Alert archive / Illinois / Tornado Warnings in 2021
Tornado Warning 37, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Oct 11, 2021, 3:32 PM CDT for 4 counties in Illinois. It was in force for 30 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
- Oct 11, 2021, 3:32 PM CDT (20:32 UTC)
- Expired
- Oct 11, 2021, 4:02 PM CDT
- In force
- 30 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.0 in
Counties Cass County, IL, Menard County, IL, Morgan County, IL, Sangamon County, IL
The radar
The Lincoln radar (KILX), 58 km from the middle of the area, began a volume at 20:33 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 |
|---|---|---|---|
| Oct 11, 3:10 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.5 hours before the alert went out and 119 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
- 287 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 867 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.3
The text
As transmitted.
454
WFUS53 KILX 112032
TORILX
ILC017-129-137-167-112115-
/O.NEW.KILX.TO.W.0037.211011T2032Z-211011T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
332 PM CDT Mon Oct 11 2021
The National Weather Service in Lincoln has issued a
* Tornado Warning for...
Western Menard County in central Illinois...
West central Sangamon County in central Illinois...
Southeastern Cass County in west central Illinois...
Northeastern Morgan County in west central Illinois...
* Until 415 PM CDT.
* At 332 PM CDT, a confirmed tornado was located near Ashland, or 12
miles southeast of Virginia, moving north at 40 mph.
HAZARD...Damaging tornado.
SOURCE...Weather spotters 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.
* The tornado will be near...
Ashland and Pleasant Plains around 340 PM CDT.
Tallula around 345 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Petersburg.
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 3978 9000 3981 9010 4009 9002 4013 8993
4011 8976
TIME...MOT...LOC 2032Z 201DEG 33KT 3983 9003
TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN
$$
Shimon4 follow-up statements
389
WWUS53 KILX 112039
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
339 PM CDT Mon Oct 11 2021
ILC137-112049-
/O.CAN.KILX.TO.W.0037.000000T0000Z-211011T2115Z/
Morgan-
339 PM CDT Mon Oct 11 2021
...THE TORNADO WARNING FOR NORTHEASTERN MORGAN COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 PM CDT for central and
west central Illinois.
LAT...LON 4009 9002 4013 8993 4011 8976 3987 8995
3988 9008
TIME...MOT...LOC 2039Z 205DEG 34KT 3989 8998
$$
ILC017-129-167-112115-
/O.CON.KILX.TO.W.0037.000000T0000Z-211011T2115Z/
Menard-Sangamon-Cass-
339 PM CDT Mon Oct 11 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR WESTERN
MENARD...WESTERN SANGAMON AND SOUTHEASTERN CASS COUNTIES...
At 339 PM CDT, a confirmed tornado was located over Ashland, or 12
miles east of Virginia, moving northeast at 40 mph.
HAZARD...Damaging tornado.
SOURCE...Weather spotters 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.
This tornado will be near...
Tallula around 345 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Petersburg.
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 4009 9002 4013 8993 4011 8976 3987 8995
3988 9008
TIME...MOT...LOC 2039Z 205DEG 34KT 3989 8998
TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN
$$
Shimon878
WWUS53 KILX 112048
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
348 PM CDT Mon Oct 11 2021
ILC017-112058-
/O.CAN.KILX.TO.W.0037.000000T0000Z-211011T2115Z/
Cass-
348 PM CDT Mon Oct 11 2021
...THE TORNADO WARNING FOR SOUTHEASTERN CASS COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 PM CDT for central
Illinois.
LAT...LON 4010 8998 4013 8993 4011 8976 3990 8993
3991 8999
TIME...MOT...LOC 2048Z 207DEG 26KT 3993 8994
$$
ILC129-167-112115-
/O.CON.KILX.TO.W.0037.000000T0000Z-211011T2115Z/
Menard-Sangamon-
348 PM CDT Mon Oct 11 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR WESTERN
MENARD AND NORTHWESTERN SANGAMON COUNTIES...
At 348 PM CDT, a confirmed tornado was located over Tallula, or 14
miles east of Virginia, moving northeast at 30 mph.
HAZARD...Damaging tornado.
SOURCE...Weather spotters 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...
Petersburg.
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 4010 8998 4013 8993 4011 8976 3990 8993
3991 8999
TIME...MOT...LOC 2048Z 207DEG 26KT 3993 8994
TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN
$$
Shimon781
WWUS53 KILX 112057
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
357 PM CDT Mon Oct 11 2021
ILC167-112107-
/O.CAN.KILX.TO.W.0037.000000T0000Z-211011T2115Z/
Sangamon-
357 PM CDT Mon Oct 11 2021
...THE TORNADO WARNING FOR NORTHWESTERN SANGAMON COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 PM CDT for central
Illinois.
LAT...LON 4008 8989 4012 8985 4011 8976 3996 8988
3998 8994
TIME...MOT...LOC 2057Z 213DEG 35KT 4000 8985
$$
ILC129-112115-
/O.CON.KILX.TO.W.0037.000000T0000Z-211011T2115Z/
Menard-
357 PM CDT Mon Oct 11 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR WESTERN
MENARD COUNTY...
At 357 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Petersburg, or 16 miles southwest of Mason City,
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.
Locations impacted include...
Petersburg.
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 4008 8989 4012 8985 4011 8976 3996 8988
3998 8994
TIME...MOT...LOC 2057Z 213DEG 35KT 4000 8985
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Shimon022
WWUS53 KILX 112102
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
402 PM CDT Mon Oct 11 2021
ILC129-112112-
/O.CAN.KILX.TO.W.0037.000000T0000Z-211011T2115Z/
Menard-
402 PM CDT Mon Oct 11 2021
...THE TORNADO WARNING FOR WESTERN MENARD COUNTY IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled. However gusty winds are still possible with this
thunderstorm.
A Tornado Watch remains in effect until 900 PM CDT for central
Illinois.
LAT...LON 4008 8989 4012 8985 4011 8976 3996 8988
3998 8994
TIME...MOT...LOC 2101Z 201DEG 33KT 4005 8983
$$
ShimonThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 12:00 PM CDT | Special Weather Statement | ILX | Morgan | 30 min |
| Oct 11, 12:55 PM CDT | Special Weather Statement | ILX | Sangamon | 35 min |
| Oct 11, 2:08 PM CDT | Special Weather Statement | ILX | Schuyler, Scott | 37 min |
| Oct 11, 2:27 PM CDT | Special Weather Statement | ILX | Crawford, Lawrence, Richland | 33 min |
| Oct 11, 2:50 PM CDT | Tornado Warning | ILX | Morgan | 25 min |
| Oct 11, 3:12 PM CDT | Tornado Warning | ILX | Morgan, Sangamon | 33 min |
| Oct 11, 3:50 PM CDT | Tornado Warning | ILX | Fulton, Mason, Tazewell | 25 min |
| Oct 11, 4:21 PM CDT | Tornado Warning | ILX | Logan, Mason | 24 min |
| Oct 11, 4:47 PM CDT | Tornado Warning | ILX | Marshall, Woodford | 28 min |
| Oct 11, 4:56 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, Macon, Piatt | 49 min |
| Oct 11, 5:03 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Macon, Piatt | 42 min |
| Oct 11, 5:14 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 61 min |
| Oct 11, 5:38 PM CDT | Tornado Warning | ILX | Woodford | 20 min |
| Oct 11, 5:42 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, Douglas, McLean, Macon, Piatt | 63 min |
| Oct 11, 6:52 PM CDT | Special Weather Statement | ILX | Champaign, Douglas, Vermilion | 83 min |
Nearby
Tornado Warnings in Illinois, 2021Every tornado warning in 2021Tornadoes 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.