Alert archive / Illinois / Tornado Warnings in 2006

Tornado Warning 75, NWS St. Louis, MO

April 2, 2006Montgomery County, Illinois

NWS St. Louis, MO issued this tornado warning at Apr 2, 2006, 5:41 PM CDT for Montgomery County, Illinois. It was in force for 36 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: Apr 2, 2006, 5:41 PM CDT (22:41 UTC)
Expired: Apr 2, 2006, 6:17 PM CDT
In force: 36 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Montgomery County, IL

The radar

The Lincoln radar (KILX), 91 km from the middle of the area, began a volume at 22:41 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 2, 3:50 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.7 hours before the alert went out and 119 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 985 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 255 m²/s²
0-3 km storm-relative helicity: 297 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 022242
TORLSX
ILC135-022330-
/O.NEW.KLSX.TO.W.0075.060402T2241Z-060402T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
541 PM CDT SUN APR 2 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  MONTGOMERY COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 630 PM CDT

* AT 540 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 10 MILES NORTHWEST OF
  LITCHFIELD...MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RAYMOND...
  WAGGONER...
  LAKE LOU YEAGER...

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 3937 8969 3916 8970 3926 8915 3936 8918
      3935 8954 3950 8956

$$

BRITT

2 follow-up statements

000 
WWUS53 KLSX 022254
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
551 PM CDT SUN APR 2 2006

ILC135-022330-
/O.CON.KLSX.TO.W.0075.000000T0000Z-060402T2330Z/
MONTGOMERY IL-
551 PM CDT SUN APR 2 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR 
MONTGOMERY COUNTY...

AT 550 PM CDT...A TRAINED SPOTTER REPORTED A FUNNEL CLOUD NEAR 
RAYMOND.  IN ADDITION...NATIONAL WEATHER SERVICE DOPPLER RADAR 
INDICATED ROTATION 5 MILES SOUTHWEST OF FARMERSVILLE.  BOTH OF THESE 
CIRCULATIONS ARE MOVING NORTHEAST AT 50 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...FARMERSVILLE...
NOKOMIS...COALTON...WITT...WENONAH AND OHLMAN.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED 
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3952 8970 3916 8970 3926 8915 3936 8918
      3935 8954 3952 8955

$$

BRITT

000 
WWUS53 KLSX 022317
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
617 PM CDT SUN APR 2 2006

ILC135-022327-
/O.CAN.KLSX.TO.W.0075.000000T0000Z-060402T2330Z/
MONTGOMERY IL-
617 PM CDT SUN APR 2 2006

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

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

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH 
REMAINS IN EFFECT UNTIL 10 PM CDT.

LAT...LON 3952 8970 3916 8970 3926 8915 3936 8918
      3935 8954 3952 8955

$$

BRITT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 4:31 PM CDT	Severe Thunderstorm Warning	LSX	Adams	56 min
Apr 2, 4:34 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Pike	56 min
Apr 2, 4:46 PM CDT	Tornado Warning	LSX	Adams, Pike	37 min
Apr 2, 4:58 PM CDT	Severe Thunderstorm Warning	LSX	Brown	46 min
Apr 2, 5:03 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Monroe, Saint Clair	43 min
Apr 2, 5:05 PM CDT	Severe Thunderstorm Warning	LSX	Greene, Jersey, Macoupin	40 min
Apr 2, 5:14 PM CDT	Tornado Warning	LSX	Greene, Jersey, Macoupin	46 min
Apr 2, 5:20 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	40 min
Apr 2, 5:20 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Washington	55 min
Apr 2, 5:34 PM CDT	Tornado Warning	LSX	Randolph	25 min
Apr 2, 5:43 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Marion	46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.