Alert archive / Illinois / Tornado Warnings in 2021

Tornado Warning 29, NWS Lincoln, IL

June 26, 2021Champaign County, Douglas County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 26, 2021, 6:03 PM CDT for Champaign County, Douglas County, Illinois. It was in force for 27 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: Jun 26, 2021, 6:03 PM CDT (23:03 UTC)
Expired: Jun 26, 2021, 6:30 PM CDT
In force: 27 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Champaign County, IL, Douglas County, IL

The radar

The Lincoln radar (KILX), 101 km from the middle of the area, began a volume at 23:03 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
Jun 26, 6:22 PM CDT	FUNNEL CLOUD	3 Sw Sidney, IL

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.

Issued	Product	Office	Lasted
Jun 26, 12:05 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.1 hours before the alert went out and 46 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: 683 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 684 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 229 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

As transmitted.

129 
WFUS53 KILX 262303
TORILX
ILC019-041-262330-
/O.NEW.KILX.TO.W.0029.210626T2303Z-210626T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
603 PM CDT Sat Jun 26 2021

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  South central Champaign County in east central Illinois...
  Northern Douglas County in east central Illinois...

* Until 630 PM CDT.
    
* At 603 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Atwood, or near Tuscola, moving northeast 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...
  Pesotum around 615 PM CDT.
  Villa Grove around 620 PM CDT.

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

This includes Interstate 57 between mile markers 208 and 223.
 
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 3981 8796 3973 8836 3985 8846 3987 8846
      4004 8812
TIME...MOT...LOC 2303Z 237DEG 34KT 3984 8839 

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

$$

Barnes

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 7:21 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Tazewell	39 min
Jun 25, 7:33 PM CDT	Special Weather Statement	ILX	McLean	42 min
Jun 25, 7:38 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Scott	67 min
Jun 25, 7:53 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Tazewell	67 min
Jun 25, 8:16 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard, Morgan, Sangamon	44 min
Jun 25, 8:29 PM CDT	Tornado Warning	ILX	McLean	30 min
Jun 25, 8:49 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean, Macon, Piatt	41 min
Jun 25, 8:54 PM CDT	Flash Flood Warning	ILX	DeWitt, Logan, McLean, Mason, Tazewell	6 hr
Jun 25, 9:05 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Menard, Tazewell	25 min
Jun 25, 9:47 PM CDT	Flash Flood Warning	ILX	Morgan, Scott	6 hr
Jun 25, 9:59 PM CDT	Flash Flood Warning	ILX	DeWitt, McLean, Piatt	5 hr
Jun 25, 10:18 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Coles, DeWitt, Douglas, Macon, Moultrie and 1 more	27 min
Jun 26, 2:34 AM CDT	Areal Flood Warning	ILX	DeWitt, Logan, McLean, Mason, Piatt, Tazewell	61 hr
Jun 26, 6:03 AM CDT	River Flood Warning	ILX	Piatt	8 days
Jun 26, 9:44 AM CDT	River Flood Warning	ILX	Mason, Menard	4 days
Jun 26, 12:21 PM CDT	Tornado Warning	ILX	McLean	24 min
Jun 26, 1:24 PM CDT	Tornado Warning	ILX	Morgan, Scott	36 min
Jun 26, 1:53 PM CDT	Tornado Warning	ILX	Morgan	37 min
Jun 26, 2:17 PM CDT	Tornado Warning	ILX	Morgan, Sangamon	28 min
Jun 26, 2:38 PM CDT	Tornado Warning	ILX	McLean, Woodford	37 min
Jun 26, 3:12 PM CDT	Tornado Warning	ILX	McLean	33 min
Jun 26, 3:19 PM CDT	Tornado Warning	ILX	Logan, Sangamon	26 min
Jun 26, 3:25 PM CDT	Flash Flood Warning	ILX	DeWitt, Logan, McLean, Macon, Mason, Menard and 3 more	4 hr
Jun 26, 3:33 PM CDT	Severe Thunderstorm Warning	ILX	Logan	27 min
Jun 26, 3:37 PM CDT	Tornado Warning	ILX	McLean	23 min
Jun 26, 3:39 PM CDT	Tornado Warning	ILX	Logan, Sangamon	36 min
Jun 26, 4:04 PM CDT	Tornado Warning	ILX	DeWitt	26 min
Jun 26, 4:43 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, DeWitt, McLean, Piatt	32 min
Jun 26, 5:16 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, DeWitt, McLean, Piatt	44 min
Jun 26, 5:47 PM CDT	Tornado Warning	ILX	Douglas, Moultrie, Piatt	43 min
Jun 26, 5:50 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	40 min
Jun 26, 6:24 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Edgar, Vermilion	81 min

Nearby

Tornado Warnings in Illinois, 2021 Every tornado warning in 2021 Tornadoes in 2021

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.