Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 70, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 29, 2021, 2:41 PM CDT for Vermilion County, Illinois. It was in force for 38 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 29, 2021, 2:41 PM CDT (19:41 UTC)
- Expired
- Jun 29, 2021, 3:19 PM CDT
- In force
- 38 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Vermilion County, IL
The radar
The Lincoln radar (KILX), 139 km from the middle of the area, began a volume at 19:41 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, 7.7 hours before the alert went out and 78 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
- 1224 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 934 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
018
WUUS53 KILX 291941
SVRILX
ILC183-292030-
/O.NEW.KILX.SV.W.0070.210629T1941Z-210629T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
241 PM CDT Tue Jun 29 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Northern Vermilion County in east central Illinois...
* Until 330 PM CDT.
* At 240 PM CDT, a severe thunderstorm was located near Potomac, or
13 miles northwest of Danville, moving east at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Rossville around 255 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Damaging winds and continuous cloud to ground
lightning is occurring with this storm. 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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4017 8787 4041 8788 4049 8761 4049 8753
4023 8753
TIME...MOT...LOC 1940Z 252DEG 15KT 4032 8772
HAIL...<.75IN
WIND...60MPH
$$
252 follow-up statements
856
WWUS53 KILX 292003
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
303 PM CDT Tue Jun 29 2021
ILC183-292030-
/O.CON.KILX.SV.W.0070.000000T0000Z-210629T2030Z/
Vermilion-
303 PM CDT Tue Jun 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR NORTHEASTERN VERMILION COUNTY...
At 303 PM CDT, a severe thunderstorm was located over Rossville, or
12 miles southwest of Talbot, moving northeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
northeastern Vermilion County, including the following locations...
Henning and Alvin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4027 8772 4044 8778 4049 8761 4049 8753
4032 8753
TIME...MOT...LOC 2003Z 239DEG 20KT 4041 8765
HAIL...<.75IN
WIND...60MPH
$$
25134
WWUS53 KILX 292019
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
319 PM CDT Tue Jun 29 2021
ILC183-292028-
/O.CAN.KILX.SV.W.0070.000000T0000Z-210629T2030Z/
Vermilion-
319 PM CDT Tue Jun 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN VERMILION COUNTY
IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.
LAT...LON 4027 8772 4044 8778 4049 8761 4049 8753
4032 8753
TIME...MOT...LOC 2017Z 252DEG 15KT 4043 8757
$$
25The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:58 PM CDT | River Flood Warning | ILX | Vermilion | 13 hr |
| Jun 28, 9:49 PM CDT | River Flood Warning | ILX | McLean, Tazewell, Woodford | 12 hr |
| Jun 29, 10:43 AM CDT | River Flood Warning | ILX | Peoria, Tazewell, Woodford | 21 days |
| Jun 29, 1:58 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 47 min |
| Jun 29, 5:31 PM CDT | Special Weather Statement | ILX | McLean | 44 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.