Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 25, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 16, 2021, 10:40 PM CDT for Christian County, Effingham County, Shelby County, Illinois. It was in force for 50 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
- May 16, 2021, 10:40 PM CDT (03:40 UTC)
- Expired
- May 16, 2021, 11:30 PM CDT
- In force
- 50 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Christian County, IL, Effingham County, IL, Shelby County, IL
The radar
The Lincoln radar (KILX), 106 km from the middle of the area, began a volume at 03:41 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
Lincoln, IL (KILX), launched 00:00Z, 3.7 hours before the alert went out and 103 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
- 108 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1515 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
355
WUUS53 KILX 170340
SVRILX
ILC021-049-173-170430-
/O.NEW.KILX.SV.W.0025.210517T0340Z-210517T0430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
1040 PM CDT Sun May 16 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Southeastern Christian County in central Illinois...
Western Shelby County in central Illinois...
Northwestern Effingham County in south central Illinois...
* Until 1130 PM CDT.
* At 1040 PM CDT, a severe thunderstorm was located near Nokomis,
moving east at 30 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Shelbyville, Pana, Findlay, Cowden, Tower Hill, Beecher City,
Shumway, Westervelt, Moccasin, Herrick, Rosamond, Clarksburg,
Oconee, Mode and Lake Sara.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3910 8880 3922 8881 3922 8914 3935 8914
3935 8932 3957 8875 3911 8859
TIME...MOT...LOC 0340Z 249DEG 27KT 3929 8916
HAIL...0.88IN
WIND...60MPH
$$
072 follow-up statements
046
WWUS53 KILX 170411
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
1111 PM CDT Sun May 16 2021
ILC021-170420-
/O.CAN.KILX.SV.W.0025.000000T0000Z-210517T0430Z/
Christian-
1111 PM CDT Sun May 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHRISTIAN COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3910 8880 3922 8881 3922 8914 3934 8913
3934 8901 3949 8872 3911 8859
TIME...MOT...LOC 0410Z 249DEG 27KT 3937 8889
$$
ILC049-173-170430-
/O.CON.KILX.SV.W.0025.000000T0000Z-210517T0430Z/
Shelby-Effingham-
1111 PM CDT Sun May 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR SOUTHWESTERN SHELBY AND NORTHWESTERN EFFINGHAM COUNTIES...
At 1110 PM CDT, a severe thunderstorm was located near Tower Hill, or
8 miles southwest of Shelbyville, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Shelbyville, Cowden, Beecher City, Shumway, Moccasin, Herrick,
Clarksburg, Oconee, Mode and Lake Sara.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3910 8880 3922 8881 3922 8914 3934 8913
3934 8901 3949 8872 3911 8859
TIME...MOT...LOC 0410Z 249DEG 27KT 3937 8889
HAIL...0.75IN
WIND...60MPH
$$
07285
WWUS53 KILX 170428
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
1128 PM CDT Sun May 16 2021
ILC049-173-170437-
/O.EXP.KILX.SV.W.0025.000000T0000Z-210517T0430Z/
Shelby-Effingham-
1128 PM CDT Sun May 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SHELBY AND
NORTHWESTERN EFFINGHAM COUNTIES WILL EXPIRE AT 1130 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire at 1130 pm. However
small hail, gusty winds of 40 to 50 mph and heavy rain are still
possible with this thunderstorm as it tracks east at 30 mph.
LAT...LON 3910 8880 3922 8881 3922 8914 3934 8913
3934 8901 3949 8872 3911 8859
TIME...MOT...LOC 0427Z 249DEG 27KT 3940 8877
$$
07The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 8:16 PM CDT | River Flood Warning | ILX | Brown, Cass, Morgan, Schuyler | 16 days |
| May 17, 12:41 AM CDT | Special Weather Statement | ILX | Clark, Cumberland | 64 min |
| May 17, 1:38 AM CDT | Special Weather Statement | ILX | Clark | 37 min |
| May 17, 1:48 PM CDT | Special Weather Statement | ILX | Menard, Sangamon | 42 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.