Alert archive / Illinois / Tornado Warnings in 2018

Tornado Warning 19, NWS Lincoln, IL

December 1, 2018Cass County, Mason County, Schuyler County, Illinois

NWS Lincoln, IL issued this tornado warning at Dec 1, 2018, 3:24 PM CST for Cass County, Mason County, Schuyler 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, 3:24 PM CST (21:24 UTC)
Expired
Dec 1, 2018, 4:15 PM CST
In force
51 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Cass County, IL, Mason County, IL, Schuyler County, IL

The radar

The Lincoln radar (KILX), 88 km from the middle of the area, began a volume at 21:28 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, 3:25 PM CSTFUNNEL CLOUDBeardstown, IL
Dec 1, 3:25 PM CSTTORNADO 11 Se Beardstown, ILPATH LENGTH 4.3 MILES, MAX WIDTH 200 YARDS, PEAK WIND SPEED 100 MPH. MINOR STRUCTURE DAMAGE. TREES AND POWER LINES REPORTED DOWN. DAMAGE TO WATER PLANT. TORNADO LIFTED 4 MILES NORTHEAST OF BEARDSTOWN, AND WAS ON THE GROUND FOR 8 MINUTES.
Dec 1, 3:25 PM CSTTORNADOE Beardstown, ILMINOR STRUCTURE DAMAGE. TREES AND POWER LINES REPORTED DOWN. DAMAGE TO WATER PLANT.
Dec 1, 3:31 PM CSTTORNADO2 N Beardstown, ILBETWEEN BEARDSTOWN AND FREDERICK HEADING TOWARDS BROWNING.
Dec 1, 3:44 PM CSTTORNADOBrowning, ILBRIEF TOUCHDOWN NEAR BROWNING HEADING INTO CASS COUNTY.
Dec 1, 3:51 PM CSTTORNADO 12 Sw Bluff City, ILPATH LENGTH 15.9 MILES, MAXIMUM WIDTH 450 YARDS, PEAK WIND SPEED 105 MPH. WAS ON THE GROUND FOR 27 MINUTES, AND LIFTED 2.3 MILES SOUTHEAST OF LEWISTOWN.

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, 9.4 hours before the alert went out and 151 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.

997 
WFUS53 KILX 012124
TORILX
ILC017-125-169-012215-
/O.NEW.KILX.TO.W.0019.181201T2124Z-181201T2215Z/

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

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Northwestern Cass County in west central Illinois...
  Southeastern Schuyler County in west central Illinois...
  Southwestern Mason County in central Illinois...

* Until 415 PM CST.
    
* At 324 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Beardstown, moving northeast at 30 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...
  Browning around 345 PM CST.

Other locations impacted by this tornadic thunderstorm include
Frederick, Snicarte and Bluff City.

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 4019 9042 4018 9009 3993 9041 3996 9052
TIME...MOT...LOC 2124Z 208DEG 28KT 3999 9046 

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

$$

Barnes
2 follow-up statements
492 
WWUS53 KILX 012136
SVSILX

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

ILC017-125-169-012215-
/O.CON.KILX.TO.W.0019.000000T0000Z-181201T2215Z/
Cass-Schuyler-Mason-
336 PM CST SAT DEC 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR NORTH
CENTRAL CASS...SOUTHEASTERN SCHUYLER AND SOUTHWESTERN MASON
COUNTIES...
    
At 335 PM CST, a confirmed tornado was located between Beardstown 
and Frederick, moving northeast at 30 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Emergency management confirmed tornado.

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 tornado will be near...
  Browning around 345 PM CST.

Other locations impacted by this tornadic thunderstorm include
Frederick, Snicarte and Bluff City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4019 9042 4018 9009 3999 9033 4002 9049
TIME...MOT...LOC 2135Z 209DEG 26KT 4006 9041 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Barnes
360 
WWUS53 KILX 012150
SVSILX

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

ILC017-012158-
/O.CAN.KILX.TO.W.0019.000000T0000Z-181201T2215Z/
Cass-
350 PM CST SAT DEC 1 2018

...THE TORNADO WARNING FOR NORTH CENTRAL CASS COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 700 PM CST for central and
west central Illinois.

LAT...LON 4011 9018 4015 9041 4019 9040 4018 9009
TIME...MOT...LOC 2148Z 208DEG 28KT 4015 9034 

$$

ILC125-169-012215-
/O.CON.KILX.TO.W.0019.000000T0000Z-181201T2215Z/
Schuyler-Mason-
350 PM CST SAT DEC 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CST FOR EAST
CENTRAL SCHUYLER AND SOUTHWESTERN MASON COUNTIES...
    
At 348 PM CST, a confirmed tornado was located over Browning, or 10
miles northeast of Beardstown, moving northeast at 30 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Emergency management confirmed tornado.

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 tornadic thunderstorm will remain over mainly rural areas of
east central Schuyler and southwestern Mason Counties, including the
following locations... Bluff City and Snicarte.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4011 9018 4015 9041 4019 9040 4018 9009
TIME...MOT...LOC 2148Z 208DEG 28KT 4015 9034 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Barnes

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, 3:47 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, 4:39 PM CSTTornado WarningILXChristian51 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.