Alert archive / Illinois / Tornado Warnings in 2021
Tornado Warning 36, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Oct 11, 2021, 3:12 PM CDT for Morgan County, Sangamon County, Illinois. It was in force for 33 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
- Oct 11, 2021, 3:12 PM CDT (20:12 UTC)
- Expired
- Oct 11, 2021, 3:45 PM CDT
- In force
- 33 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Morgan County, IL, Sangamon County, IL
The radar
The Lincoln radar (KILX), 79 km from the middle of the area, began a volume at 20:12 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 |
|---|---|---|---|
| Oct 11, 3:27 PM CDT | TORNADO | 2 N Alexander, IL | EM REPORTED TORNADO. STORM CHASER REPORTED TORNADO CROSSED I-72 NEAR MM 76. DEBRIS AIRBORNE AND FLIPPED A SEMI TRUCK. FUNNEL NOT FULLY CONDENSED. |
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 |
|---|---|---|---|
| Oct 11, 3:10 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.2 hours before the alert went out and 135 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.
472
WFUS53 KILX 112012
TORILX
ILC137-167-112045-
/O.NEW.KILX.TO.W.0036.211011T2012Z-211011T2045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
312 PM CDT Mon Oct 11 2021
The National Weather Service in Lincoln has issued a
* Tornado Warning for...
West central Sangamon County in central Illinois...
Northeastern Morgan County in west central Illinois...
* Until 345 PM CDT.
* At 312 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Alexander, or 7 miles southeast of Jacksonville,
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...
Pleasant Plains.
This includes Interstate 72 between mile markers 68 and 79.
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 3961 9009 3965 9021 3987 9014 3987 8987
TIME...MOT...LOC 2012Z 206DEG 34KT 3967 9012
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Shimon3 follow-up statements
986
WWUS53 KILX 112021
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
321 PM CDT Mon Oct 11 2021
ILC137-167-112045-
/O.CON.KILX.TO.W.0036.000000T0000Z-211011T2045Z/
Sangamon-Morgan-
321 PM CDT Mon Oct 11 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR WEST
CENTRAL SANGAMON AND NORTHEASTERN MORGAN COUNTIES...
At 321 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Alexander, or 8 miles east of Jacksonville, moving
northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Jacksonville, Alexander, Pleasant Plains, Prentice and Sinclair.
This includes Interstate 72 between mile markers 69 and 79.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3968 9003 3971 9019 3987 9014 3987 8987
TIME...MOT...LOC 2021Z 206DEG 33KT 3974 9007
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Shimon678
WWUS53 KILX 112026
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
326 PM CDT Mon Oct 11 2021
ILC137-167-112045-
/O.CON.KILX.TO.W.0036.000000T0000Z-211011T2045Z/
Sangamon-Morgan-
326 PM CDT Mon Oct 11 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR WEST
CENTRAL SANGAMON AND NORTHEASTERN MORGAN COUNTIES...
At 326 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Alexander, or 10 miles east of Jacksonville, moving
northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Weather spotters reported a funnel cloud.
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...
Prentice and Sinclair.
This includes Interstate 72 between mile markers 75 and 77.
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 3973 9004 3975 9014 3987 9014 3987 8993
TIME...MOT...LOC 2026Z 203DEG 33KT 3979 9005
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Shimon559
WWUS53 KILX 112041
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
341 PM CDT Mon Oct 11 2021
ILC137-167-112050-
/O.EXP.KILX.TO.W.0036.000000T0000Z-211011T2045Z/
Sangamon-Morgan-
341 PM CDT Mon Oct 11 2021
...THE TORNADO WARNING FOR WEST CENTRAL SANGAMON AND NORTHEASTERN
MORGAN COUNTIES WILL EXPIRE AT 345 PM CDT...
The Tornado Warning that was previously in effect has been reissued
for northwestern Sangamon County and is in effect until 415 pm.
Please refer to that bulletin for the latest severe weather
information.
A Tornado Watch remains in effect until 900 PM CDT for central and
west central Illinois.
LAT...LON 3973 9004 3975 9014 3987 9014 3987 8993
TIME...MOT...LOC 2040Z 206DEG 34KT 3990 8998
$$
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, 3:32 PM CDT | Tornado Warning | ILX | Cass, Menard, Morgan, Sangamon | 30 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.