Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 124, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Dec 10, 2021, 8:58 PM CST for 6 counties in Illinois. It was in force for 47 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, 8:58 PM CST (02:58 UTC)
- Expired
- Dec 10, 2021, 9:45 PM CST
- In force
- 47 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties DeWitt County, IL, Macon County, IL, McLean County, IL, Moultrie County, IL, Piatt County, IL, Sangamon County, IL
The radar
The Lincoln radar (KILX), 34 km from the middle of the area, began a volume at 03:03 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.
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, 5:17 PM CST | Tornado Watch | SPC | 6 hr |
| Dec 10, 7:47 PM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 3.0 hours before the alert went out and 44 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.
- 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
The text
As transmitted.
696
WUUS53 KILX 110258
SVRILX
ILC039-113-115-139-147-167-110345-
/O.NEW.KILX.SV.W.0124.211211T0258Z-211211T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
858 PM CST Fri Dec 10 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Northeastern Sangamon County in central Illinois...
Northwestern Moultrie County in central Illinois...
Western Piatt County in central Illinois...
De Witt County in central Illinois...
Southeastern McLean County in central Illinois...
Macon County in central Illinois...
* Until 945 PM CST.
* At 858 PM CST, severe thunderstorms were located along a line
extending from near Heyworth to near Stonington, moving northeast
at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Heyworth and Wapella around 905 PM CST.
Le Roy and Harristown around 915 PM CST.
Other locations in the path of these severe thunderstorms include
Decatur, Mount Zion, Long Creek, Oreana, Saybrook and Cerro Gordo.
This includes the following highways...
Interstate 72 between mile markers 124 and 164.
Interstate 74 between mile markers 146 and 164.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CST for central
Illinois. A Tornado Watch also remains in effect until 200 AM CST for
central Illinois.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 1100 PM CST for central
Illinois. A Tornado Watch also remains in effect until 200 AM CST for
central Illinois.
&&
LAT...LON 3982 8865 3966 8914 3980 8914 3982 8918
3981 8922 3982 8925 3988 8923 3992 8925
3992 8915 4017 8915 4031 8908 4046 8847
TIME...MOT...LOC 0258Z 245DEG 42KT 4028 8897 3969 8923
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Shimon4 follow-up statements
841
WWUS53 KILX 110313
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
913 PM CST Fri Dec 10 2021
ILC167-110323-
/O.CAN.KILX.SV.W.0124.000000T0000Z-211211T0345Z/
Sangamon-
913 PM CST Fri Dec 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SANGAMON COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CST for central
Illinois. A Tornado Watch also remains in effect until 200 AM CST for
central Illinois.
LAT...LON 3982 8865 3966 8914 3979 8913 4009 8893
4035 8892 4046 8847
TIME...MOT...LOC 0313Z 255DEG 47KT 4035 8878 4005 8885 3976 8904
$$
ILC039-113-115-139-147-110345-
/O.CON.KILX.SV.W.0124.000000T0000Z-211211T0345Z/
Moultrie-Piatt-De Witt-McLean-Macon-
913 PM CST Fri Dec 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CST
FOR NORTHWESTERN MOULTRIE...WESTERN PIATT...CENTRAL DE WITT...
SOUTHEASTERN MCLEAN AND MACON COUNTIES...
At 913 PM CST, severe thunderstorms were located along a line
extending from Le Roy to near Argenta to near Macon, moving east at
55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Le Roy, Weldon, De Land, Monticello, Saybrook and Cerro Gordo.
This includes the following highways...
Interstate 72 between mile markers 131 and 164.
Interstate 74 between mile markers 146 and 164.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CST for central
Illinois. A Tornado Watch also remains in effect until 200 AM CST for
central Illinois.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3982 8865 3966 8914 3979 8913 4009 8893
4035 8892 4046 8847
TIME...MOT...LOC 0313Z 255DEG 47KT 4035 8878 4005 8885 3976 8904
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Shimon267
WWUS53 KILX 110328
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
928 PM CST Fri Dec 10 2021
ILC039-113-115-139-147-110345-
/O.CON.KILX.SV.W.0124.000000T0000Z-211211T0345Z/
Moultrie-Piatt-De Witt-McLean-Macon-
928 PM CST Fri Dec 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CST
FOR NORTHWESTERN MOULTRIE...WESTERN PIATT...EASTERN DE WITT...
SOUTHEASTERN MCLEAN AND EASTERN MACON COUNTIES...
At 928 PM CST, severe thunderstorms were located along a line
extending from near Saybrook to De Land to Long Creek, moving
northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Decatur, Monticello, Mount Zion, Forsyth, Farmer City, Cerro Gordo,
Long Creek, Macon, Argenta, Oreana, Saybrook, De Land, Weldon,
Oakley, Bellflower, Cisco, Elwin, Decatur Airport, Milmine and Hervey
City.
This includes the following highways...
Interstate 72 between mile markers 140 and 164.
Interstate 74 between mile markers 154 and 164.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 200 AM CST for central
Illinois.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3982 8865 3969 8905 3992 8898 4016 8876
4040 8868 4046 8847
TIME...MOT...LOC 0328Z 245DEG 42KT 4042 8859 4012 8866 3983 8885
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Shimon271
WWUS53 KILX 110335
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
935 PM CST Fri Dec 10 2021
ILC039-113-110344-
/O.CAN.KILX.SV.W.0124.000000T0000Z-211211T0345Z/
De Witt-McLean-
935 PM CST Fri Dec 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN DE WITT AND
SOUTHEASTERN MCLEAN 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 central
Illinois.
LAT...LON 3982 8865 3974 8890 3992 8889 4006 8882
4006 8874 4010 8874 4010 8869 4014 8869
4027 8859 4028 8857 4028 8852
TIME...MOT...LOC 0334Z 245DEG 42KT 4044 8852 4014 8859 3985 8878
$$
ILC115-139-147-110345-
/O.CON.KILX.SV.W.0124.000000T0000Z-211211T0345Z/
Moultrie-Piatt-Macon-
935 PM CST Fri Dec 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CST
FOR NORTHWESTERN MOULTRIE...WESTERN PIATT AND EASTERN MACON
COUNTIES...
At 934 PM CST, severe thunderstorms were located along a line
extending from Saybrook to near De Land to near Cerro Gordo, moving
northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Decatur, Monticello, Mount Zion, Cerro Gordo, Long Creek, Argenta,
Oreana, De Land, Oakley, Cisco, Decatur Airport, Milmine, La Place,
Galesville and Hervey City.
This includes the following highways...
Interstate 72 between mile markers 145 and 164.
Interstate 74 between mile markers 161 and 164.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 200 AM CST for central
Illinois.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3982 8865 3974 8890 3992 8889 4006 8882
4006 8874 4010 8874 4010 8869 4014 8869
4027 8859 4028 8857 4028 8852
TIME...MOT...LOC 0334Z 245DEG 42KT 4044 8852 4014 8859 3985 8878
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
37060
WWUS53 KILX 110350
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
950 PM CST Fri Dec 10 2021
ILC115-139-147-110359-
/O.EXP.KILX.SV.W.0124.000000T0000Z-211211T0345Z/
Moultrie-Piatt-Macon-
950 PM CST Fri Dec 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MOULTRIE...
WESTERN PIATT AND EASTERN MACON COUNTIES HAS EXPIRED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been allowed to expire.
A Tornado Watch remains in effect until 200 AM CST for central
Illinois.
LAT...LON 3982 8865 3974 8890 3992 8889 4006 8882
4006 8874 4010 8874 4010 8869 4014 8869
4027 8859 4028 8857 4028 8852
TIME...MOT...LOC 0349Z 245DEG 42KT 4050 8834 4020 8841 3991 8860
$$
37The 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 | 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, 9:09 PM CST | Severe Thunderstorm Warning | ILX | Christian, Macon, Moultrie, Piatt, Shelby | 66 min |
| Dec 10, 9:23 PM CST | Tornado Warning | 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 | 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 | 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, 2021Every 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.