Alert archive / Illinois / Tornado Warnings in 2018

Tornado Warning 4, NWS Lincoln, IL

June 10, 20184 counties in Illinois

NWS Lincoln, IL issued this tornado warning at Jun 10, 2018, 1:56 PM CDT for 4 counties in Illinois. It was in force for 34 min. 6 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
Jun 10, 2018, 1:56 PM CDT (18:56 UTC)
Expired
Jun 10, 2018, 2:30 PM CDT
In force
34 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Champaign County, IL, DeWitt County, IL, McLean County, IL, Piatt County, IL

The radar

The Lincoln radar (KILX), 72 km from the middle of the area, began a volume at 18:58 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
Jun 10, 2:05 PM CDTTSTM WND DMGMansfield, ILNUMEROUS TREES REPORTED DOWN.
Jun 10, 2:07 PM CDTTSTM WND DMG1 W Farmer City, ILREPORT OF TREE DOWN ON POWER LINES AND A HOUSE.
Jun 10, 2:10 PM CDTTSTM WND GST 60Mahomet, IL
Jun 10, 2:16 PM CDTTORNADO3 Sw Champaign, ILSURVEY DETERMINED AN EF0 TORNADO DEVELOPED NEAR COPPER RIDGE ROAD, ON THE SOUTHWEST SIDE OF CHAMPAIGN. THE TORNADO DAMAGED ROOFS, A SHED, FENCING AND TREES. IT DISSIPATED AFTER 0.1 OF A MILE.
Jun 10, 2:20 PM CDTTSTM WND DMGThomasboro, ILLARGE TREE LIMBS BLOWN DOWN
Jun 10, 2:25 PM CDTTSTM WND DMG3 Sw Champaign, ILREPORTS OF NUMEROUS TREES AND POWER LINES DOWNED. AS WELL AS SOME DAMAGE TO HOUSES.

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
Jun 10, 12:46 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.9 hours before the alert went out and 11 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 12:00Z on 2018-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 585 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 12:00Z on 2018-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 362 square meters per square second.193958Sfc1 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
585 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
362 m²/s²
0-3 km storm-relative helicity
382 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.2

Open this sounding in Storm Lab

The text

As transmitted.

239 
WFUS53 KILX 101856
TORILX
ILC019-039-113-147-101930-
/O.NEW.KILX.TO.W.0004.180610T1856Z-180610T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
156 PM CDT SUN JUN 10 2018

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Northeastern Piatt County in central Illinois...
  Northeastern De Witt County in central Illinois...
  Southeastern McLean County in central Illinois...
  Northwestern Champaign County in east central Illinois...

* Until 230 PM CDT
    
* At 156 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Farmer City, or 16 miles southwest of Gibson City,
  moving southeast at 40 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Mansfield around 205 PM CDT. 
  Mahomet around 210 PM CDT. 
  Bondville, Lake Of The Woods and Seymour around 215 PM CDT. 
  Champaign around 220 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Galesville.

This includes the following highways...
 Interstate 57 between mile markers 234 and 247.
 Interstate 72 between mile markers 171 and 182.
 Interstate 74 between mile markers 158 and 180.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4024 8868 4033 8857 4027 8814 3999 8840
TIME...MOT...LOC 1856Z 302DEG 37KT 4027 8856 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

25
1 follow-up statement
147 
WWUS53 KILX 101921
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
221 PM CDT SUN JUN 10 2018

ILC019-039-113-147-101930-
/O.EXP.KILX.TO.W.0004.000000T0000Z-180610T1930Z/
Piatt-De Witt-McLean-Champaign-
221 PM CDT SUN JUN 10 2018

...THE TORNADO WARNING FOR NORTHEASTERN PIATT...NORTHEASTERN DE
WITT...SOUTHEASTERN MCLEAN AND NORTHWESTERN CHAMPAIGN COUNTIES WILL
EXPIRE AT 230 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for portions of Champaign 
and Piatt counties.  

A severe thunderstorm watch remains in effect until 800 PM CDT for
central and east central Illinois.

LAT...LON 4024 8868 4033 8857 4027 8814 3999 8840
TIME...MOT...LOC 1920Z 302DEG 37KT 4014 8829 

$$

25

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 2:06 AM CDTSevere Thunderstorm WarningILXFulton, Knox, Marshall, Peoria, Stark39 min
Jun 10, 2:43 AM CDTSevere Thunderstorm WarningILXMcLean, Marshall, Tazewell, Woodford47 min
Jun 10, 3:29 AM CDTSevere Thunderstorm WarningILXMcLean46 min
Jun 10, 4:00 AM CDTSevere Thunderstorm WarningILXChampaign45 min
Jun 10, 9:11 AM CDTSpecial Weather StatementILXLogan49 min
Jun 10, 12:48 PM CDTSevere Thunderstorm WarningILXFulton, Logan, Mason, Peoria, Tazewell27 min
Jun 10, 1:12 PM CDTSevere Thunderstorm WarningILXDeWitt, Logan, McLean, Mason, Menard, Tazewell48 min
Jun 10, 1:16 PM CDTTornado WarningILXMcLean29 min
Jun 10, 1:37 PM CDTSevere Thunderstorm WarningILXChampaign, DeWitt, McLean, Piatt38 min
Jun 10, 1:52 PM CDTSevere Thunderstorm WarningILXCass, Mason, Menard38 min
Jun 10, 2:07 PM CDTSevere Thunderstorm WarningILXEffingham, Shelby38 min
Jun 10, 2:12 PM CDTSevere Thunderstorm WarningILXChampaign, Douglas, Macon, Moultrie, Piatt48 min
Jun 10, 2:15 PM CDTSevere Thunderstorm WarningILXChampaign, Piatt, Vermilion45 min
Jun 10, 2:26 PM CDTSevere Thunderstorm WarningILXMenard, Sangamon37 min
Jun 10, 2:38 PM CDTTornado WarningILXChampaign, Douglas, Edgar, Vermilion52 min
Jun 10, 3:00 PM CDTSevere Thunderstorm WarningILXClark, Coles, Cumberland, Douglas, Edgar45 min
Jun 10, 3:13 PM CDTFlash Flood WarningILXVermilion3 hr
Jun 10, 3:13 PM CDTSevere Thunderstorm WarningILXClark, Crawford, Cumberland, Jasper62 min
Jun 10, 3:51 PM CDTSevere Thunderstorm WarningILXCrawford, Jasper54 min
Jun 10, 4:41 PM CDTSevere Thunderstorm WarningILXCass38 min
Jun 10, 4:43 PM CDTSevere Thunderstorm WarningILXEffingham, Shelby20 min
Jun 10, 5:39 PM CDTSevere Thunderstorm WarningILXChristian, Shelby35 min
Jun 10, 6:18 PM CDTSpecial Weather StatementILXChristian42 min

Nearby

Tornado Warnings in Illinois, 2018Every tornado warning in 2018Tornadoes in 2018

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.