Alert archive / Illinois / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 49, NWS Lincoln, IL

May 31, 2018Clay County, Jasper County, Richland County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 31, 2018, 11:26 AM CDT for Clay County, Jasper County, Richland County, Illinois. It was in force for 49 min. 2 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 31, 2018, 11:26 AM CDT (16:26 UTC)
Expired: May 31, 2018, 12:15 PM CDT
In force: 49 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Clay County, IL, Jasper County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 66 km from the middle of the area, began a volume at 16:28 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 31, 11:45 AM CDT	TSTM WND DMG	7 S Newton, IL	* 1 INJ * SEMI-TRAILER BLOWN OVER.
May 31, 11:45 AM CDT	TSTM WND DMG	7 S Newton, IL	SEMI-TRAILER BLOWN OVER.

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 31, 10:31 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 4.4 hours before the alert went out and 161 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: 828 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

As transmitted.

680 
WUUS53 KILX 311626
SVRILX
ILC025-079-159-311715-
/O.NEW.KILX.SV.W.0049.180531T1626Z-180531T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
1126 AM CDT THU MAY 31 2018

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Southern Jasper County in southeastern Illinois...
  Richland County in southeastern Illinois...
  Central Clay County in south central Illinois...

* Until 1215 PM CDT

* At 1125 AM CDT, severe thunderstorms were located along a line
  extending from near Bible Grove to near Dundas to near Sumner,
  moving northeast at 45 mph.

  HAZARD...70 mph wind gusts and quarter size hail. 

  SOURCE...Public. 

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings. 

* Locations impacted include...
  Olney, Flora, Newton, Louisville, Clay City, Noble, Ste. Marie,
  Willow Hill, Claremont, Calhoun, Sailor Springs, Bogota, Dundas,
  Ingraham, West Liberty, Oskaloosa, Wakefield, Wendelin, Newton Lake
  and Berryville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage across Clay and Richland Counties. SEEK SHELTER NOW 
inside a sturdy structure and stay away from windows! 
&&

LAT...LON 3866 8825 3867 8870 3877 8869 3907 8795
      3885 8795 3885 8791 3857 8791 3857 8795
TIME...MOT...LOC 1625Z 239DEG 40KT 3889 8851 3882 8803 3864 8784 

HAIL...1.00IN
WIND...70MPH
 
$$

Barker

3 follow-up statements

865 
WWUS53 KILX 311642
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1142 AM CDT THU MAY 31 2018

ILC025-079-159-311715-
/O.CON.KILX.SV.W.0049.000000T0000Z-180531T1715Z/
Jasper-Richland-Clay-
1142 AM CDT THU MAY 31 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT
FOR SOUTHERN JASPER...NORTHERN RICHLAND AND NORTHEASTERN CLAY
COUNTIES...

At 1141 AM CDT, severe thunderstorms were located along a line
extending from near Wheeler to near Hardinville to Lawrenceville,
moving northeast at 45 mph.

HAZARD...70 mph wind gusts. 

SOURCE...Public. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

Locations impacted include...
Olney, Newton, Ste. Marie, Willow Hill, Claremont, Dundas, Ingraham,
West Liberty, Bogota, Wakefield, Wendelin and Newton Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage across the warned area. SEEK SHELTER NOW inside a sturdy 
structure and stay away from windows.
 
&&

LAT...LON 3877 8812 3881 8836 3883 8854 3907 8795
      3885 8795 3885 8791 3857 8791 3868 8792
TIME...MOT...LOC 1641Z 239DEG 40KT 3896 8836 3889 8788 3871 8769 

HAIL...<.75IN
WIND...70MPH
 
$$

Barker

002 
WWUS53 KILX 311659
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1159 AM CDT THU MAY 31 2018

ILC025-159-311708-
/O.CAN.KILX.SV.W.0049.000000T0000Z-180531T1715Z/
Richland-Clay-
1159 AM CDT THU MAY 31 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN RICHLAND AND
NORTHEASTERN CLAY COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area.  Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 500 PM CDT for
southeastern Illinois.

LAT...LON 3886 8833 3893 8829 3907 8795 3885 8795
TIME...MOT...LOC 1658Z 240DEG 37KT 3901 8821 3894 8773 3876 8754 

$$

ILC079-311715-
/O.CON.KILX.SV.W.0049.000000T0000Z-180531T1715Z/
Jasper-
1159 AM CDT THU MAY 31 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT
FOR SOUTHERN JASPER COUNTY...

At 1158 AM CDT, severe thunderstorms were located along a line
extending from near Newton to New Hebron to near Russellville, moving
northeast at 40 mph.

HAZARD...70 mph wind gusts. 

SOURCE...Public. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

Locations impacted include...
Newton, Ste. Marie, Willow Hill, West Liberty and Bogota. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3886 8833 3893 8829 3907 8795 3885 8795
TIME...MOT...LOC 1658Z 240DEG 37KT 3901 8821 3894 8773 3876 8754 

HAIL...<.75IN
WIND...70MPH
 
$$

Barker

590 
WWUS53 KILX 311710
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1210 PM CDT THU MAY 31 2018

ILC079-311719-
/O.EXP.KILX.SV.W.0049.000000T0000Z-180531T1715Z/
Jasper-
1210 PM CDT THU MAY 31 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN JASPER COUNTY WILL
EXPIRE AT 1215 PM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However gusty winds
are still possible with these thunderstorms.

A severe thunderstorm watch remains in effect until 500 PM CDT for
southeastern Illinois.

LAT...LON 3886 8833 3893 8829 3907 8795 3885 8795
TIME...MOT...LOC 1709Z 239DEG 40KT 3906 8811 3899 8763 3881 8744 

$$

Barker

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 10:33 AM CDT	Severe Thunderstorm Warning	ILX	Clay, Jasper, Richland	57 min
May 31, 11:10 AM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham, Jasper	46 min
May 31, 11:14 AM CDT	Severe Thunderstorm Warning	ILX	Crawford, Lawrence	61 min
May 31, 4:03 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean	42 min
May 31, 4:33 PM CDT	Special Weather Statement	ILX	Champaign	42 min
May 31, 5:06 PM CDT	Special Weather Statement	ILX	Champaign	39 min
May 31, 5:42 PM CDT	Special Weather Statement	ILX	Vermilion	48 min
May 31, 6:06 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	39 min
May 31, 6:34 PM CDT	Special Weather Statement	ILX	Edgar	41 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2018 Every severe thunderstorm warning in 2018

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.