Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 99, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Aug 25, 2021, 4:42 PM CDT for Stark County, Illinois. It was in force for 33 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
- Aug 25, 2021, 4:42 PM CDT (21:42 UTC)
- Expired
- Aug 25, 2021, 5:15 PM CDT
- In force
- 33 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Stark County, IL
The radar
The Quad Cities radar (KDVN), 87 km from the middle of the area, began a volume at 21:45 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.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 9.7 hours before the alert went out and 82 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
- 818 J/kg
- Mixed-layer CIN
- -238 J/kg
- Mixed-layer LCL
- 1355 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted.
786
WUUS53 KILX 252142
SVRILX
ILC175-252215-
/O.NEW.KILX.SV.W.0099.210825T2142Z-210825T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
442 PM CDT Wed Aug 25 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Stark County in north central Illinois...
* Until 515 PM CDT.
* At 442 PM CDT, severe thunderstorms were located along a line
extending from near Kewanee to near La Fayette to near Altona,
moving east at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Severe thunderstorms will be near...
Elmira around 450 PM CDT.
Osceola around 455 PM CDT.
Other locations in the path of these severe thunderstorms include
West Jersey, Wyoming, Toulon, Bradford and Castleton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4123 8964 4097 8964 4097 8978 4098 8978
4098 8999 4115 8998 4115 8987 4123 8986
TIME...MOT...LOC 2142Z 272DEG 18KT 4121 8988 4114 9000 4110 9012
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJA2 follow-up statements
122
WWUS53 KILX 252159
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
459 PM CDT Wed Aug 25 2021
ILC175-252215-
/O.CON.KILX.SV.W.0099.000000T0000Z-210825T2215Z/
Stark-
459 PM CDT Wed Aug 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR STARK COUNTY...
At 459 PM CDT, severe thunderstorms were located along a line
extending from Osceola to near Toulon to near La Fayette, moving east
at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Osceola, Elmira, Toulon, Bradford, Wyoming and Castleton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4123 8964 4097 8964 4097 8978 4098 8978
4098 8999 4115 8998 4115 8987 4123 8986
TIME...MOT...LOC 2159Z 272DEG 18KT 4121 8979 4114 8991 4110 9003
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJA617
WWUS53 KILX 252214
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
514 PM CDT Wed Aug 25 2021
ILC175-252224-
/O.EXP.KILX.SV.W.0099.000000T0000Z-210825T2215Z/
Stark-
514 PM CDT Wed Aug 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR STARK COUNTY WILL EXPIRE AT
515 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 are still possible with these thunderstorms.
LAT...LON 4123 8964 4097 8964 4097 8978 4098 8978
4098 8999 4115 8998 4115 8987 4123 8986
TIME...MOT...LOC 2214Z 272DEG 18KT 4121 8979 4114 8991 4110 9003
$$
MJAThe 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, 8:43 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, McLean, Mason, 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, 4:51 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.