Alert archive / Illinois / Tornado Warnings in 2012

Tornado Warning 24, NWS Lincoln, IL

September 7, 2012Clark County, Coles County, Edgar County, Illinois

NWS Lincoln, IL issued this tornado warning at Sep 7, 2012, 6:05 PM CDT for Clark County, Coles County, Edgar County, Illinois. It was in force for 40 min. 2 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: Sep 7, 2012, 6:05 PM CDT (23:05 UTC)
Expired: Sep 7, 2012, 6:45 PM CDT
In force: 40 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

Counties Clark County, IL, Coles County, IL, Edgar County, IL

The radar

The Indianapolis radar (KIND), 125 km from the middle of the area, began a volume at 23:09 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
Sep 7, 6:10 PM CDT	HAIL 0.75	Ashmore, IL	DIME SIZE HAIL. SWOP REPORT
Sep 7, 6:15 PM CDT	TSTM WND DMG	1 Nw Kansas, IL	TREE DOWN ON HIGHWAY 49 JUST NORTH OF HIGHWAY 16.

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
Sep 7, 3:41 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.1 hours before the alert went out and 114 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: 367 J/kg
Mixed-layer CIN: -412 J/kg
Mixed-layer LCL: 1436 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

910 
WFUS53 KILX 072305
TORILX
ILC023-029-045-072345-
/O.NEW.KILX.TO.W.0024.120907T2305Z-120907T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
605 PM CDT FRI SEP 7 2012

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CLARK COUNTY IN EAST CENTRAL ILLINOIS...
  EASTERN COLES COUNTY IN EAST CENTRAL ILLINOIS...
  SOUTHERN EDGAR COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 645 PM CDT.

* AT 602 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR ASHMORE...OR 7 MILES EAST OF CHARLESTON...
  AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MARSHALL...WESTFIELD...KANSAS...CLARKSVILLE...OLIVER...DENNISON AND
  BELL RIDGE.

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 3935 8754 3933 8755 3934 8758 3932 8760
      3945 8817 3962 8811 3954 8752 3935 8752
TIME...MOT...LOC 2305Z 283DEG 32KT 3952 8802

$$

BARKER

1 follow-up statement

024 
WWUS53 KILX 072323
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
623 PM CDT FRI SEP 7 2012

ILC029-072333-
/O.CAN.KILX.TO.W.0024.000000T0000Z-120907T2345Z/
COLES IL-
623 PM CDT FRI SEP 7 2012

...THE TORNADO WARNING FOR EASTERN COLES COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3935 8754 3933 8755 3934 8758 3932 8760
      3941 8800 3959 8788 3954 8752 3935 8752
TIME...MOT...LOC 2323Z 298DEG 39KT 3951 8780

$$

ILC023-045-072345-
/O.CON.KILX.TO.W.0024.000000T0000Z-120907T2345Z/
CLARK IL-EDGAR IL-
623 PM CDT FRI SEP 7 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN EDGAR AND
NORTHERN CLARK COUNTIES UNTIL 645 PM CDT...

AT 621 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 5 MILES NORTH OF CLARKSVILLE...OR 10 MILES
SOUTHWEST OF PARIS...MOVING SOUTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  MARSHALL...CLARKSVILLE...OLIVER...DENNISON AND BELL RIDGE.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 138 AND 154.

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 3935 8754 3933 8755 3934 8758 3932 8760
      3941 8800 3959 8788 3954 8752 3935 8752
TIME...MOT...LOC 2323Z 298DEG 39KT 3951 8780

$$

BARKER

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 7, 9:14 AM CDT	Special Weather Statement	ILX	Tazewell	46 min
Sep 7, 9:26 AM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Tazewell	49 min
Sep 7, 9:48 AM CDT	Special Weather Statement	ILX	Cass	42 min
Sep 7, 11:30 AM CDT	Special Weather Statement	ILX	Champaign	60 min
Sep 7, 12:08 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	18 min
Sep 7, 1:50 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	40 min
Sep 7, 2:28 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	37 min
Sep 7, 3:00 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Woodford	41 min
Sep 7, 3:17 PM CDT	Special Weather Statement	ILX	Clark	28 min
Sep 7, 4:40 PM CDT	Special Weather Statement	ILX	Macon, Moultrie	50 min
Sep 7, 5:16 PM CDT	Special Weather Statement	ILX	Douglas, Edgar, Moultrie	59 min
Sep 7, 5:22 PM CDT	Special Weather Statement	ILX	Shelby	53 min
Sep 7, 5:36 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Douglas, Edgar	39 min
Sep 7, 6:12 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas, Edgar	45 min
Sep 7, 6:29 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Cumberland, Effingham, Jasper, Richland, Shelby	61 min
Sep 7, 6:41 PM CDT	Tornado Warning	ILX	Clark, Edgar	34 min

Nearby

Tornado Warnings in Illinois, 2012 Every tornado warning in 2012 Tornadoes in 2012

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.