Alert archive / Illinois / Tornado Warnings in 2012

Tornado Warning 5, NWS Lincoln, IL

March 23, 2012Clay County, Illinois

NWS Lincoln, IL issued this tornado warning at Mar 23, 2012, 2:53 PM CDT for Clay County, Illinois. It was in force for 24 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, 2:53 PM CDT (19:53 UTC)
Expired: Mar 23, 2012, 3:17 PM CDT
In force: 24 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

County Clay County, IL

The radar

The Evansville,IN radar (KVWX), 80 km from the middle of the area, began a volume at 19:53 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, 7.9 hours before the alert went out and 159 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.

713 
WFUS53 KILX 231953
TORILX
ILC025-232030-
/O.NEW.KILX.TO.W.0005.120323T1953Z-120323T2030Z/

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN CLAY COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 330 PM CDT.

* AT 249 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 
  NEAR JOHNSONVILLE IN WAYNE COUNTY...OR 8 MILES SOUTHWEST OF FLORA. 
  A TORNADO MAY DEVELOP AT ANY TIME. DOPPLER RADAR SHOWED THIS 
  DANGEROUS STORM MOVING NORTHEAST AT 40 MPH. THIS STORM ALSO 
  PRODUCED NICKEL SIZE HAIL.

* LOCATIONS IMPACTED INCLUDE...
  FLORA...CLAY CITY...SAILOR SPRINGS...INGAHAM AND WENDELIN.

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 3861 8859 3885 8846 3885 8826 3883 8826
      3860 8836
TIME...MOT...LOC 1953Z 209DEG 35KT 3860 8851

$$

GEELHART

2 follow-up statements

403 
WWUS53 KILX 232008
SVSILX

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

ILC025-232030-
/O.CON.KILX.TO.W.0005.000000T0000Z-120323T2030Z/
CLAY IL-
308 PM CDT FRI MAR 23 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN CLAY COUNTY UNTIL
330 PM CDT...

AT 307 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR CLAY CITY...OR 5 MILES NORTHEAST OF FLORA...
MOVING NORTHEAST AT 40 MPH. THIS STORM IS ALSO CAPABLE OF PRODUCING
HAIL UP TO THE SIZE OF QUARTERS.

LOCATIONS IMPACTED INCLUDE...
  SAILOR SPRINGS...INGAHAM AND WENDELIN.

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 3865 8857 3885 8846 3885 8826 3883 8826
      3861 8835
TIME...MOT...LOC 2008Z 209DEG 35KT 3873 8840

$$
GEELHART

145 
WWUS53 KILX 232017
SVSILX

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

ILC025-232026-
/O.CAN.KILX.TO.W.0005.000000T0000Z-120323T2030Z/
CLAY IL-
317 PM CDT FRI MAR 23 2012

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

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7 PM. 

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

LAT...LON 3865 8857 3885 8846 3885 8826 3883 8826
      3861 8835
TIME...MOT...LOC 2016Z 209DEG 35KT 3880 8835

$$
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, 2:28 PM CDT	Tornado Warning	ILX	Clay, Effingham	30 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, 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.