Alert archive / Illinois / Tornado Warnings in 2006

Tornado Warning 6, NWS St. Louis, MO

January 2, 2006Calhoun County, Greene County, Illinois

NWS St. Louis, MO issued this tornado warning at Jan 2, 2006, 4:44 AM CST for Calhoun County, Greene County, Illinois. It was in force for 31 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
Jan 2, 2006, 4:44 AM CST (10:44 UTC)
Expired
Jan 2, 2006, 5:15 AM CST
In force
31 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

Counties Calhoun County, IL, Greene County, IL

The radar

The St Louis radar (KLSX), 73 km from the middle of the area, began a volume at 10:46 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.

IssuedProductOfficeLasted
Jan 2, 2:15 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 10.7 hours before the alert went out and 189 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 00:00Z on 2006-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2006-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
632 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
193 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 021044
TORLSX
ILC013-061-021115-
/O.NEW.KLSX.TO.W.0006.060102T1044Z-060102T1115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
444 AM CST MON JAN 2 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 515 AM CST

* AT 441 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 11 MILES WEST OF
  CARROLLTON...MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CARROLLTON
  WHITE HALL
  ROODHOUSE

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 800 AM CST MONDAY MORNING FOR
SOUTHWESTERN ILLINOIS AND EASTERN MISSOURI.

LAT...LON 3926 9075 3916 9056 3953 9014 3954 9056

$$

TRUETT
2 follow-up statements
000 
WWUS53 KLSX 021100
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
459 AM CST MON JAN 2 2006

ILC013-021109-
/O.CAN.KLSX.TO.W.0006.000000T0000Z-060102T1115Z/
CALHOUN IL-
459 AM CST MON JAN 2 2006

...THE TORNADO WARNING FOR CALHOUN COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS EXITED THE AREA.  
HOWEVER...A TORNADO WATCH REMAINS IN EFFECT UNTIL 8 AM.

LAT...LON 3940 9063 3928 9059 3953 9014 3954 9056

$$

ILC061-021115-
/O.CON.KLSX.TO.W.0006.000000T0000Z-060102T1115Z/
GREENE IL-
459 AM CST MON JAN 2 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CST FOR NORTHERN
GREENE COUNTY...

AT 456 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO OVER WALKERSVILLE...MOVING NORTHEAST AT 40 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
PATTERSON...WHITE HALL...BARROW AND ROODHOUSE.

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 3940 9063 3928 9059 3953 9014 3954 9056

$$

TRUETT
000 
WWUS53 KLSX 021117
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
516 AM CST MON JAN 2 2006

ILC061-021126-
/O.EXP.KLSX.TO.W.0006.000000T0000Z-060102T1115Z/
GREENE IL-
516 AM CST MON JAN 2 2006

...THE TORNADO WARNING FOR NORTHERN GREENE COUNTY HAS EXPIRED...

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

HOWEVER...ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A 
TORNADO WATCH REMAINS IN EFFECT UNTIL 8 AM.

LAT...LON 3940 9063 3928 9059 3953 9014 3954 9056

$$

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 3:03 AM CSTSevere Thunderstorm WarningLSXCalhoun, Pike42 min
Jan 2, 3:15 AM CSTTornado WarningLSXCalhoun45 min
Jan 2, 3:51 AM CSTTornado WarningLSXGreene, Jersey54 min
Jan 2, 4:09 AM CSTSevere Thunderstorm WarningLSXCalhoun, Pike51 min
Jan 2, 4:32 AM CSTSevere Thunderstorm WarningLSXCalhoun, Jersey43 min
Jan 2, 5:40 AM CSTSevere Thunderstorm WarningLSXGreene, Macoupin34 min
Jan 2, 6:56 AM CSTSevere Thunderstorm WarningLSXBond, Madison39 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.