Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 128, NWS Lincoln, IL

December 10, 20216 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Dec 10, 2021, 10:24 PM CST for 6 counties in Illinois. It was in force for 35 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: Dec 10, 2021, 10:24 PM CST (04:24 UTC)
Expired: Dec 10, 2021, 10:59 PM CST
In force: 35 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Champaign County, IL, Clark County, IL, Coles County, IL, Douglas County, IL, Edgar County, IL, Vermilion County, IL

The radar

The Indianapolis radar (KIND), 133 km from the middle of the area, began a volume at 04:27 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.

Issued	Product	Office	Lasted
Dec 10, 7:47 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.4 hours before the alert went out and 75 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: 119 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 662 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 341 m²/s²
0-3 km storm-relative helicity: 357 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

974 
WUUS53 KILX 110424
SVRILX
ILC019-023-029-041-045-183-110515-
/O.NEW.KILX.SV.W.0128.211211T0424Z-211211T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
1024 PM CST Fri Dec 10 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Eastern Coles County in east central Illinois...
  Edgar County in east central Illinois...
  Northern Clark County in east central Illinois...
  Vermilion County in east central Illinois...
  Southeastern Champaign County in east central Illinois...
  Eastern Douglas County in east central Illinois...

* Until 1115 PM CST.

* At 1024 PM CST, severe thunderstorms were located along a line
  extending from near Potomac to near Charleston, moving northeast at
  75 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Potomac around 1030 PM CST.
  Rossville and Clarksville around 1035 PM CST.

Other locations in the path of these severe thunderstorms include
Paris, Oliver and Vermilion.

This includes Interstate 74 between mile markers 197 and 220.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CST for east central
Illinois.

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

A Tornado Watch remains in effect until 200 AM CST for east central
Illinois.

&&

LAT...LON 3937 8801 3938 8822 4027 8792 4049 8757
      4049 8753 3946 8753
TIME...MOT...LOC 0424Z 246DEG 63KT 4026 8787 3942 8810 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

37

3 follow-up statements

532 
WWUS53 KILX 110439
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1039 PM CST Fri Dec 10 2021

ILC019-041-110448-
/O.CAN.KILX.SV.W.0128.000000T0000Z-211211T0515Z/
Champaign-Douglas-
1039 PM CST Fri Dec 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHAMPAIGN AND
EASTERN DOUGLAS COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 200 AM CST for east central
Illinois.

LAT...LON 3937 8801 3938 8822 3954 8816 3979 8781
      4041 8769 4049 8757 4049 8753 3946 8753
TIME...MOT...LOC 0438Z 246DEG 63KT 4035 8759 3952 8782 

$$

ILC023-029-045-183-110515-
/O.CON.KILX.SV.W.0128.000000T0000Z-211211T0515Z/
Coles-Edgar-Clark-Vermilion-
1039 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CST
FOR SOUTHEASTERN COLES...EDGAR...NORTHERN CLARK AND EASTERN VERMILION
COUNTIES...

At 1038 PM CST, severe thunderstorms were located along a line
extending from near Rossville to near Clarksville, moving northeast
at 70 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe thunderstorms will remain over mainly rural areas of
southeastern Coles, Edgar, northern Clark and eastern Vermilion
Counties, including the following locations... Isabel, Edgar,
Indianola, Vermilion County Airport, Hutton, Fox Ridge State Park,
Edgar County Airport, Bell Ridge, Scottland and Alvin.

This includes Interstate 74 between mile markers 209 and 220.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CST for east central
Illinois.

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3937 8801 3938 8822 3954 8816 3979 8781
      4041 8769 4049 8757 4049 8753 3946 8753
TIME...MOT...LOC 0438Z 246DEG 63KT 4035 8759 3952 8782 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

37

704 
WWUS53 KILX 110448
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1048 PM CST Fri Dec 10 2021

ILC023-029-110457-
/O.CAN.KILX.SV.W.0128.000000T0000Z-211211T0515Z/
Coles-Clark-
1048 PM CST Fri Dec 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COLES AND
NORTHERN CLARK COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 200 AM CST for east central
Illinois.

LAT...LON 3948 8796 3965 8797 3975 8781 4021 8769
      4035 8753 3948 8753
TIME...MOT...LOC 0447Z 270DEG 63KT 4041 8743 3958 8766 

$$

ILC045-183-110515-
/O.CON.KILX.SV.W.0128.000000T0000Z-211211T0515Z/
Edgar-Vermilion-
1048 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CST
FOR EDGAR AND SOUTHEASTERN VERMILION COUNTIES...

At 1047 PM CST, severe thunderstorms were located along a line
extending from 7 miles south of Talbot to near Paris, moving east at
70 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Danville, Paris, Georgetown, Westville, Tilton, Catlin, Chrisman,
Ridge Farm, Kansas, Belgium, Vermilion, Redmon, Oliver, Edgar,
Bismarck, Indianola, Isabel, Vermilion County Airport, Edgar County
Airport and Bell Ridge.

This includes Interstate 74 between mile markers 211 and 220.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CST for east central
Illinois.

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3948 8796 3965 8797 3975 8781 4021 8769
      4035 8753 3948 8753
TIME...MOT...LOC 0447Z 270DEG 63KT 4041 8743 3958 8766 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

37

557 
WWUS53 KILX 110459
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1059 PM CST Fri Dec 10 2021

ILC045-183-110509-
/O.CAN.KILX.SV.W.0128.000000T0000Z-211211T0515Z/
Edgar-Vermilion-
1059 PM CST Fri Dec 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR EDGAR AND SOUTHEASTERN
VERMILION COUNTIES IS CANCELLED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been cancelled.  However gusty winds are still possible with these
thunderstorms.

A Tornado Watch remains in effect until 200 AM CST for east central
Illinois.

LAT...LON 3948 8796 3965 8797 3975 8781 4021 8769
      4035 8753 3948 8753
TIME...MOT...LOC 0458Z 246DEG 63KT 4049 8719 3966 8742 

$$

37

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 10, 7:15 PM CST	Tornado Warning	ILX	Cass, Morgan, Scott	45 min
Dec 10, 7:54 PM CST	Tornado Warning Tornado observed	ILX	Cass, Mason, Menard	40 min
Dec 10, 8:05 PM CST	Tornado Warning	ILX	Mason, Tazewell	40 min
Dec 10, 8:20 PM CST	Severe Thunderstorm Warning	ILX	Christian, Sangamon	40 min
Dec 10, 8:28 PM CST	Tornado Warning	ILX	Logan, Mason, Tazewell	32 min
Dec 10, 8:32 PM CST	Severe Thunderstorm Warning	ILX	Logan, Sangamon	28 min
Dec 10, 8:38 PM CST	Tornado Warning	ILX	McLean, Woodford	22 min
Dec 10, 8:50 PM CST	Tornado Warning	ILX	McLean	12 min
Dec 10, 8:58 PM CST	Severe Thunderstorm Warning	ILX	DeWitt, McLean, Macon, Moultrie, Piatt, Sangamon	47 min
Dec 10, 9:09 PM CST	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Piatt, Shelby	66 min
Dec 10, 9:23 PM CST	Tornado Warning Tornado observed	ILX	Shelby	36 min
Dec 10, 9:33 PM CST	Severe Thunderstorm Warning	ILX	Champaign, Piatt, Vermilion	42 min
Dec 10, 9:51 PM CST	Severe Thunderstorm Warning	ILX	Champaign, Coles, Cumberland, Douglas, Moultrie, Piatt and 1 more	54 min
Dec 10, 9:55 PM CST	Tornado Warning	ILX	Coles, Douglas, Moultrie	19 min
Dec 10, 9:58 PM CST	Tornado Warning Tornado observed	ILX	Coles, Douglas, Moultrie	32 min
Dec 10, 10:26 PM CST	Tornado Warning Tornado observed	ILX	Coles, Douglas, Edgar, Vermilion	19 min
Dec 10, 10:56 PM CST	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Effingham, Jasper, Moultrie, Shelby	49 min
Dec 10, 11:40 PM CST	Severe Thunderstorm Warning	ILX	Clark, Coles, Crawford, Cumberland, Edgar, Effingham and 2 more	65 min
Dec 11, 12:50 AM CST	Special Weather Statement	ILX	Lawrence	40 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2021 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.