LSX	Calhoun	26 min
Mar 12, 10:35 PM CST	Tornado Warning	LSX	Adams	40 min
Mar 12, 11:21 PM CST	Tornado Warning	LSX	Adams, Brown	39 min
Mar 13, 12:26 AM CST	Tornado Warning	LSX	Calhoun	40 min
Mar 13, 12:52 AM CST	Tornado Warning	LSX	Greene	38 min
Mar 13, 1:24 AM CST	Tornado Warning	LSX	Macoupin	14 min
Mar 13, 1:52 AM CST	Tornado Warning	LSX	Calhoun	38 min
Mar 13, 2:01 AM CST	Tornado Warning	LSX	Greene	44 min
Mar 13, 2:31 AM CST	Severe Thunderstorm Warning	LSX	Macoupin	44 min
Mar 13, 2:56 AM CST	Severe Thunderstorm Warning	LSX	Montgomery	49 min
Mar 13, 3:02 AM CST	Severe Thunderstorm Warning	LSX	Madison	43 min
Mar 13, 3:35 AM CST	Severe Thunderstorm Warning	LSX	Bond	40 min
Mar 13, 4:01 AM CST	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	33 min
Mar 13, 4:04 AM CST	Tornado Warning	LSX	Randolph	35 min
Mar 13, 4:27 AM CST	Severe Thunderstorm Warning	LSX	Washington	48 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.