Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 18, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 3, 2021, 7:33 PM CDT for Christian County, Shelby County, Illinois. It was in force for 42 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
- May 3, 2021, 7:33 PM CDT (00:33 UTC)
- Expired
- May 3, 2021, 8:15 PM CDT
- In force
- 42 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Christian County, IL, Shelby County, IL
The radar
The Lincoln radar (KILX), 93 km from the middle of the area, began a volume at 00:34 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 |
|---|---|---|---|
| May 3, 7:45 PM CDT | HAIL 1.75 | 1 Ene Ohlman, IL | VIA TWITTER WITH PICTURE. |
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 |
|---|---|---|---|
| May 3, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.6 hours before the alert went out and 98 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
- 758 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 843 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.4
The text
As transmitted.
445
WUUS53 KILX 040033
SVRILX
ILC021-173-040115-
/O.NEW.KILX.SV.W.0018.210504T0033Z-210504T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
733 PM CDT Mon May 3 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Southeastern Christian County in central Illinois...
Southwestern Shelby County in central Illinois...
* Until 815 PM CDT.
* At 733 PM CDT, a severe thunderstorm was located near Pana, or near
Nokomis, moving east at 35 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
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...
Taylorville, Shelbyville, Pana, Cowden, Tower Hill, Rosamond,
Clarksburg, Oconee, Wolf Creek State Park, Mode and Vanderville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3927 8914 3935 8914 3935 8931 3947 8930
3948 8868 3922 8868
TIME...MOT...LOC 0033Z 272DEG 29KT 3938 8921
HAIL...1.75IN
WIND...60MPH
$$
372 follow-up statements
986
WWUS53 KILX 040040
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
740 PM CDT Mon May 3 2021
ILC021-173-040115-
/O.CON.KILX.SV.W.0018.000000T0000Z-210504T0115Z/
Christian-Shelby-
740 PM CDT Mon May 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHEASTERN CHRISTIAN AND SOUTHWESTERN SHELBY COUNTIES...
At 739 PM CDT, a severe thunderstorm was located near Pana, or 9
miles northeast of Nokomis, moving east at 35 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Shelbyville, Pana, Cowden, Tower Hill, Rosamond, Clarksburg, Oconee,
Wolf Creek State Park and Mode.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3927 8914 3935 8914 3935 8926 3947 8922
3948 8868 3922 8868
TIME...MOT...LOC 0039Z 272DEG 29KT 3938 8914
HAIL...2.00IN
WIND...60MPH
$$
37623
WWUS53 KILX 040108
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
808 PM CDT Mon May 3 2021
ILC021-173-040118-
/O.EXP.KILX.SV.W.0018.000000T0000Z-210504T0115Z/
Christian-Shelby-
808 PM CDT Mon May 3 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHRISTIAN AND
SOUTHWESTERN SHELBY COUNTIES WILL EXPIRE AT 815 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 gusty
winds are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
central Illinois.
LAT...LON 3927 8914 3935 8914 3935 8926 3947 8922
3948 8868 3922 8868
TIME...MOT...LOC 0108Z 272DEG 29KT 3937 8886
$$
37The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 7:06 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas, Macon, Moultrie, Shelby | 54 min |
| May 3, 7:20 PM CDT | Tornado Warning | ILX | Moultrie | 25 min |
| May 3, 7:57 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Edgar | 63 min |
| May 3, 8:02 PM CDT | Tornado Warning | ILX | Coles | 28 min |
| May 3, 8:19 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland, Moultrie, Shelby | 41 min |
| May 3, 8:53 PM CDT | Flash Flood Warning | ILX | Coles | 50 min |
| May 3, 9:02 PM CDT | Special Weather Statement | ILX | Clark, Cumberland, Effingham, Jasper | 43 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.