Alert archive / Illinois / Tornado Warnings in 2023

Tornado Warning 4, NWS Lincoln, IL

January 3, 2023DeWitt County, Illinois

NWS Lincoln, IL issued this tornado warning at Jan 3, 2023, 4:40 PM CST for DeWitt County, Illinois. It was in force for 35 min. 1 report 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: Jan 3, 2023, 4:40 PM CST (22:40 UTC)
Expired: Jan 3, 2023, 5:15 PM CST
In force: 35 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Observed
Hail: 1.0 in

County DeWitt County, IL

The radar

The Lincoln radar (KILX), 49 km from the middle of the area, began a volume at 22:43 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

Time	Report	Where	Remark
Jan 3, 5:07 PM CST	HAIL 1.75	4 Ne De Witt, IL	LATE REPORT. PICTURE OF HAIL RECEIVED FROM BROADCAST MEDIA. TIME ESTIMATED BASED ON RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.7 hours before the alert went out and 14 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 541 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 231 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

133 
WFUS53 KILX 032240
TORILX
ILC039-032315-
/O.NEW.KILX.TO.W.0004.230103T2240Z-230103T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
440 PM CST Tue Jan 3 2023

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Central De Witt County in central Illinois...

* Until 515 PM CST.

* At 439 PM CST, a confirmed tornado was located over Maroa, or near
  Clinton, moving northeast at 25 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.

* Locations impacted include...
  Weldon and Farmer 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 4014 8869 4010 8869 4010 8874 4006 8875
      4005 8901 4006 8901 4028 8876 4028 8869
      4021 8863
TIME...MOT...LOC 2239Z 237DEG 23KT 4006 8894 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

37

2 follow-up statements

632 
WWUS53 KILX 032306
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
506 PM CST Tue Jan 3 2023

ILC039-032315-
/O.CON.KILX.TO.W.0004.000000T0000Z-230103T2315Z/
De Witt-
506 PM CST Tue Jan 3 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CST FOR
NORTHEASTERN DE WITT COUNTY...
    
At 505 PM CST, a confirmed tornado was located over Weldon, or 11
miles east of Clinton, moving northeast at 25 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.

Locations impacted include...
Farmer City and De Witt. 

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 4012 8871 4017 8884 4028 8876 4028 8869
      4021 8863
TIME...MOT...LOC 2305Z 237DEG 23KT 4015 8875 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

37

282 
WWUS53 KILX 032316
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
516 PM CST Tue Jan 3 2023

ILC039-032326-
/O.EXP.KILX.TO.W.0004.000000T0000Z-230103T2315Z/
De Witt-
516 PM CST Tue Jan 3 2023

...THE TORNADO WARNING FOR NORTHEASTERN DE WITT COUNTY HAS EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been allowed to expire.

LAT...LON 4012 8871 4017 8884 4028 8876 4028 8869
      4021 8863
TIME...MOT...LOC 2316Z 237DEG 23KT 4018 8869 

$$

37

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 3, 5:37 AM CST	Dense Fog Advisory	ILX	Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more	7 hr
Jan 3, 11:13 AM CST	Special Weather Statement	ILX	Knox	17 min
Jan 3, 11:42 AM CST	Special Weather Statement	ILX	Stark	18 min
Jan 3, 3:46 PM CST	Special Weather Statement	ILX	Macon	14 min
Jan 3, 3:52 PM CST	Tornado Warning Tornado observed	ILX	Logan, Macon, Sangamon	23 min
Jan 3, 4:10 PM CST	Tornado Warning Tornado observed	ILX	DeWitt, Logan, Macon	35 min
Jan 3, 4:21 PM CST	Special Weather Statement	ILX	Christian	24 min
Jan 3, 4:26 PM CST	Tornado Warning	ILX	Christian, Sangamon	34 min
Jan 3, 4:41 PM CST	Tornado Warning Tornado observed	ILX	Logan	17 min
Jan 3, 4:49 PM CST	Special Weather Statement	ILX	Christian	26 min
Jan 3, 4:54 PM CST	Tornado Warning	ILX	Christian, Macon	36 min
Jan 3, 5:31 PM CST	Special Weather Statement	ILX	McLean	14 min
Jan 3, 5:37 PM CST	Tornado Warning	ILX	Champaign, McLean	23 min
Jan 3, 5:42 PM CST	Special Weather Statement	ILX	Macon	18 min
Jan 3, 5:54 PM CST	Tornado Warning	ILX	Macon	26 min

Nearby

Tornado Warnings in Illinois, 2023 Every tornado warning in 2023 Tornadoes in 2023

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.