Alert archive / Illinois / Tornado Warnings in 2021
Tornado Warning 42, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Oct 24, 2021, 6:06 PM CDT for Cass County, Morgan County, Scott County, Illinois. It was in force for 24 min. 2 reports 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 24, 2021, 6:06 PM CDT (23:06 UTC)
- Expired
- Oct 24, 2021, 6:30 PM CDT
- In force
- 24 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Cass County, IL, Morgan County, IL, Scott County, IL
The radar
The Lincoln radar (KILX), 91 km from the middle of the area, began a volume at 23:10 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 24, 6:25 PM CDT | TSTM WND GST 60 | Literberry, IL | |
| Oct 24, 6:25 PM CDT | HAIL 1.75 | Literberry, IL |
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 24, 5:44 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.1 hours before the alert went out and 203 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 972 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
461
WFUS53 KILX 242306
TORILX
ILC017-137-171-242330-
/O.NEW.KILX.TO.W.0042.211024T2306Z-211024T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
606 PM CDT Sun Oct 24 2021
The National Weather Service in Lincoln has issued a
* Tornado Warning for...
Northeastern Scott County in west central Illinois...
South central Cass County in west central Illinois...
Northern Morgan County in west central Illinois...
* Until 630 PM CDT.
* At 606 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Chapin, or 8 miles west of Jacksonville, moving
northeast at 40 mph.
HAZARD...Tornado and quarter size hail.
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.
* This dangerous storm will be near...
Jacksonville around 615 PM CDT.
Literberry around 625 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Virginia.
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3971 9043 3978 9049 3999 9018 3981 9001
TIME...MOT...LOC 2306Z 239DEG 35KT 3978 9038
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
NMB2 follow-up statements
785
WWUS53 KILX 242316
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
616 PM CDT Sun Oct 24 2021
ILC171-242325-
/O.CAN.KILX.TO.W.0042.000000T0000Z-211024T2330Z/
Scott-
616 PM CDT Sun Oct 24 2021
...THE TORNADO WARNING FOR NORTHEASTERN SCOTT COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 100 AM CDT for west central
Illinois.
LAT...LON 3973 9033 3984 9041 3999 9018 3981 9001
TIME...MOT...LOC 2315Z 250DEG 44KT 3981 9025
$$
ILC017-137-242330-
/O.CON.KILX.TO.W.0042.000000T0000Z-211024T2330Z/
Cass-Morgan-
616 PM CDT Sun Oct 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTH
CENTRAL CASS AND NORTHEASTERN MORGAN COUNTIES...
At 615 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Literberry, or near Jacksonville, moving east at 50
mph.
HAZARD...Tornado and quarter size hail.
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.
This tornadic thunderstorm will remain over mainly rural areas of
south central Cass and northeastern Morgan Counties, including the
following locations... Concord, Sinclair, Philadelphia and
Jacksonville Municipal Airport.
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3973 9033 3984 9041 3999 9018 3981 9001
TIME...MOT...LOC 2315Z 250DEG 44KT 3981 9025
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
NMB233
WWUS53 KILX 242330
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
630 PM CDT Sun Oct 24 2021
ILC017-137-242339-
/O.EXP.KILX.TO.W.0042.000000T0000Z-211024T2330Z/
Cass-Morgan-
630 PM CDT Sun Oct 24 2021
...THE TORNADO WARNING FOR SOUTH CENTRAL CASS AND NORTHEASTERN MORGAN
COUNTIES WILL EXPIRE AT 630 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 100 AM CDT for west central
Illinois.
LAT...LON 3973 9033 3984 9041 3999 9018 3981 9001
TIME...MOT...LOC 2329Z 239DEG 35KT 3987 9011
$$
NMBThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 5:03 AM CDT | Flash Flood Warning | ILX | Morgan, Scott | 3 hr |
| Oct 24, 6:15 AM CDT | Flood Watch | ILX | Macon, Morgan, Sangamon, Scott | 20 hr |
| Oct 24, 10:08 AM CDT | River Flood Warning | ILX | Piatt | 8 days |
| Oct 24, 3:35 PM CDT | Special Weather Statement | ILX | Fulton | 25 min |
| Oct 24, 4:00 PM CDT | Special Weather Statement | ILX | Peoria | 30 min |
| Oct 24, 5:00 PM CDT | Flash Flood Warning | ILX | Fulton, Schuyler | 3 hr |
| Oct 24, 5:39 PM CDT | Special Weather Statement | ILX | McLean | 51 min |
| Oct 24, 5:39 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Morgan, Sangamon, Schuyler, Scott | 51 min |
| Oct 24, 5:56 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon, Scott | 49 min |
| Oct 24, 6:26 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, McLean, Vermilion | 34 min |
| Oct 24, 6:28 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Menard, Morgan, Sangamon, Tazewell | 62 min |
| Oct 24, 6:37 PM CDT | Flash Flood Warning | ILX | Cass, Morgan, Scott | 3 hr |
| Oct 24, 6:38 PM CDT | Tornado Warning | ILX | Menard, Sangamon | 26 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.