Alert archive / Illinois / Tornado Warnings in 2012

Tornado Warning 4, NWS Lincoln, IL

March 23, 2012Clay County, Effingham County, Illinois

NWS Lincoln, IL issued this tornado warning at Mar 23, 2012, 2:28 PM CDT for Clay County, Effingham County, Illinois. It was in force for 30 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: Mar 23, 2012, 2:28 PM CDT (19:28 UTC)
Expired: Mar 23, 2012, 2:58 PM CDT
In force: 30 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

Counties Clay County, IL, Effingham County, IL

The radar

The Evansville,IN radar (KVWX), 106 km from the middle of the area, began a volume at 19:30 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
Mar 23, 11:44 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.5 hours before the alert went out and 140 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: 808 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 57 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.

587 
WFUS53 KILX 231928
TORILX
ILC025-049-232015-
/O.NEW.KILX.TO.W.0004.120323T1928Z-120323T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
228 PM CDT FRI MAR 23 2012

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHERN EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 315 PM CDT.

* AT 226 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR IOLA...OR 13 MILES NORTHWEST OF FLORA...AND
  MOVING NORTHEAST AT 30 MPH. THIS STORM HAS A HISTORY OF PRODUCING
  TORNADO TOUCHDOWNS ACROSS MARION COUNTY.

* LOCATIONS IMPACTED INCLUDE...
  IOLA...EDGEWOOD...WATSON...HORD...MASON AND ELLIOTSTOWN.

THIS INCLUDES INTERSTATE 57 BETWEEN MILE MARKERS 142 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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN LINCOLN.

&&

LAT...LON 3876 8870 3891 8870 3891 8873 3892 8874
      3905 8869 3905 8837 3875 8856
TIME...MOT...LOC 1928Z 206DEG 28KT 3882 8866

$$

GEELHART

2 follow-up statements

252 
WWUS53 KILX 231945
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
245 PM CDT FRI MAR 23 2012

ILC025-049-232015-
/O.CON.KILX.TO.W.0004.000000T0000Z-120323T2015Z/
CLAY IL-EFFINGHAM IL-
245 PM CDT FRI MAR 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN EFFINGHAM AND
NORTHWESTERN CLAY COUNTIES UNTIL 315 PM CDT...

AT 245 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR IOLA...OR 16 MILES NORTHWEST OF FLORA...MOVING
NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  EDGEWOOD...WATSON AND MASON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN LINCOLN.

&&

LAT...LON 3878 8861 3879 8870 3891 8870 3891 8873
      3892 8874 3905 8869 3905 8842
TIME...MOT...LOC 1945Z 205DEG 24KT 3889 8862

$$

GEELHART

235 
WWUS53 KILX 231958
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
258 PM CDT FRI MAR 23 2012

ILC025-049-232008-
/O.CAN.KILX.TO.W.0004.000000T0000Z-120323T2015Z/
CLAY IL-EFFINGHAM IL-
258 PM CDT FRI MAR 23 2012

...THE TORNADO WARNING FOR SOUTHERN EFFINGHAM AND NORTHWESTERN CLAY
COUNTIES IS CANCELLED...

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

A TORNADO WARNING IS IN EFFECT FOR EASTERN CLAY COUNTY UNTIL 
330 PM.  ADDITIONALLY...A SEVERE THUNDERSTORM WATCH REMAINS IN 
EFFECT FOR CLAY AND EFFINGHAM COUNTIES UNTIL 7 PM.

LAT...LON 3878 8861 3879 8870 3891 8870 3891 8873
      3892 8874 3905 8869 3905 8842
TIME...MOT...LOC 1958Z 205DEG 24KT 3897 8857

$$

GEELHART

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 1:11 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Effingham, Shelby	29 min
Mar 23, 1:33 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Moultrie	42 min
Mar 23, 2:08 PM CDT	Tornado Warning	ILX	Clay	27 min
Mar 23, 2:12 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas	35 min
Mar 23, 2:14 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	31 min
Mar 23, 2:33 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	37 min
Mar 23, 2:39 PM CDT	Severe Thunderstorm Warning	ILX	Crawford, Jasper, Lawrence, Richland	22 min
Mar 23, 2:44 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	46 min
Mar 23, 2:53 PM CDT	Tornado Warning	ILX	Clay	24 min
Mar 23, 3:26 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Edgar	34 min
Mar 23, 3:28 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	17 min
Mar 23, 3:35 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	38 min
Mar 23, 3:42 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	25 min
Mar 23, 3:44 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	31 min
Mar 23, 4:08 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	26 min
Mar 23, 4:29 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Marshall, Woodford	34 min
Mar 23, 4:31 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.