Alert archive / Illinois / Tornado Warnings in 2022

Tornado Warning 8, NWS Lincoln, IL

September 18, 2022Marshall County, Illinois

NWS Lincoln, IL issued this tornado warning at Sep 18, 2022, 10:39 PM CDT for Marshall County, Illinois. It was in force for 36 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
Sep 18, 2022, 10:39 PM CDT (03:39 UTC)
Expired
Sep 18, 2022, 11:15 PM CDT
In force
36 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Marshall County, IL

The radar

The Lincoln radar (KILX), 106 km from the middle of the area, began a volume at 03:41 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.

IssuedProductOfficeLasted
Sep 18, 9:28 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 3.7 hours before the alert went out and 113 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, Davenport, at 00:00Z on 2022-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2099 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, Davenport, at 00:00Z on 2022-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939587897Sfc1 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
2099 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1026 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.9
Supercell composite
7.1

Open this sounding in Storm Lab

The text

As transmitted.

185 
WFUS53 KILX 190339
TORILX
ILC123-190415-
/O.NEW.KILX.TO.W.0008.220919T0339Z-220919T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
1039 PM CDT Sun Sep 18 2022

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Central Marshall County in central Illinois...

* Until 1115 PM CDT.
    
* At 1039 PM CDT, a severe thunderstorm capable of producing a
  tornado was located near Henry, or 8 miles northwest of Lacon,
  moving southeast at 45 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Henry around 1045 PM CDT.
  Lacon and Sparland around 1050 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Varna.

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 4115 8933 4112 8933 4112 8934 4111 8934
      4111 8936 4110 8935 4110 8917 4108 8917
      4092 8932 4115 8959
TIME...MOT...LOC 0339Z 308DEG 37KT 4114 8948 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

NMA
2 follow-up statements
920 
WWUS53 KILX 190349
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1049 PM CDT Sun Sep 18 2022

ILC123-190415-
/O.CON.KILX.TO.W.0008.000000T0000Z-220919T0415Z/
Marshall-
1049 PM CDT Sun Sep 18 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR CENTRAL
MARSHALL COUNTY...
    
At 1047 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lacon, moving southeast at 45 mph.

HAZARD...Tornado and quarter size hail.

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.

Locations impacted include...
  Varna.

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 4108 8951 4115 8942 4115 8933 4112 8933
      4112 8934 4111 8934 4111 8936 4110 8935
      4110 8917 4108 8917 4107 8918 4092 8932
TIME...MOT...LOC 0347Z 310DEG 38KT 4107 8939 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

NMA
305 
WWUS53 KILX 190406
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1106 PM CDT Sun Sep 18 2022

ILC123-190416-
/O.EXP.KILX.TO.W.0008.000000T0000Z-220919T0415Z/
Marshall-
1106 PM CDT Sun Sep 18 2022

...THE TORNADO WARNING FOR CENTRAL MARSHALL COUNTY WILL EXPIRE AT
1115 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However small hail
and gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
central Illinois.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.

LAT...LON 4108 8951 4115 8942 4115 8933 4112 8933
      4112 8934 4111 8934 4111 8936 4110 8935
      4110 8917 4108 8917 4107 8918 4092 8932
TIME...MOT...LOC 0406Z 270DEG 37KT 4096 8921 

$$

NMA

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 8:24 PM CDTSevere Thunderstorm WarningILXMarshall, Stark36 min
Sep 18, 10:14 PM CDTSevere Thunderstorm WarningILXMarshall, Stark46 min
Sep 18, 10:30 PM CDTSevere Thunderstorm WarningILXFulton, Peoria, Tazewell, Woodford30 min
Sep 18, 10:46 PM CDTSevere Thunderstorm Warning Considerable damage threatILXMarshall, Peoria, Stark, Woodford44 min
Sep 18, 10:58 PM CDTSevere Thunderstorm WarningILXMcLean, Peoria, Tazewell, Woodford32 min
Sep 18, 11:00 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Scott30 min
Sep 18, 11:26 PM CDTSevere Thunderstorm WarningILXMcLean, Marshall, Woodford34 min
Sep 18, 11:27 PM CDTSevere Thunderstorm WarningILXMorgan, Scott33 min
Sep 18, 11:41 PM CDTSevere Thunderstorm WarningILXMcLean34 min
Sep 19, 12:00 AM CDTSevere Thunderstorm WarningILXMcLean, Tazewell, Woodford30 min
Sep 19, 12:10 AM CDTSevere Thunderstorm WarningILXChampaign, DeWitt, McLean, Piatt50 min
Sep 19, 12:29 AM CDTSevere Thunderstorm WarningILXCass, Fulton, Mason, Menard, Schuyler46 min
Sep 19, 12:34 AM CDTTornado WarningILXDeWitt, McLean, Piatt26 min
Sep 19, 12:45 AM CDTAreal Flood AdvisoryILXMcLean2 hr
Sep 19, 12:50 AM CDTSevere Thunderstorm WarningILXCass, Morgan, Schuyler25 min
Sep 19, 12:54 AM CDTSevere Thunderstorm WarningILXChampaign, DeWitt, McLean, Piatt51 min
Sep 19, 1:15 AM CDTSevere Thunderstorm WarningILXCass, Morgan, Sangamon, Scott45 min
Sep 19, 1:21 AM CDTSevere Thunderstorm WarningILXChampaign, Douglas, Edgar, Vermilion39 min
Sep 19, 1:41 AM CDTAreal Flood AdvisoryILXChampaign2 hr
Sep 19, 1:47 AM CDTAreal Flood AdvisoryILXMorgan118 min
Sep 19, 1:53 AM CDTSevere Thunderstorm WarningILXChampaign, Coles, Douglas, Edgar, Vermilion52 min
Sep 19, 2:37 AM CDTSpecial Weather StatementILXMorgan23 min
Sep 19, 3:52 AM CDTSevere Thunderstorm WarningILXCass, Mason, Schuyler38 min
Sep 19, 4:28 AM CDTSpecial Weather StatementILXClay, Effingham, Jasper, Richland32 min
Sep 19, 5:19 AM CDTFlash Flood WarningILXChristian, Menard, Sangamon2 hr
Sep 19, 5:55 AM CDTSpecial Weather StatementILXRichland35 min

Nearby

Tornado Warnings in Illinois, 2022Every tornado warning in 2022Tornadoes in 2022

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.