Alert archive / Illinois / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS Lincoln, IL

May 27, 2021Clay County, Effingham County, Jasper County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 27, 2021, 3:06 PM CDT for Clay County, Effingham County, Jasper County, Illinois. It was in force for 54 min. 6 reports 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 27, 2021, 3:06 PM CDT (20:06 UTC)
Expired: May 27, 2021, 4:00 PM CDT
In force: 54 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, IL, Effingham County, IL, Jasper County, IL

The radar

The Evansville,IN radar (KVWX), 84 km from the middle of the area, began a volume at 20:06 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 27, 3:15 PM CDT	TSTM WND DMG	Xenia, IL	POWER LINE DOWN. RELAYED BY EMA. TIME ESTIMATED BY RADAR.
May 27, 3:30 PM CDT	TORNADO	3 E Louisville, IL	NO DAMAGE REPORTED, TOUCHED DOWN IN FIELD.
May 27, 3:38 PM CDT	TSTM WND DMG	Clay City, IL	TREE FELL ON CARS. RELAYED BY EMA.
May 27, 3:45 PM CDT	TSTM WND DMG	3 Ne Clay City, IL	TREE DAMAGE, MINOR STRUCTURE DAMAGE.
May 27, 3:45 PM CDT	TSTM WND DMG	3 Nne Clay City, IL	TREES DOWNED.
May 27, 3:45 PM CDT	TORNADO	2 Se Sailor Springs, IL	DAMAGE TO BARN AND DEBRIS THROUGH FIELD.

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 27, 11:26 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.1 hours before the alert went out and 154 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1679 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

411 
WUUS53 KILX 272006
SVRILX
ILC025-049-079-272100-
/O.NEW.KILX.SV.W.0028.210527T2006Z-210527T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
306 PM CDT Thu May 27 2021

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Southwestern Jasper County in southeastern Illinois...
  Clay County in south central Illinois...
  Southeastern Effingham County in south central Illinois...

* Until 400 PM CDT.

* At 306 PM CDT, severe thunderstorms were located along a line
  extending from near Edgewood to near Omega, moving east at 25 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...
  Iola around 315 PM CDT.
  Xenia around 325 PM CDT.
  Louisville and Bible Grove around 340 PM CDT.
  Ingraham around 355 PM CDT.
  Clay City and Sailor Springs around 400 PM CDT.

Other locations impacted by these severe thunderstorms include
Wendelin, Newton Lake, Hord, Mason, Oskaloosa and Latona.

This includes Interstate 57 between mile markers 142 and 147.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3861 8870 3891 8870 3892 8871 3897 8869
      3895 8824 3885 8824 3884 8826 3873 8826
      3873 8829 3866 8827 3863 8830 3860 8826
TIME...MOT...LOC 2006Z 289DEG 20KT 3889 8869 3862 8878 

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

Barnes

2 follow-up statements

105 
WWUS53 KILX 272040
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
340 PM CDT Thu May 27 2021

ILC025-049-079-272100-
/O.CON.KILX.SV.W.0028.000000T0000Z-210527T2100Z/
Jasper-Clay-Effingham-
340 PM CDT Thu May 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR SOUTHWESTERN JASPER...CLAY AND SOUTHEASTERN EFFINGHAM COUNTIES...

At 340 PM CDT, severe thunderstorms were located along a line
extending from near Bible Grove to near Louisville to near Xenia,
moving east at 35 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.

These severe storms will be near...
  Flora around 345 PM CDT.
  Bible Grove around 350 PM CDT.
  Clay City and Sailor Springs around 355 PM CDT.
  Ingraham around 405 PM CDT.
  Bogota around 410 PM CDT.

Other locations impacted by these severe thunderstorms include
Wendelin, Newton Lake, Hord and Latona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3861 8864 3896 8851 3895 8824 3885 8824
      3884 8826 3873 8826 3873 8829 3866 8827
      3863 8830 3860 8826
TIME...MOT...LOC 2040Z 284DEG 23KT 3890 8851 3875 8847 3862 8861 

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

Barnes

513 
WWUS53 KILX 272058
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
358 PM CDT Thu May 27 2021

ILC025-049-079-272108-
/O.EXP.KILX.SV.W.0028.000000T0000Z-210527T2100Z/
Jasper-Clay-Effingham-
358 PM CDT Thu May 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN JASPER...CLAY AND
SOUTHEASTERN EFFINGHAM COUNTIES WILL EXPIRE AT 400 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
south central and southeastern Illinois.

LAT...LON 3861 8864 3896 8851 3895 8824 3885 8824
      3884 8826 3873 8826 3873 8829 3866 8827
      3863 8830 3860 8826
TIME...MOT...LOC 2058Z 289DEG 20KT 3887 8841 3872 8837 3859 8851 

$$

Barnes

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 10:13 AM CDT	Special Weather Statement	ILX	Menard, Morgan, Sangamon	32 min
May 27, 11:14 AM CDT	Special Weather Statement	ILX	Cass, Morgan, Scott	46 min
May 27, 11:58 AM CDT	Severe Thunderstorm Warning	ILX	Morgan, Sangamon	62 min
May 27, 1:05 PM CDT	Severe Thunderstorm Warning	ILX	Christian, DeWitt, Logan, Macon, Sangamon, Shelby	55 min
May 27, 3:47 PM CDT	Severe Thunderstorm Warning	ILX	Jasper, Richland	58 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.