Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 97, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Aug 24, 2021, 8:43 PM CDT for 6 counties in Illinois. It was in force for 47 min. 1 report 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
- Aug 24, 2021, 8:43 PM CDT (01:43 UTC)
- Expired
- Aug 24, 2021, 9:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fulton County, IL, Mason County, IL, McLean County, IL, Peoria County, IL, Tazewell County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 51 km from the middle of the area, began a volume at 01:45 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 |
|---|---|---|---|
| Aug 24, 8:45 PM CDT | TSTM WND DMG | Pekin, IL | TREE LIMBS AND POWER LINES DOWN. TIME ESTIMATED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.7 hours before the alert went out and 90 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
- 2737 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1274 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.3
The text
As transmitted.
449
WUUS53 KILX 250143
SVRILX
ILC057-113-125-143-179-203-250230-
/O.NEW.KILX.SV.W.0097.210825T0143Z-210825T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
843 PM CDT Tue Aug 24 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Central Woodford County in central Illinois...
Northeastern Fulton County in west central Illinois...
Tazewell County in central Illinois...
Northwestern McLean County in central Illinois...
Northeastern Mason County in central Illinois...
Southern Peoria County in central Illinois...
* Until 930 PM CDT.
* At 843 PM CDT, severe thunderstorms were located along a line
extending from near Peoria to near Glasford, moving southeast at 35
mph.
HAZARD...60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
East Peoria, Washington, Creve Coeur and Marquette Heights around
850 PM CDT.
Pekin and Morton around 855 PM CDT.
Manito and South Pekin around 900 PM CDT.
Other locations in the path of these severe thunderstorms include
Tremont, Mackinaw, Green Valley, Delavan, Hopedale, Minier and
Stanford.
This includes the following highways...
Interstate 155 between mile markers 14 and 31.
Interstate 39 between mile markers 0 and 13.
Interstate 474 between mile markers 0 and 14.
Interstate 55 between mile markers 159 and 168, and between mile
markers 170 and 172.
Interstate 74 between mile markers 87 and 132.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4087 8927 4060 8886 4040 8911 4033 8967
4031 8998 4057 9017 4080 8953
TIME...MOT...LOC 0143Z 327DEG 30KT 4071 8958 4059 8985
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Shimon4 follow-up statements
629
WWUS53 KILX 250153
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
853 PM CDT Tue Aug 24 2021
ILC057-113-125-143-179-203-250230-
/O.CON.KILX.SV.W.0097.000000T0000Z-210825T0230Z/
Woodford-Fulton-Tazewell-McLean-Mason-Peoria-
853 PM CDT Tue Aug 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR SOUTHEASTERN WOODFORD...EASTERN FULTON...TAZEWELL...NORTHWESTERN
MCLEAN...NORTHEASTERN MASON AND SOUTH CENTRAL PEORIA COUNTIES...
At 853 PM CDT, severe thunderstorms were located along a line
extending from near Roanoke to near Glasford, moving southeast at 45
mph.
HAZARD...60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Eureka, Roanoke and Secor around 900 PM CDT.
Other locations in the path of these severe thunderstorms include
Carlock, Hudson, Delavan, Normal, Hopedale and Towanda.
This includes the following highways...
Interstate 155 between mile markers 14 and 31.
Interstate 39 between mile markers 0 and 13.
Interstate 474 between mile markers 8 and 14.
Interstate 55 between mile markers 159 and 168, and between mile
markers 170 and 172.
Interstate 74 between mile markers 95 and 132.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4083 8921 4060 8886 4040 8911 4033 8967
4031 8998 4058 8983 4073 8943
TIME...MOT...LOC 0153Z 302DEG 38KT 4076 8922 4050 8981
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Shimon541
WWUS53 KILX 250201
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
901 PM CDT Tue Aug 24 2021
ILC057-143-250210-
/O.CAN.KILX.SV.W.0097.000000T0000Z-210825T0230Z/
Fulton-Peoria-
901 PM CDT Tue Aug 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN FULTON AND SOUTH
CENTRAL PEORIA COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 4078 8914 4060 8886 4040 8911 4033 8967
4032 8985 4043 8982 4068 8934
TIME...MOT...LOC 0200Z 327DEG 30KT 4072 8919 4046 8978
$$
ILC113-125-179-203-250230-
/O.CON.KILX.SV.W.0097.000000T0000Z-210825T0230Z/
Woodford-Tazewell-McLean-Mason-
901 PM CDT Tue Aug 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR SOUTHEASTERN WOODFORD...SOUTHERN TAZEWELL...NORTHWESTERN MCLEAN
AND NORTHEASTERN MASON COUNTIES...
At 900 PM CDT, severe thunderstorms were located along a line
extending from near Secor to near Manito, moving southeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Law enforcement.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Goodfield and Secor around 905 PM CDT.
Other locations in the path of these severe thunderstorms include
Green Valley, Delavan, Danvers, Carlock, Hudson, Normal, Towanda and
Bloomington.
This includes the following highways...
Interstate 155 between mile markers 14 and 30.
Interstate 39 between mile markers 0 and 13.
Interstate 55 between mile markers 159 and 168, and between mile
markers 170 and 172.
Interstate 74 between mile markers 103 and 132.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4078 8914 4060 8886 4040 8911 4033 8967
4032 8985 4043 8982 4068 8934
TIME...MOT...LOC 0200Z 327DEG 30KT 4072 8919 4046 8978
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Shimon321
WWUS53 KILX 250211
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
911 PM CDT Tue Aug 24 2021
ILC113-125-179-203-250230-
/O.CON.KILX.SV.W.0097.000000T0000Z-210825T0230Z/
Woodford-Tazewell-McLean-Mason-
911 PM CDT Tue Aug 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR SOUTHEASTERN WOODFORD...SOUTHEASTERN TAZEWELL...NORTHWESTERN
MCLEAN AND NORTHEASTERN MASON COUNTIES...
At 911 PM CDT, severe thunderstorms were located along a line
extending from near Carlock to near Green Valley, moving southeast at
40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Danvers and Carlock around 915 PM CDT.
Hudson around 920 PM CDT.
Other locations in the path of these severe thunderstorms include
Normal, Towanda and Bloomington.
This includes the following highways...
Interstate 155 between mile markers 14 and 23.
Interstate 39 between mile markers 0 and 12.
Interstate 55 between mile markers 159 and 168, and between mile
markers 170 and 172.
Interstate 74 between mile markers 116 and 132.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4060 8886 4040 8911 4033 8967 4032 8985
4038 8983 4056 8931 4071 8904
TIME...MOT...LOC 0211Z 327DEG 34KT 4062 8909 4036 8971
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Shimon511
WWUS53 KILX 250224
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
924 PM CDT Tue Aug 24 2021
ILC113-125-179-203-250234-
/O.EXP.KILX.SV.W.0097.000000T0000Z-210825T0230Z/
Woodford-Tazewell-McLean-Mason-
924 PM CDT Tue Aug 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WOODFORD...
SOUTHEASTERN TAZEWELL...NORTHWESTERN MCLEAN AND NORTHEASTERN MASON
COUNTIES WILL EXPIRE AT 930 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire. However gusty winds are still possible with
these thunderstorms.
LAT...LON 4060 8886 4040 8911 4033 8967 4032 8985
4038 8983 4056 8931 4071 8904
TIME...MOT...LOC 0224Z 327DEG 30KT 4053 8901 4027 8963
$$
ShimonThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 7:26 PM CDT | Special Weather Statement | ILX | Knox, Stark | 64 min |
| Aug 24, 8:00 PM CDT | Special Weather Statement | ILX | Knox, Marshall, Peoria, Stark | 60 min |
| Aug 24, 8:28 PM CDT | Special Weather Statement | ILX | Peoria, Tazewell, Woodford | 47 min |
| Aug 24, 9:10 PM CDT | Special Weather Statement | ILX | DeWitt, Logan, McLean | 50 min |
| Aug 24, 9:45 PM CDT | Special Weather Statement | ILX | DeWitt, Macon, Menard, Piatt, Sangamon | 30 min |
| Aug 24, 10:18 PM CDT | Special Weather Statement | ILX | Christian, Macon, Moultrie, Piatt | 57 min |
| Aug 24, 10:36 PM CDT | Special Weather Statement | ILX | Champaign, Vermilion | 54 min |
| Aug 24, 11:05 PM CDT | Special Weather Statement | ILX | Christian, Coles, Douglas, Moultrie, Shelby | 40 min |
| Aug 25, 4:10 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 50 min |
| Aug 25, 4:15 PM CDT | Special Weather Statement | ILX | Edgar | 45 min |
| Aug 25, 4:33 PM CDT | Special Weather Statement | ILX | Vermilion | 42 min |
| Aug 25, 4:42 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 33 min |
| Aug 25, 4:51 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 24 min |
| Aug 25, 5:22 PM CDT | Special Weather Statement | ILX | Peoria | 53 min |
| Aug 25, 6:11 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 34 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.