Alert archive / Illinois / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 9, NWS Lincoln, IL

February 28, 2017Clay County, Jasper County, Richland County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Feb 28, 2017, 7:38 PM CST for Clay County, Jasper County, Richland County, Illinois. It was in force for 67 min. 3 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: Feb 28, 2017, 7:38 PM CST (01:38 UTC)
Expired: Feb 28, 2017, 8:45 PM CST
In force: 67 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Evansville,IN radar (KVWX), 78 km from the middle of the area, began a volume at 01:41 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.

What was reported inside it

Time	Report	Where
Feb 28, 7:54 PM CST	HAIL 0.88	2 S Xenia, IL
Feb 28, 8:01 PM CST	HAIL 1	S Xenia, IL
Feb 28, 8:07 PM CST	HAIL 1.25	3 Se Xenia, IL

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
Feb 28, 2:57 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.6 hours before the alert went out and 153 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: 687 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 887 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 395 m²/s²
0-3 km storm-relative helicity: 431 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 6.7

Open this sounding in Storm Lab

The text

As transmitted.

274 
WUUS53 KILX 010138
SVRILX
ILC025-079-159-010245-
/O.NEW.KILX.SV.W.0009.170301T0138Z-170301T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
738 PM CST TUE FEB 28 2017

The National Weather Service in Lincoln has issued a

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

* Until 845 PM CST

* At 738 PM CST, severe thunderstorms were located along a line
  extending from near Iola to 6 miles west of Helm, moving northeast
  at 50 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. 

* Locations impacted include...
  Olney, Flora, Newton, Louisville, Clay City, Noble, Xenia, Bible
  Grove, Ste. Marie, Willow Hill, Claremont, Calhoun, Iola, Sailor
  Springs, Ingraham, Bogota, Schnell, West Liberty, Dundas and
  Oskaloosa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

&&

A tornado watch remains in effect until 1000 PM CST for south
central, southeastern and east central Illinois.

LAT...LON 3860 8816 3861 8870 3889 8870 3892 8864
      3891 8837 3902 8836 3917 8795 3863 8796
      3859 8815
TIME...MOT...LOC 0138Z 245DEG 45KT 3879 8870 3853 8884 

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

Shimon

5 follow-up statements

976 
WWUS53 KILX 010149
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
749 PM CST TUE FEB 28 2017

ILC025-079-159-010245-
/O.CON.KILX.SV.W.0009.000000T0000Z-170301T0245Z/
Jasper-Richland-Clay-
749 PM CST TUE FEB 28 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR JASPER...RICHLAND AND CLAY COUNTIES...

At 749 PM CST, severe thunderstorms were located along a line
extending from near Bogota to near Louisville to near Xenia, moving
northeast at 55 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. 

Locations impacted include...
Olney, Flora, Newton, Louisville, Clay City, Noble, Xenia, Bible
Grove, Ste. Marie, Willow Hill, Claremont, Calhoun, Iola, Sailor
Springs, Ingraham, Bogota, Schnell, West Liberty, Dundas and
Oskaloosa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

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

&&

A tornado watch remains in effect until 1000 PM CST for south
central, southeastern and east central Illinois.

LAT...LON 3860 8816 3861 8870 3889 8870 3892 8864
      3891 8837 3902 8836 3917 8795 3863 8796
      3859 8815
TIME...MOT...LOC 0149Z 234DEG 68KT 3893 8828 3878 8856 3860 8870 

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

Shimon

516 
WWUS53 KILX 010203
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
803 PM CST TUE FEB 28 2017

ILC025-079-159-010245-
/O.CON.KILX.SV.W.0009.000000T0000Z-170301T0245Z/
Jasper-Richland-Clay-
803 PM CST TUE FEB 28 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR JASPER...RICHLAND AND CLAY COUNTIES...

At 802 PM CST, severe thunderstorms were located along a line
extending from near Willow Hill to Ingraham to near Xenia, moving
east at 60 mph.

HAZARD...Quarter size hail. 

SOURCE...Trained weather spotters. 

IMPACT...Damage to vehicles is expected. 

At 8 PM CST, trained spotters reported quarter sized hail just south
of Xenia.

Locations impacted include...
Olney, Flora, Newton, Louisville, Clay City, Noble, Xenia, Bible
Grove, Ste. Marie, Willow Hill, Claremont, Calhoun, Sailor Springs,
Ingraham, Bogota, Schnell, West Liberty, Dundas, Hunt City and Yale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

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

&&

A tornado watch remains in effect until 1000 PM CST for south
central, southeastern and east central Illinois.

LAT...LON 3860 8816 3861 8870 3888 8851 3891 8837
      3902 8836 3917 8795 3863 8796 3859 8815
TIME...MOT...LOC 0202Z 248DEG 51KT 3898 8808 3884 8836 3861 8860 

HAIL...1.00IN
WIND...<50MPH
 
$$

Shimon

505 
WWUS53 KILX 010215
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
815 PM CST TUE FEB 28 2017

ILC025-079-159-010245-
/O.CON.KILX.SV.W.0009.000000T0000Z-170301T0245Z/
Jasper-Richland-Clay-
815 PM CST TUE FEB 28 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR SOUTHEASTERN JASPER...RICHLAND AND SOUTHERN CLAY COUNTIES...

At 815 PM CST, severe thunderstorms were located along a line
extending from near West Liberty to near Clay City, moving east at
55 mph.

HAZARD...Quarter size hail. 

SOURCE...Trained weather spotters. 

IMPACT...Damage to vehicles is expected. 

Locations impacted include...
Olney, Flora, Newton, Clay City, Noble, Xenia, Ste. Marie, Willow
Hill, Claremont, Calhoun, Sailor Springs, West Liberty, Dundas,
Schnell, Hunt City, Wakefield, Olney Noble Airport and Wendelin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

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

&&

A tornado watch remains in effect until 1000 PM CST for south central
and southeastern Illinois.

LAT...LON 3860 8816 3861 8870 3871 8853 3880 8837
      3897 8817 3911 8795 3863 8796 3859 8815
TIME...MOT...LOC 0215Z 248DEG 55KT 3890 8809 3865 8838 

HAIL...1.00IN
WIND...<50MPH
 
$$

Shimon

025 
WWUS53 KILX 010226
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
826 PM CST TUE FEB 28 2017

ILC079-010236-
/O.CAN.KILX.SV.W.0009.000000T0000Z-170301T0245Z/
Jasper-
826 PM CST TUE FEB 28 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JASPER COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 1000 PM CST for south central
and southeastern Illinois.

LAT...LON 3860 8815 3861 8856 3871 8848 3876 8835
      3884 8821 3876 8810 3864 8796 3863 8796
      3859 8814
TIME...MOT...LOC 0226Z 245DEG 31KT 3868 8833 

$$

ILC025-159-010245-
/O.CON.KILX.SV.W.0009.000000T0000Z-170301T0245Z/
Richland-Clay-
826 PM CST TUE FEB 28 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR SOUTHWESTERN RICHLAND AND SOUTHEASTERN CLAY COUNTIES...

At 826 PM CST, a severe thunderstorm was located over Clay City, or 8
miles east of Flora, moving northeast at 35 mph.

HAZARD...Quarter size hail. 

SOURCE...Trained weather spotters. 

IMPACT...Damage to vehicles is expected. 

Locations impacted include...
Olney, Flora, Clay City, Noble, Calhoun, Schnell and Olney Noble
Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

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

&&

A tornado watch remains in effect until 1000 PM CST for south central
and southeastern Illinois.

LAT...LON 3860 8815 3861 8856 3871 8848 3876 8835
      3884 8821 3876 8810 3864 8796 3863 8796
      3859 8814
TIME...MOT...LOC 0226Z 245DEG 31KT 3868 8833 

HAIL...1.00IN
WIND...<50MPH
 
$$

Shimon

589 
WWUS53 KILX 010244
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
844 PM CST TUE FEB 28 2017

ILC025-159-010252-
/O.EXP.KILX.SV.W.0009.000000T0000Z-170301T0245Z/
Richland-Clay-
844 PM CST TUE FEB 28 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN RICHLAND AND
SOUTHEASTERN CLAY COUNTIES WILL EXPIRE AT 845 PM CST...
        
The storm which prompted the warning has moved out of Clay County.
Therefore the warning will be allowed to expire.

Remember, a Tornado Warning still remains in effect for
Richlandcounty until 915 PM.

A tornado watch remains in effect until 1000 PM CST for south central
and southeastern Illinois.

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

LAT...LON 3860 8815 3861 8856 3871 8848 3876 8835
      3884 8821 3876 8810 3864 8796 3863 8796
      3859 8814
TIME...MOT...LOC 0242Z 245DEG 45KT 3876 8812 

$$

Shimon

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 6:27 PM CST	Severe Thunderstorm Warning	ILX	Shelby	28 min
Feb 28, 6:54 PM CST	Severe Thunderstorm Warning	ILX	Coles, Douglas, Moultrie	10 min
Feb 28, 8:00 PM CST	Special Weather Statement	ILX	Marshall	30 min
Feb 28, 8:34 PM CST	Tornado Warning	ILX	Clay, Richland	41 min
Feb 28, 9:04 PM CST	Tornado Warning	ILX	Crawford, Lawrence, Richland	41 min
Feb 28, 9:29 PM CST	Tornado Warning	ILX	Cass, Schuyler	23 min
Feb 28, 9:50 PM CST	Special Weather Statement	ILX	Marshall, Peoria, Tazewell, Woodford	40 min
Feb 28, 10:32 PM CST	Special Weather Statement	ILX	McLean	28 min
Feb 28, 10:44 PM CST	Severe Thunderstorm Warning	ILX	McLean	46 min
Feb 28, 11:33 PM CST	Special Weather Statement	ILX	DeWitt, Piatt	57 min
Mar 1, 12:21 AM CST	Special Weather Statement	ILX	Champaign, Vermilion	54 min
Mar 1, 12:55 AM CST	Special Weather Statement	ILX	Coles, Douglas, Edgar, Moultrie	65 min
Mar 1, 2:27 AM CST	Special Weather Statement	ILX	Effingham, Jasper	48 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2017 Every severe thunderstorm warning in 2017

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.