Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 129, NWS Lincoln, IL

December 10, 20216 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Dec 10, 2021, 10:56 PM CST for 6 counties in Illinois. It was in force for 49 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: Dec 10, 2021, 10:56 PM CST (04:56 UTC)
Expired: Dec 10, 2021, 11:45 PM CST
In force: 49 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Coles County, IL, Cumberland County, IL, Effingham County, IL, Jasper County, IL, Moultrie County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 118 km from the middle of the area, began a volume at 05:00 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
Dec 10, 11:06 PM CST	TSTM WND DMG	Beecher City, IL	POWER LINES WERE BLOWN DOWN.

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
Dec 10, 7:47 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.9 hours before the alert went out and 102 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.

207 
WUUS53 KILX 110456
SVRILX
ILC029-035-049-079-139-173-110545-
/O.NEW.KILX.SV.W.0129.211211T0456Z-211211T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
1056 PM CST Fri Dec 10 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Coles County in east central Illinois...
  Southeastern Moultrie County in central Illinois...
  Northern Jasper County in southeastern Illinois...
  Shelby County in central Illinois...
  Cumberland County in east central Illinois...
  Effingham County in south central Illinois...

* Until 1145 PM CST.

* At 1055 PM CST, severe thunderstorms were located along a line
  extending from near Tower Hill to near Wrights Corner, moving east
  at 70 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Shelbyville around 1100 PM CST.
  Effingham, Windsor, Stewardson and Shumway around 1110 PM CST.
  Teutopolis around 1115 PM CST.

Other locations in the path of these severe thunderstorms include
Mattoon, Montrose, Lerna, Jewett, Charleston, Toledo, Greenup,
Hidalgo, Ashmore, Rardin, Hazel Dell and Casey.

This includes the following highways...
 Interstate 57 between mile markers 145 and 195.
 Interstate 70 between mile markers 79 and 126.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CST for south central,
central, southeastern and east central Illinois.

A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

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 south central,
central, southeastern and east central Illinois.

&&

LAT...LON 3922 8880 3922 8900 3944 8902 3962 8802
      3900 8801 3892 8881
TIME...MOT...LOC 0455Z 252DEG 61KT 3939 8889 3909 8889 

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

$$

Shimon

2 follow-up statements

675 
WWUS53 KILX 110515
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1115 PM CST Fri Dec 10 2021

ILC029-035-049-079-139-173-110545-
/O.CON.KILX.SV.W.0129.000000T0000Z-211211T0545Z/
Coles-Moultrie-Jasper-Shelby-Cumberland-Effingham-
1115 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CST
FOR COLES...SOUTHEASTERN MOULTRIE...NORTHERN JASPER...SOUTHEASTERN
SHELBY...CUMBERLAND AND EFFINGHAM COUNTIES...

At 1114 PM CST, severe thunderstorms were located along a line
extending from near Windsor to near Neoga to near Altamont, moving
east at 70 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
  Mattoon, Neoga, Teutopolis, Stewardson, Lerna, Janesville, 
  Charleston, Montrose, Rardin, Toledo, Ashmore, Jewett, Greenup and 
  Casey.

This includes the following highways...
 Interstate 57 between mile markers 145 and 195.
 Interstate 70 between mile markers 79 and 126.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CST for south central,
central, southeastern and east central Illinois.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

&&

LAT...LON 3921 8880 3927 8871 3935 8862 3951 8861
      3962 8802 3900 8801 3892 8881
TIME...MOT...LOC 0514Z 248DEG 61KT 3947 8856 3934 8851 3911 8874 

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

$$

Shimon

569 
WWUS53 KILX 110531
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1131 PM CST Fri Dec 10 2021

ILC139-110541-
/O.CAN.KILX.SV.W.0129.000000T0000Z-211211T0545Z/
Moultrie-
1131 PM CST Fri Dec 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MOULTRIE COUNTY
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 south central,
central, southeastern and east central Illinois.

LAT...LON 3918 8880 3923 8858 3931 8842 3955 8827
      3959 8803 3900 8801 3892 8881
TIME...MOT...LOC 0531Z 251DEG 49KT 3950 8820 3924 8835 3902 8882 

$$

ILC029-035-049-079-173-110545-
/O.CON.KILX.SV.W.0129.000000T0000Z-211211T0545Z/
Coles-Jasper-Shelby-Cumberland-Effingham-
1131 PM CST Fri Dec 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CST
FOR SOUTHEASTERN COLES...NORTHERN JASPER...SOUTHEASTERN SHELBY...
CUMBERLAND AND EFFINGHAM COUNTIES...

At 1131 PM CST, severe thunderstorms were located along a line
extending from Charleston to near Montrose to St. Elmo, moving east
at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Charleston, Mattoon, Effingham, Newton, Toledo, Altamont, Teutopolis,
Greenup, Watson, Dieterich, Beecher City, Lerna, Willow Hill, Jewett,
Shumway, Montrose, Wheeler, Hidalgo, Janesville and Hazel Dell.

This includes the following highways...
 Interstate 57 between mile markers 145 and 173.
 Interstate 70 between mile markers 79 and 126.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CST for south central,
central, southeastern and east central Illinois.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

&&

LAT...LON 3918 8880 3923 8858 3931 8842 3955 8827
      3959 8803 3900 8801 3892 8881
TIME...MOT...LOC 0531Z 251DEG 49KT 3950 8820 3924 8835 3902 8882 

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

$$

Shimon

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, 10:24 PM CST	Severe Thunderstorm Warning	ILX	Champaign, Clark, Coles, Douglas, Edgar, Vermilion	35 min
Dec 10, 10:26 PM CST	Tornado Warning Tornado observed	ILX	Coles, Douglas, Edgar, Vermilion	19 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.