Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 73, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jul 10, 2021, 6:22 PM CDT for Clay County, Richland County, Illinois. It was in force for 53 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
- Jul 10, 2021, 6:22 PM CDT (23:22 UTC)
- Expired
- Jul 10, 2021, 7:15 PM CDT
- In force
- 53 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clay County, IL, Richland County, IL
The radar
The Evansville,IN radar (KVWX), 55 km from the middle of the area, began a volume at 23:23 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 10, 2:01 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.4 hours before the alert went out and 174 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
- 952 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
570
WUUS53 KILX 102322
SVRILX
ILC025-159-110015-
/O.NEW.KILX.SV.W.0073.210710T2322Z-210711T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
622 PM CDT Sat Jul 10 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Southern Richland County in southeastern Illinois...
Southeastern Clay County in south central Illinois...
* Until 715 PM CDT.
* At 621 PM CDT, a severe thunderstorm was located near Schnell, or
13 miles southwest of Olney, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Parkersburg, Calhoun and Claremont.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3860 8816 3860 8836 3868 8839 3875 8791
3857 8791 3857 8814
TIME...MOT...LOC 2321Z 259DEG 24KT 3857 8824
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
Barnes2 follow-up statements
402
WWUS53 KILX 102340
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
640 PM CDT Sat Jul 10 2021
ILC025-102350-
/O.CAN.KILX.SV.W.0073.000000T0000Z-210711T0015Z/
Clay-
640 PM CDT Sat Jul 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLAY COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
south central and southeastern Illinois.
LAT...LON 3857 8814 3860 8816 3860 8825 3862 8827
3862 8830 3863 8830 3866 8827 3870 8828
3875 8791 3857 8791
TIME...MOT...LOC 2340Z 256DEG 21KT 3860 8815
$$
ILC159-110015-
/O.CON.KILX.SV.W.0073.000000T0000Z-210711T0015Z/
Richland-
640 PM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR SOUTHERN RICHLAND COUNTY...
At 640 PM CDT, a severe thunderstorm was located near Parkersburg, or
9 miles south of Olney, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Olney, Noble, Parkersburg, Claremont, Calhoun, Schnell and
Berryville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3857 8814 3860 8816 3860 8825 3862 8827
3862 8830 3863 8830 3866 8827 3870 8828
3875 8791 3857 8791
TIME...MOT...LOC 2340Z 256DEG 21KT 3860 8815
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
Barnes152
WWUS53 KILX 110011
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
711 PM CDT Sat Jul 10 2021
ILC159-110021-
/O.EXP.KILX.SV.W.0073.000000T0000Z-210711T0015Z/
Richland-
711 PM CDT Sat Jul 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN RICHLAND COUNTY WILL
EXPIRE AT 715 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
south central and southeastern Illinois.
LAT...LON 3857 8814 3860 8816 3860 8825 3862 8827
3862 8830 3863 8830 3866 8827 3870 8828
3875 8791 3857 8791
TIME...MOT...LOC 0011Z 259DEG 24KT 3864 8790
$$
BarnesThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 8:03 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 57 min |
| Jul 9, 10:50 PM CDT | Special Weather Statement | ILX | Sangamon | 25 min |
| Jul 9, 11:11 PM CDT | Areal Flood Advisory | ILX | Sangamon | 115 min |
| Jul 9, 11:43 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Moultrie, Shelby | 47 min |
| Jul 10, 1:18 AM CDT | Special Weather Statement | ILX | Clay, Richland | 57 min |
| Jul 10, 9:27 AM CDT | River Flood Warning | ILX | Clay, Richland | 11 days |
| Jul 10, 2:08 PM CDT | Tornado Warning | ILX | Cass, Mason, Morgan | 52 min |
| Jul 10, 2:45 PM CDT | Tornado Warning | ILX | Cass, Mason, Menard | 60 min |
| Jul 10, 2:53 PM CDT | Tornado Warning | ILX | Fulton, Mason | 52 min |
| Jul 10, 3:38 PM CDT | Tornado Warning | ILX | Logan, Mason, Menard | 37 min |
| Jul 10, 6:18 PM CDT | Flash Flood Warning | ILX | Clay | 3 hr |
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.