Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 118, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Oct 24, 2021, 6:26 PM CDT for Champaign County, McLean County, Vermilion County, Illinois. It was in force for 34 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 24, 2021, 6:26 PM CDT (23:26 UTC)
- Expired
- Oct 24, 2021, 7:00 PM CDT
- In force
- 34 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Champaign County, IL, McLean County, IL, Vermilion County, IL
The radar
The Lincoln radar (KILX), 85 km from the middle of the area, began a volume at 23:30 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 24, 5:44 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.4 hours before the alert went out and 222 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.
384
WUUS53 KILX 242326
SVRILX
ILC019-113-183-250015-
/O.NEW.KILX.SV.W.0118.211024T2326Z-211025T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
626 PM CDT Sun Oct 24 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Northwestern Vermilion County in east central Illinois...
Southeastern McLean County in central Illinois...
Northern Champaign County in east central Illinois...
* Until 715 PM CDT.
* At 626 PM CDT, severe thunderstorms were located along a line
extending from 6 miles northeast of Colfax to 6 miles west of
Saybrook to near Heyworth, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Saybrook around 635 PM CDT.
Other locations in the path of these severe thunderstorms include
Fisher, Rantoul and Gifford.
This includes the following highways...
Interstate 57 between mile markers 249 and 257.
Interstate 74 between mile markers 144 and 154.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 100 AM CDT for east central
Illinois.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 100 AM CDT for east central
Illinois.
&&
LAT...LON 4028 8794 4029 8904 4041 8879 4062 8856
4061 8846 4040 8846 4040 8793
TIME...MOT...LOC 2326Z 267DEG 44KT 4062 8851 4040 8865 4030 8887
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Shimon2 follow-up statements
890
WWUS53 KILX 242342
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
642 PM CDT Sun Oct 24 2021
ILC019-113-183-250015-
/O.CON.KILX.SV.W.0118.000000T0000Z-211025T0015Z/
Vermilion-McLean-Champaign-
642 PM CDT Sun Oct 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTHWESTERN VERMILION...SOUTHEASTERN MCLEAN AND NORTHERN
CHAMPAIGN COUNTIES...
At 642 PM CDT, severe thunderstorms were located along a line
extending from 8 miles south of Chatsworth to near Gibson to near
Farmer City, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Rantoul and Gifford.
This includes the following highways...
Interstate 57 between mile markers 249 and 257.
Interstate 74 near mile marker 154.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 100 AM CDT for east central
Illinois.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4028 8794 4029 8871 4039 8857 4048 8849
4049 8846 4040 8846 4040 8793
TIME...MOT...LOC 2342Z 267DEG 44KT 4063 8827 4041 8842 4031 8864
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Shimon103
WWUS53 KILX 250000
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
700 PM CDT Sun Oct 24 2021
ILC019-113-183-250010-
/O.CAN.KILX.SV.W.0118.000000T0000Z-211025T0015Z/
Vermilion-McLean-Champaign-
700 PM CDT Sun Oct 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN VERMILION...
SOUTHEASTERN MCLEAN AND NORTHERN CHAMPAIGN COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds are
still possible with these thunderstorms.
A Tornado Watch remains in effect until 100 AM CDT for east central
Illinois.
LAT...LON 4028 8794 4029 8871 4039 8857 4048 8849
4049 8846 4040 8846 4040 8793
TIME...MOT...LOC 2357Z 267DEG 44KT 4064 8802 4042 8817 4032 8839
$$
ShimonThe 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, 6:06 PM CDT | Tornado Warning | ILX | Cass, Morgan, Scott | 24 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
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.