Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 31, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 12, 2021, 6:11 PM CDT for Champaign County, Vermilion County, Illinois. It was in force for 18 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
- Jun 12, 2021, 6:11 PM CDT (23:11 UTC)
- Expired
- Jun 12, 2021, 6:29 PM CDT
- In force
- 18 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Champaign County, IL, Vermilion County, IL
The radar
The Lincoln radar (KILX), 131 km from the middle of the area, began a volume at 23:15 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.2 hours before the alert went out and 71 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
- 897 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 1584 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
491
WUUS53 KILX 122311
SVRILX
ILC019-183-130015-
/O.NEW.KILX.SV.W.0031.210612T2311Z-210613T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
611 PM CDT Sat Jun 12 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Northern Vermilion County in east central Illinois...
Northeastern Champaign County in east central Illinois...
* Until 715 PM CDT.
* At 610 PM CDT, a severe thunderstorm was located near Rankin, or 11
miles south of Claytonville, moving southeast at 20 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Trained weather spotters.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
* Locations impacted include...
Potomac.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This is a DANGEROUS SITUATION. This storm has produced widespread
wind damage across southern Iroquois County. SEEK SHELTER NOW inside
a sturdy structure and stay away from windows!
&&
LAT...LON 4017 8794 4040 8803 4040 8793 4049 8793
4049 8766 4037 8753 4036 8753
TIME...MOT...LOC 2310Z 323DEG 16KT 4040 8789
HAIL...1.00IN
WIND...70MPH
$$
Shimon2 follow-up statements
449
WWUS53 KILX 122323
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
623 PM CDT Sat Jun 12 2021
ILC019-183-130015-
/O.CON.KILX.SV.W.0031.000000T0000Z-210613T0015Z/
Vermilion-Champaign-
623 PM CDT Sat Jun 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTHERN VERMILION AND NORTHEASTERN CHAMPAIGN COUNTIES...
At 623 PM CDT, a severe thunderstorm was located over Potomac, or 14
miles northwest of Danville, moving southeast at 25 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Trained weather spotters.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Hoopeston, Rossville, Potomac, Rankin, Henning, Middle Fork Wildlife
Area, Armstrong and Penfield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Lincoln.
&&
LAT...LON 4017 8794 4040 8803 4040 8793 4049 8793
4049 8766 4037 8753 4036 8753
TIME...MOT...LOC 2323Z 323DEG 23KT 4031 8779
HAIL...1.00IN
WIND...70MPH
$$
Shimon668
WWUS53 KILX 122329 RRA
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
629 PM CDT Sat Jun 12 2021
ILC019-183-122339-
/O.CAN.KILX.SV.W.0031.000000T0000Z-210613T0015Z/
Vermilion-Champaign-
629 PM CDT Sat Jun 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN VERMILION AND
NORTHEASTERN CHAMPAIGN COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However heavy rain is
still possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.
LAT...LON 4017 8794 4040 8803 4040 8793 4049 8793
4049 8766 4037 8753 4036 8753
TIME...MOT...LOC 2327Z 323DEG 16KT 4029 8777
$$
ShimonThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 3:00 PM CDT | Special Weather Statement | ILX | Clark | 30 min |
| Jun 12, 5:06 PM CDT | Special Weather Statement | ILX | Cumberland | 54 min |
| Jun 12, 5:56 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 33 min |
| Jun 12, 6:21 PM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 78 min |
| Jun 12, 6:37 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 38 min |
| Jun 12, 6:41 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 38 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.