Alert archive / Illinois / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 21, NWS Lincoln, IL

March 7, 20174 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 7, 2017, 1:57 AM CST for 4 counties in Illinois. It was in force for 48 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: Mar 7, 2017, 1:57 AM CST (07:57 UTC)
Expired: Mar 7, 2017, 2:45 AM CST
In force: 48 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Coles County, IL, Cumberland County, IL, Douglas County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 111 km from the middle of the area, began a volume at 07:59 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
Mar 7, 2:10 AM CST	TSTM WND DMG	2 Se Mattoon, IL	SEMI BLOWN OVER AT I-57 AT MILE MARKER 187.
Mar 7, 2:17 AM CST	TSTM WND GST 52	Coles County Airport, 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
Mar 6, 10:35 PM CST	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 8.0 hours before the alert went out and 68 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: 4 J/kg
Mixed-layer CIN: -285 J/kg
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 475 m²/s²
0-3 km storm-relative helicity: 484 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

659 
WUUS53 KILX 070757
SVRILX
ILC029-035-041-173-070845-
/O.NEW.KILX.SV.W.0021.170307T0757Z-170307T0845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
157 AM CST TUE MAR 7 2017

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Coles County in east central Illinois...
  Southeastern Shelby County in central Illinois...
  Cumberland County in east central Illinois...
  Douglas County in east central Illinois...

* Until 245 AM CST

* At 156 AM CST, severe thunderstorms were located along a line
  extending from near Pesotum to near Stewardson, moving east at 65
  mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Charleston, Mattoon, Tuscola, Toledo, Arcola, Villa Grove, Arthur,
  Neoga, Greenup, Atwood, Oakland, Newman, Ashmore, Windsor,
  Stewardson, Camargo, Humboldt, Hindsboro, Lerna and Cooks Mill.

This includes the following highways...
 Interstate 57 between mile markers 169 and 217.
 Interstate 70 between mile markers 115 and 119, and between mile
markers 121 and 125.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3979 8795 3979 8797 3924 8803 3922 8867
      3948 8860 3945 8858 3945 8847 3988 8846
      3987 8794
TIME...MOT...LOC 0756Z 249DEG 58KT 3991 8832 3924 8865 

HAIL...<.75IN
WIND...60MPH
 
$$

Miller

2 follow-up statements

644 
WWUS53 KILX 070819
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
219 AM CST TUE MAR 7 2017

ILC173-070828-
/O.CAN.KILX.SV.W.0021.000000T0000Z-170307T0845Z/
Shelby-
219 AM CST TUE MAR 7 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHELBY COUNTY 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 AM CST for
east central Illinois.

LAT...LON 3979 8795 3979 8797 3924 8803 3923 8838
      3947 8832 3987 8813 3987 8794
TIME...MOT...LOC 0818Z 249DEG 58KT 4003 8790 3936 8823 

$$

ILC029-035-041-070845-
/O.CON.KILX.SV.W.0021.000000T0000Z-170307T0845Z/
Coles-Cumberland-Douglas-
219 AM CST TUE MAR 7 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CST
FOR COLES...CENTRAL CUMBERLAND AND EASTERN DOUGLAS COUNTIES...

At 218 AM CST, severe thunderstorms were located along a line
extending from near Homer to Janesville, moving east at 65 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Charleston, Mattoon, Toledo, Greenup, Oakland, Newman, Ashmore,
Camargo, Hindsboro, Lerna, Janesville, Rardin, Hutton, Murdock,
Fairgrange, Fox Ridge State Park, Union Center, Bushton and Coles
County Airport.

This includes Interstate 70 between mile markers 115 and 119, and
between mile markers 121 and 125.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3979 8795 3979 8797 3924 8803 3923 8838
      3947 8832 3987 8813 3987 8794
TIME...MOT...LOC 0818Z 249DEG 58KT 4003 8790 3936 8823 

HAIL...<.75IN
WIND...60MPH
 
$$

Miller

182 
WWUS53 KILX 070839
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
239 AM CST TUE MAR 7 2017

ILC029-035-041-070848-
/O.EXP.KILX.SV.W.0021.000000T0000Z-170307T0845Z/
Coles-Cumberland-Douglas-
239 AM CST TUE MAR 7 2017

...THE SEVERE THUNDERSTORM WARNING FOR COLES...CENTRAL CUMBERLAND AND
EASTERN DOUGLAS COUNTIES WILL EXPIRE AT 245 AM CST...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.

A severe thunderstorm watch remains in effect until 500 AM CST for
east central Illinois.

LAT...LON 3979 8795 3979 8797 3924 8803 3923 8838
      3947 8832 3987 8813 3987 8794
TIME...MOT...LOC 0838Z 249DEG 58KT 4014 8754 3947 8787 

$$

Miller

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 6, 10:32 PM CST	Severe Thunderstorm Warning	ILX	Cass, Fulton, Knox, Mason, Peoria, Schuyler and 1 more	28 min
Mar 6, 10:58 PM CST	Severe Thunderstorm Warning	ILX	Fulton, Knox, Peoria, Schuyler, Stark	62 min
Mar 6, 10:59 PM CST	Tornado Warning	ILX	Knox	19 min
Mar 6, 11:03 PM CST	Tornado Warning	ILX	Knox	42 min
Mar 6, 11:08 PM CST	Tornado Warning	ILX	Fulton, Knox	37 min
Mar 6, 11:21 PM CST	Severe Thunderstorm Warning	ILX	Cass, Mason, Morgan, Scott	54 min
Mar 6, 11:49 PM CST	Severe Thunderstorm Warning	ILX	Cass, Fulton, Logan, Mason, Menard, Peoria and 2 more	56 min
Mar 6, 11:54 PM CST	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Stark, Woodford	38 min
Mar 7, 12:03 AM CST	Tornado Warning	ILX	McLean, Tazewell	27 min
Mar 7, 12:05 AM CST	Severe Thunderstorm Warning	ILX	Logan, Menard, Morgan, Sangamon	25 min
Mar 7, 12:21 AM CST	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Marshall, Woodford	54 min
Mar 7, 12:30 AM CST	Severe Thunderstorm Warning	ILX	Christian, DeWitt, Logan, Macon, Morgan, Sangamon	60 min
Mar 7, 1:16 AM CST	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Piatt, Shelby	44 min
Mar 7, 1:46 AM CST	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	29 min
Mar 7, 2:17 AM CST	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	28 min
Mar 7, 2:25 AM CST	Severe Thunderstorm Warning	ILX	Clark, Coles, Edgar	35 min
Mar 7, 2:37 AM CST	Special Weather Statement	ILX	Crawford, Jasper	23 min
Mar 7, 3:14 AM CST	Special Weather Statement	ILX	Lawrence	46 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.