Alert archive / Illinois / Tornado Warnings in 2018

Tornado Warning 24, NWS Lincoln, IL

December 1, 2018Christian County, Illinois

NWS Lincoln, IL issued this tornado warning at Dec 1, 2018, 4:39 PM CST for Christian County, Illinois. It was in force for 51 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
Dec 1, 2018, 4:39 PM CST (22:39 UTC)
Expired
Dec 1, 2018, 5:30 PM CST
In force
51 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Christian County, IL

The radar

The Lincoln radar (KILX), 80 km from the middle of the area, began a volume at 22:38 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
Dec 1, 4:47 PM CSTTORNADO5 E Harvel, ILNWS SURVEY CREW CONFIRMS AN EF-0 TORNADO. MAX WINDS WERE 80 MPH. PATH LENGTH WAS 0.06 MILES. PATH WIDTH WAS 25 YARDS.
Dec 1, 4:48 PM CSTTORNADO 04 S Morrisonville, ILPATH LENGTH 3.1 MILES, MAXIMUM WIDTH 200 YARDS, PEAK WIND SPEED 80-85 MPH. WAS ON THE GROUND FOR 6 MINUTES, DISSIPATING 2.6 MILES SOUTHEAST OF MORRISONVILLE.
Dec 1, 4:51 PM CSTTORNADOMorrisonville, IL
Dec 1, 5:01 PM CSTTORNADO 33 Ese Morrisonville, IL*** 22 INJ *** PATH LENGTH 12.7 MILES, MAX WIDTH 1/2 MILE, PEAK WIND SPEED 155 MPH. WAS ON THE GROUND FOR 24 MINUTES, AND LIFTED 1.8 MILES NORTH NORTHWEST OF TAYLORVILLE. INJURIES MAINLY OCCURRED IN TAYLORVILLE.
Dec 1, 5:06 PM CSTTORNADO1 E Palmer, ILTORNADO SPOTTED ON THE GROUND
Dec 1, 5:21 PM CSTTORNADOTaylorville, ILMULTIPLE POWER FLASHES REPORTED.

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
Dec 1, 2:16 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.7 hours before the alert went out and 103 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 2018-12-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2018-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 529 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
430 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
529 m²/s²
0-3 km storm-relative helicity
658 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

909 
WFUS53 KILX 012239
TORILX
ILC021-012330-
/O.NEW.KILX.TO.W.0024.181201T2239Z-181201T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
439 PM CST SAT DEC 1 2018

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Southern Christian County in central Illinois...

* Until 530 PM CST.
    
* At 439 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Raymond, or 9 miles north of Hillsboro, moving
  northeast at 35 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...
  Morrisonville around 455 PM CST.
  Taylorville around 520 PM CST.

Other locations impacted by this tornadic thunderstorm include
Willeys, Palmer, Owaneco, Taylorville Airport and Vanderville.

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 3935 8953 3938 8953 3964 8928 3954 8907
      3935 8930
TIME...MOT...LOC 2239Z 217DEG 29KT 3930 8952 

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

$$

Auten
1 follow-up statement
984 
WWUS53 KILX 012254
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
454 PM CST SAT DEC 1 2018

ILC021-012330-
/O.CON.KILX.TO.W.0024.000000T0000Z-181201T2330Z/
Christian-
454 PM CST SAT DEC 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CST FOR SOUTHERN
CHRISTIAN COUNTY...
        
At 453 PM CST, a confirmed large and extremely dangerous tornado was
located over Morrisonville, or 10 miles northwest of Nokomis, moving
northeast at 35 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

The tornado will be near...
  Taylorville around 520 PM CST.

Other locations impacted by this tornadic thunderstorm include
Willeys, Palmer, Owaneco, Taylorville Airport and Vanderville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3935 8953 3938 8953 3964 8928 3954 8907
      3935 8930
TIME...MOT...LOC 2253Z 216DEG 28KT 3939 8943 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

Auten

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 8:09 PM CSTDense Fog AdvisoryILXChampaign, DeWitt, McLean, Piatt, Vermilion, Woodford8 hr
Dec 1, 9:45 AM CSTRiver Flood WarningILXFulton, Knox3 days
Dec 1, 12:39 PM CSTDense Fog AdvisoryILXFulton, Knox, Stark4 hr
Dec 1, 2:21 PM CSTSevere Thunderstorm WarningILXSchuyler39 min
Dec 1, 2:49 PM CSTTornado WarningILXCass, Morgan, Scott41 min
Dec 1, 2:58 PM CSTSevere Thunderstorm WarningILXSchuyler14 min
Dec 1, 3:04 PM CSTTornado WarningILXSchuyler11 min
Dec 1, 3:24 PM CSTTornado WarningILXCass, Mason, Schuyler51 min
Dec 1, 3:47 PM CSTTornado WarningILXFulton, Mason, Schuyler43 min
Dec 1, 3:57 PM CSTTornado WarningILXKnox, Peoria38 min
Dec 1, 4:22 PM CSTTornado WarningILXFulton, Mason, Peoria, Tazewell38 min
Dec 1, 4:37 PM CSTTornado WarningILXChristian38 min
Dec 1, 4:42 PM CSTTornado WarningILXMason48 min
Dec 1, 4:53 PM CSTTornado WarningILXFulton, Peoria37 min
Dec 1, 5:12 PM CSTTornado WarningILXMason, Tazewell48 min
Dec 1, 5:15 PM CSTSevere Thunderstorm WarningILXLogan, Menard, Sangamon45 min
Dec 1, 5:15 PM CSTTornado Warning EmergencyTornado observedCatastrophic damage threatILXChristian30 min
Dec 1, 5:29 PM CSTSevere Thunderstorm WarningILXPeoria46 min
Dec 1, 5:43 PM CSTTornado Warning Tornado observedConsiderable damage threatILXChristian, Macon32 min
Dec 1, 5:46 PM CSTSevere Thunderstorm WarningILXTazewell44 min
Dec 1, 5:54 PM CSTSevere Thunderstorm WarningILXLogan, Menard51 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.