Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 106, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Sep 7, 2021, 4:22 PM CDT for McLean County, Woodford County, Illinois. It was in force for 38 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
- Sep 7, 2021, 4:22 PM CDT (21:22 UTC)
- Expired
- Sep 7, 2021, 5:00 PM CDT
- In force
- 38 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties McLean County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 82 km from the middle of the area, began a volume at 21:25 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 |
|---|---|---|---|
| Sep 7, 5:05 PM CDT | TSTM WND DMG | Colfax, IL | LARGE HEALTHY TREE ABOUT 2 FT DIAMTER DOWN NEAR FIFER ST AND HYATT ST. TIME ESTIMATED BY RADAR. |
| Sep 7, 5:05 PM CDT | TSTM WND DMG | Colfax, IL | SEVERAL LARGE TREE LIMBS DOWN ON POWER LINES. DELAYED REPORT. TIME ESTIMATED BY RADAR. |
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 |
|---|---|---|---|
| Sep 7, 1:12 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.4 hours before the alert went out and 75 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.
446
WUUS53 KILX 072122
SVRILX
ILC113-203-072200-
/O.NEW.KILX.SV.W.0106.210907T2122Z-210907T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
422 PM CDT Tue Sep 7 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Northeastern Woodford County in central Illinois...
Northeastern McLean County in central Illinois...
* Until 500 PM CDT.
* At 421 PM CDT, a severe thunderstorm was located near El Paso, or
16 miles northeast of Eureka, moving southeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated. At 411 PM, quarter size hail was
reported at Minonk.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near...
Gridley around 435 PM CDT.
Other locations in the path of this severe thunderstorm include
Lexington, Chenoa and Colfax.
This includes the following highways...
Interstate 39 between mile markers 16 and 23.
Interstate 55 between mile markers 178 and 186.
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 4091 8893 4075 8893 4075 8858 4053 8857
4077 8910 4092 8900
TIME...MOT...LOC 2121Z 298DEG 34KT 4082 8898
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Geelhart2 follow-up statements
575
WWUS53 KILX 072135
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
435 PM CDT Tue Sep 7 2021
ILC113-203-072200-
/O.CON.KILX.SV.W.0106.000000T0000Z-210907T2200Z/
Woodford-McLean-
435 PM CDT Tue Sep 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR EAST CENTRAL WOODFORD AND NORTHEASTERN MCLEAN COUNTIES...
At 435 PM CDT, severe thunderstorms were located along a line
extending from near Pontiac to El Paso, moving southeast at 40 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Lexington, Chenoa and Colfax.
This includes the following highways...
Interstate 55 between mile markers 178 and 186.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Lincoln.
&&
LAT...LON 4075 8906 4080 8893 4075 8893 4075 8858
4053 8857
TIME...MOT...LOC 2135Z 294DEG 34KT 4084 8868 4074 8900
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Geelhart297
WWUS53 KILX 072145
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
445 PM CDT Tue Sep 7 2021
ILC203-072154-
/O.CAN.KILX.SV.W.0106.000000T0000Z-210907T2200Z/
Woodford-
445 PM CDT Tue Sep 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WOODFORD COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
central Illinois.
LAT...LON 4071 8897 4075 8881 4075 8858 4053 8857
TIME...MOT...LOC 2144Z 298DEG 35KT 4078 8857 4070 8890
$$
ILC113-072200-
/O.CON.KILX.SV.W.0106.000000T0000Z-210907T2200Z/
McLean-
445 PM CDT Tue Sep 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR NORTHEASTERN MCLEAN COUNTY...
At 444 PM CDT, severe thunderstorms were located along a line
extending from near Fairbury to near Gridley, moving southeast at 40
mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Trained weather spotters. At 440 PM, penny size hail was
reported 2 miles north of Chenoa, in Livingston County.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Lexington, Chenoa, Colfax, Pleasant Hill and Weston.
This includes Interstate 55 between mile markers 178 and 186.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Lincoln.
&&
LAT...LON 4071 8897 4075 8881 4075 8858 4053 8857
TIME...MOT...LOC 2144Z 298DEG 35KT 4078 8857 4070 8890
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
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, 4:58 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, 6:09 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 51 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.