Alert archive / Illinois / Tornado Warnings in 2010

Tornado Warning 96, NWS St. Louis, MO

December 31, 20105 counties in Illinois

NWS St. Louis, MO issued this tornado warning at Dec 31, 2010, 2:22 PM CST for 5 counties in Illinois. It was in force for 53 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: Dec 31, 2010, 2:22 PM CST (20:22 UTC)
Expired: Dec 31, 2010, 3:15 PM CST
In force: 53 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon

Counties Bond County, IL, Clinton County, IL, Fayette County, IL, Marion County, IL, Washington County, IL

The radar

The Evansville,IN radar (KVWX), 121 km from the middle of the area, began a volume at 20:24 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
Dec 31, 2:40 PM CST	HAIL 0.25	2 E Huey, 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
Dec 31, 7:29 AM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.4 hours before the alert went out and 170 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: 506 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 450 m²/s²
0-3 km storm-relative helicity: 427 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.

817 
WFUS53 KLSX 312022
TORLSX
ILC005-027-051-121-189-312115-
/O.NEW.KLSX.TO.W.0096.101231T2022Z-101231T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
222 PM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS...
  EASTERN CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS...
  MARION COUNTY IN SOUTH CENTRAL ILLINOIS...
  NORTHEASTERN WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 315 PM CST

* AT 220 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR CARLYLE...AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CENTRALIA...SALEM...IRVINGTON...BEAVER CREEK...WAMAC...SHATTUC...
  CENTRAL CITY...TAMALCO...BOULDER...SANDOVAL...ODIN...FAIRMAN...
  PATOKA...SHOBONIER...HELM...KINMUNDY...OMEGA...STEPHEN FORBES STATE
  PARK...BROWNSTOWN AND FARINA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3848 8914 3842 8915 3835 8929 3875 8943
      3914 8881 3891 8881 3892 8870 3848 8871
TIME...MOT...LOC 2022Z 236DEG 49KT 3858 8935

$$

CVKING

2 follow-up statements

668 
WWUS53 KLSX 312036
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
236 PM CST FRI DEC 31 2010

ILC005-027-051-121-189-312115-
/O.CON.KLSX.TO.W.0096.000000T0000Z-101231T2115Z/
WASHINGTON IL-CLINTON IL-MARION IL-BOND IL-FAYETTE IL-
236 PM CST FRI DEC 31 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN FAYETTE...
SOUTHEASTERN BOND...MARION...EASTERN CLINTON AND NORTHEASTERN
WASHINGTON COUNTIES UNTIL 315 PM CST...

AT 233 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BOULDER...OR 10 MILES EAST OF CARLYLE...MOVING
NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  SALEM...PATOKA...SHOBONIER...HELM...KINMUNDY...OMEGA...STEPHEN
  FORBES STATE PARK...BROWNSTOWN...FARINA...ST. ELMO...KELL...
  SELMAVILLE...PITTSBURG...CARTTER...TONTI...VERNON...ALMA...
  BRUBAKER...IUKA AND ST. PAUL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3848 8914 3842 8915 3835 8929 3875 8943
      3914 8881 3891 8881 3892 8870 3848 8871
TIME...MOT...LOC 2037Z 236DEG 49KT 3869 8913

$$

GLASS

663 
WWUS53 KLSX 312113
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
313 PM CST FRI DEC 31 2010

ILC005-027-051-121-189-312124-
/O.EXP.KLSX.TO.W.0096.000000T0000Z-101231T2115Z/
WASHINGTON IL-CLINTON IL-MARION IL-BOND IL-FAYETTE IL-
313 PM CST FRI DEC 31 2010

...THE TORNADO WARNING FOR SOUTHERN FAYETTE...SOUTHEASTERN BOND...
MARION...EASTERN CLINTON AND NORTHEASTERN WASHINGTON COUNTIES WILL
EXPIRE AT 315 PM CST...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 3848 8914 3842 8915 3835 8929 3875 8943
      3914 8881 3891 8881 3892 8870 3848 8871
TIME...MOT...LOC 2114Z 236DEG 49KT 3897 8859

$$

GLASS

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 31, 9:43 AM CST	Tornado Warning	LSX	Adams, Brown	32 min
Dec 31, 10:22 AM CST	Tornado Warning	LSX	Pike	38 min
Dec 31, 11:00 AM CST	Tornado Warning	LSX	Calhoun, Pike	60 min
Dec 31, 11:15 AM CST	Tornado Warning	LSX	Calhoun, Pike	45 min
Dec 31, 11:22 AM CST	Tornado Warning	LSX	Calhoun, Jersey, Madison, Monroe, Saint Clair	53 min
Dec 31, 11:54 AM CST	Tornado Warning	LSX	Calhoun, Greene, Pike	51 min
Dec 31, 11:59 AM CST	Tornado Warning	LSX	Bond, Clinton, Jersey, Macoupin, Madison, Monroe and 2 more	61 min
Dec 31, 12:38 PM CST	Tornado Warning	LSX	Bond, Clinton, Fayette, Marion, Montgomery	67 min
Dec 31, 12:57 PM CST	Tornado Warning	LSX	Bond, Clinton, Madison, Monroe, Randolph, Saint Clair and 1 more	48 min
Dec 31, 1:11 PM CST	Tornado Warning	LSX	Randolph	49 min
Dec 31, 1:40 PM CST	Tornado Warning	LSX	Bond, Clinton, Fayette, Marion, Washington	50 min
Dec 31, 1:44 PM CST	Tornado Warning	LSX	Clinton, Monroe, Randolph, Saint Clair, Washington	61 min
Dec 31, 2:00 PM CST	Tornado Warning	LSX	Randolph	60 min

Nearby

Tornado Warnings in Illinois, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.