Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 110, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Sep 7, 2021, 6:09 PM CDT for Champaign County, Vermilion County, Illinois. It was in force for 51 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
- Sep 7, 2021, 6:09 PM CDT (23:09 UTC)
- Expired
- Sep 7, 2021, 7:00 PM CDT
- In force
- 51 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Champaign County, IL, Vermilion County, IL
The radar
The Lincoln radar (KILX), 109 km from the middle of the area, began a volume at 23:12 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 7, 1:12 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.2 hours before the alert went out and 47 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
- 1964 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
523
WUUS53 KILX 072309
SVRILX
ILC019-183-080000-
/O.NEW.KILX.SV.W.0110.210907T2309Z-210908T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
609 PM CDT Tue Sep 7 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Vermilion County in east central Illinois...
Champaign County in east central Illinois...
* Until 700 PM CDT.
* At 608 PM CDT, severe thunderstorms were located along a line
extending from near Rankin to 6 miles north of St. Joseph to
Mahomet, moving southeast at 45 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Rankin around 615 PM CDT.
Ogden and Potomac around 620 PM CDT.
Savoy, Tolono, Rossville, Fithian and Muncie around 625 PM CDT.
Other locations in the path of these severe thunderstorms include
Oakwood, Fairmount, St. Joseph, Catlin, Philo, Danville, Westville,
Tilton, Sidney, Belgium, Georgetown, Homer, Broadlands and Allerton.
This includes the following highways...
Interstate 57 between mile markers 218 and 251.
Interstate 72 between mile markers 174 and 182.
Interstate 74 between mile marker 169 and the Indiana border.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3988 8846 4033 8846 4033 8812 4040 8807
4040 8793 4049 8793 4049 8753 3988 8754
TIME...MOT...LOC 2308Z 297DEG 39KT 4042 8794 4021 8806 4020 8844
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Geelhart2 follow-up statements
080
WWUS53 KILX 072333
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
633 PM CDT Tue Sep 7 2021
ILC019-183-080000-
/O.CON.KILX.SV.W.0110.000000T0000Z-210908T0000Z/
Vermilion-Champaign-
633 PM CDT Tue Sep 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR VERMILION AND CHAMPAIGN COUNTIES...
At 632 PM CDT, severe thunderstorms were located along a line
extending from 6 miles southeast of Rossville to Oakwood to Seymour,
moving southeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Danville, Tilton, Catlin, Oakwood, Fairmount, Georgetown,
Westville, Pesotum, Belgium, Sidney, Broadlands, Allerton, Sidell
and Ridge Farm.
This includes the following highways...
Interstate 57 between mile markers 218 and 249.
Interstate 72 between mile markers 174 and 182.
Interstate 74 between mile marker 169 and the Indiana border.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Lincoln.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3988 8846 4021 8846 4033 8812 4038 8793
4039 8753 3988 8754
TIME...MOT...LOC 2332Z 296DEG 39KT 4030 8759 4010 8777 4008 8839
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Geelhart258
WWUS53 KILX 072358
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
658 PM CDT Tue Sep 7 2021
ILC019-183-080007-
/O.EXP.KILX.SV.W.0110.000000T0000Z-210908T0000Z/
Vermilion-Champaign-
658 PM CDT Tue Sep 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR VERMILION AND CHAMPAIGN
COUNTIES WILL EXPIRE AT 700 PM CDT...
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 will be allowed to expire. However gusty
winds and heavy rain are still expected with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Illinois.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.
LAT...LON 3988 8846 4021 8846 4033 8812 4038 8793
4039 8753 3988 8754
TIME...MOT...LOC 2357Z 297DEG 39KT 4018 8730 3999 8748 3997 8810
$$
GeelhartThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 2:55 PM CDT | Special Weather Statement | ILX | Stark | 20 min |
| Sep 7, 3:53 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 37 min |
| Sep 7, 4:22 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 38 min |
| Sep 7, 4:58 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 47 min |
| Sep 7, 4:58 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 47 min |
| Sep 7, 5:39 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 36 min |
| Sep 7, 6:30 PM CDT | Special Weather Statement | ILX | Piatt | 45 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.