Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 24, NWS Lincoln, IL

April 19, 20114 counties in Illinois

NWS Lincoln, IL issued this tornado warning at Apr 19, 2011, 9:46 PM CDT for 4 counties in Illinois. It was in force for 44 min. 3 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
Apr 19, 2011, 9:46 PM CDT (02:46 UTC)
Expired
Apr 19, 2011, 10:30 PM CDT
In force
44 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

Counties Crawford County, IL, Jasper County, IL, Lawrence County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 75 km from the middle of the area, began a volume at 02:49 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

TimeReportWhereRemark
Apr 19, 10:05 PM CDTHAIL 0.88Oblong, IL
Apr 19, 10:10 PM CDTTSTM WND DMGRobinson, IL6 TREES DOWN...ONE ON A HOUSE. ALSO SEVERAL LARGE LIMBS DOWN.
Apr 19, 10:10 PM CDTHAIL 0.88Robinson, 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.

IssuedProductOfficeLasted
Apr 19, 1:00 PM CDTTornado WatchSPC10 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.8 hours before the alert went out and 152 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 2011-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2409 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 370 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
2409 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
370 m²/s²
0-3 km storm-relative helicity
547 m²/s²
Significant tornado parameter
0.0
Supercell composite
24.4

Open this sounding in Storm Lab

The text

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

625 
WFUS53 KILX 200246
TORILX
ILC033-079-101-159-200330-
/O.NEW.KILX.TO.W.0024.110420T0246Z-110420T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
946 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS...
  SOUTHEASTERN JASPER COUNTY IN SOUTHEAST ILLINOIS...
  NORTHWESTERN LAWRENCE COUNTY IN SOUTHEAST ILLINOIS...
  RICHLAND COUNTY IN SOUTHEAST ILLINOIS...

* UNTIL 1030 PM CDT.

* AT 940 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR NOBLE...OR 7 MILES WEST OF OLNEY...AND
  MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROBINSON...CLAREMONT...DUNDAS...WEST LIBERTY...STE. MARIE...WILLOW
  HILL...CHAUNCEY...HARDINVILLE...OBLONG...BIRDS...NEW HEBRON...FLAT
  ROCK...EATON...PALESTINE...HUTSONVILLE...HUNT CITY...STOY...
  CRAWFORD COUNTY AIRPORT AND TRIMBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3890 8752 3861 8817 3873 8828 3873 8826
      3881 8825 3910 8800 3911 8765 3911 8762
      3909 8762 3907 8757 3900 8757 3897 8752
      3895 8751
TIME...MOT...LOC 0246Z 234DEG 52KT 3876 8811

$$

CHURCHILL
2 follow-up statements
571 
WWUS53 KILX 200306
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1006 PM CDT TUE APR 19 2011

ILC079-159-200315-
/O.CAN.KILX.TO.W.0024.000000T0000Z-110420T0330Z/
JASPER IL-RICHLAND IL-
1006 PM CDT TUE APR 19 2011

...THE TORNADO WARNING FOR RICHLAND AND SOUTHEASTERN JASPER COUNTIES
IS CANCELLED...

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

LAT...LON 3890 8752 3873 8791 3909 8793 3911 8762
      3909 8762 3907 8757 3900 8757 3898 8755
      3897 8752 3895 8751
TIME...MOT...LOC 0305Z 234DEG 52KT 3897 8777

$$

ILC033-101-200330-
/O.CON.KILX.TO.W.0024.000000T0000Z-110420T0330Z/
LAWRENCE IL-CRAWFORD IL-
1006 PM CDT TUE APR 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CRAWFORD AND NORTHWESTERN
LAWRENCE COUNTIES UNTIL 1030 PM CDT...

AT 1000 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR HARDINVILLE...OR 8 MILES SOUTHWEST OF
ROBINSON...MOVING NORTHEAST AT 60 MPH. THIS POSSIBLE TORNADO WAS
EMBEDDED WITHIN A SQUALL LINE...AND OTHER TORNADOES WILL BE 
POSSIBLE TO THE NORTH AND SOUTH ALONG THE LINE.

LOCATIONS IMPACTED INCLUDE...
  ROBINSON...FLAT ROCK...EATON...PALESTINE...HUTSONVILLE...CRAWFORD
  COUNTY AIRPORT AND TRIMBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3890 8752 3873 8791 3909 8793 3911 8762
      3909 8762 3907 8757 3900 8757 3898 8755
      3897 8752 3895 8751
TIME...MOT...LOC 0305Z 234DEG 52KT 3897 8777

$$

CHURCHILL
185 
WWUS53 KILX 200324
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1024 PM CDT TUE APR 19 2011

ILC033-101-200334-
/O.EXP.KILX.TO.W.0024.000000T0000Z-110420T0330Z/
LAWRENCE IL-CRAWFORD IL-
1024 PM CDT TUE APR 19 2011

...THE TORNADO WARNING FOR CRAWFORD AND NORTHWESTERN LAWRENCE
COUNTIES WILL EXPIRE AT 1030 PM CDT...

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

LAT...LON 3890 8752 3873 8791 3909 8793 3911 8762
      3909 8762 3907 8757 3900 8757 3898 8755
      3897 8752 3895 8751
TIME...MOT...LOC 0324Z 234DEG 52KT 3913 8748

$$

CHURCHILL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 7:00 PM CDTTornado WarningILXColes, Douglas, Moultrie, Piatt, Shelby45 min
Apr 19, 7:02 PM CDTFlash Flood WarningILXChristian, Shelby6 hr
Apr 19, 7:08 PM CDTFlash Flood WarningILXMarshall, Peoria, Stark, Tazewell, Woodford6 hr
Apr 19, 7:15 PM CDTTornado WarningILXShelby45 min
Apr 19, 7:17 PM CDTTornado WarningILXChampaign, Piatt28 min
Apr 19, 7:26 PM CDTFlash Flood WarningILXColes, Moultrie, Shelby6 hr
Apr 19, 7:26 PM CDTTornado WarningILXChampaign, Coles, Douglas34 min
Apr 19, 7:45 PM CDTSevere Thunderstorm WarningILXVermilion30 min
Apr 19, 7:46 PM CDTSevere Thunderstorm WarningILXEdgar29 min
Apr 19, 7:49 PM CDTSevere Thunderstorm WarningILXChampaign26 min
Apr 19, 7:56 PM CDTSevere Thunderstorm WarningILXClark, Coles, Cumberland, Effingham, Shelby49 min
Apr 19, 8:10 PM CDTTornado WarningILXVermilion20 min
Apr 19, 8:13 PM CDTSevere Thunderstorm WarningILXEdgar47 min
Apr 19, 8:14 PM CDTFlash Flood WarningILXColes, Cumberland, Douglas6 hr
Apr 19, 8:33 PM CDTFlash Flood WarningILXClark, Coles, Edgar6 hr
Apr 19, 8:46 PM CDTSevere Thunderstorm WarningILXClark, Crawford, Cumberland, Jasper59 min
Apr 19, 8:52 PM CDTTornado WarningILXEffingham, Shelby38 min
Apr 19, 8:56 PM CDTFlash Flood WarningILXEffingham6 hr
Apr 19, 9:13 PM CDTSevere Thunderstorm WarningILXClark, Coles, Cumberland, Edgar47 min
Apr 19, 9:19 PM CDTSevere Thunderstorm WarningILXClay, Effingham, Jasper, Richland41 min
Apr 19, 9:27 PM CDTRiver Flood WarningILXPiatt12 days
Apr 19, 9:40 PM CDTRiver Flood WarningILXClay, Richland18 days
Apr 19, 9:51 PM CDTSevere Thunderstorm WarningILXClark, Crawford, Cumberland, Jasper39 min
Apr 19, 9:53 PM CDTSevere Thunderstorm WarningILXLawrence, Richland27 min
Apr 19, 9:58 PM CDTSevere Thunderstorm WarningILXClark, Edgar17 min
Apr 20, 5:44 AM CDTRiver Flood WarningILXFulton, Knox16 hr

Nearby

Tornado Warnings in Illinois, 2011Every tornado warning in 2011Tornadoes in 2011

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.