Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 33, NWS Lincoln, IL

June 12, 2021Christian County, Shelby County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 12, 2021, 6:41 PM CDT for Christian County, Shelby County, Illinois. It was in force for 38 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: Jun 12, 2021, 6:41 PM CDT (23:41 UTC)
Expired: Jun 12, 2021, 7:19 PM CDT
In force: 38 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Christian County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 98 km from the middle of the area, began a volume at 23:45 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

Lincoln, IL (KILX), launched 12:00Z, 11.7 hours before the alert went out and 105 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 897 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1584 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

154 
WUUS53 KILX 122341
SVRILX
ILC021-173-130030-
/O.NEW.KILX.SV.W.0033.210612T2341Z-210613T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
641 PM CDT Sat Jun 12 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 730 PM CDT.

* At 641 PM CDT, a severe thunderstorm was located near Pana, or 10
  miles east of Nokomis, moving southeast at 15 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.

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Christian and southwestern Shelby Counties, including
  the following locations... Oconee and Herrick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Lincoln.

&&

LAT...LON 3922 8914 3935 8914 3935 8923 3936 8924
      3940 8905 3922 8887 3921 8898
TIME...MOT...LOC 2341Z 319DEG 12KT 3933 8910 

HAIL...1.00IN
WIND...60MPH
 
$$

Shimon

3 follow-up statements

860 
WWUS53 KILX 122350
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
650 PM CDT Sat Jun 12 2021

ILC021-173-130030-
/O.CON.KILX.SV.W.0033.000000T0000Z-210613T0030Z/
Christian-Shelby-
650 PM CDT Sat Jun 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHEASTERN CHRISTIAN AND SOUTHWESTERN SHELBY COUNTIES...

At 649 PM CDT, a severe thunderstorm was located near Pana, or 11
miles east of Nokomis, moving southeast at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Trained weather spotters reported tree damage in Pana.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Pana, Herrick and Oconee. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Lincoln.

&&

LAT...LON 3922 8914 3935 8914 3936 8913 3939 8908
      3939 8904 3922 8887 3921 8898
TIME...MOT...LOC 2349Z 319DEG 12KT 3931 8908 

HAIL...1.00IN
WIND...60MPH
 
$$

Shimon

937 
WWUS53 KILX 122359
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
659 PM CDT Sat Jun 12 2021

ILC021-130009-
/O.CAN.KILX.SV.W.0033.000000T0000Z-210613T0030Z/
Christian-
659 PM CDT Sat Jun 12 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 3922 8914 3932 8914 3932 8909 3934 8903
      3936 8901 3922 8887 3921 8898
TIME...MOT...LOC 2359Z 319DEG 12KT 3928 8905 

$$

ILC173-130030-
/O.CON.KILX.SV.W.0033.000000T0000Z-210613T0030Z/
Shelby-
659 PM CDT Sat Jun 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHWESTERN SHELBY COUNTY...

At 659 PM CDT, a severe thunderstorm was located 7 miles south of
Pana, or 12 miles east of Nokomis, moving southeast at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Trained weather spotters.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Herrick and Oconee. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Lincoln.

&&

LAT...LON 3922 8914 3932 8914 3932 8909 3934 8903
      3936 8901 3922 8887 3921 8898
TIME...MOT...LOC 2359Z 319DEG 12KT 3928 8905 

HAIL...1.00IN
WIND...60MPH
 
$$

Shimon

657 
WWUS53 KILX 130019
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
719 PM CDT Sat Jun 12 2021

ILC173-130029-
/O.CAN.KILX.SV.W.0033.000000T0000Z-210613T0030Z/
Shelby-
719 PM CDT Sat Jun 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SHELBY COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.

LAT...LON 3922 8914 3932 8914 3932 8909 3934 8903
      3936 8901 3922 8887 3921 8898
TIME...MOT...LOC 0018Z 319DEG 12KT 3923 8899 

$$

Shimon

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 3:00 PM CDT	Special Weather Statement	ILX	Clark	30 min
Jun 12, 5:06 PM CDT	Special Weather Statement	ILX	Cumberland	54 min
Jun 12, 5:56 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	33 min
Jun 12, 6:11 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	18 min
Jun 12, 6:21 PM CDT	Flash Flood Warning	ILX	Champaign, Vermilion	78 min
Jun 12, 6:37 PM CDT	Severe Thunderstorm Warning	ILX	Piatt	38 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2021 Every 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.