Alert archive / Illinois / Tornado Warnings in 2017

Tornado Warning 3, NWS Lincoln, IL

February 28, 2017Christian County, Illinois

NWS Lincoln, IL issued this tornado warning at Feb 28, 2017, 5:36 PM CST for Christian County, Illinois. It was in force for 24 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: Feb 28, 2017, 5:36 PM CST (23:36 UTC)
Expired: Feb 28, 2017, 6:00 PM CST
In force: 24 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Christian County, IL

The radar

The Lincoln radar (KILX), 62 km from the middle of the area, began a volume at 23:38 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 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 12:00Z, 11.6 hours before the alert went out and 83 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: 569 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 276 m²/s²
0-3 km storm-relative helicity: 285 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

079 
WFUS53 KILX 282336
TORILX
ILC021-010000-
/O.NEW.KILX.TO.W.0003.170228T2336Z-170301T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
536 PM CST TUE FEB 28 2017

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Central Christian County in central Illinois...

* Until 600 PM CST
    
* At 535 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Morrisonville, or 12 miles west of Taylorville,
  moving northeast at 55 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Kincaid, Bulpitt and Jeisyville around 545 PM CST. 
  Taylorville around 550 PM CST. 
  Stonington around 555 PM CST. 
  Moweaqua around 600 PM CST. 

Other locations impacted by this tornadic thunderstorm include
Palmer, Sharpsburg, Taylorville Airport, Willeys and Owaneco.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3952 8953 3973 8922 3969 8914 3966 8914
      3966 8907 3964 8904 3952 8904 3940 8953
TIME...MOT...LOC 2335Z 239DEG 49KT 3947 8949 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Auten

1 follow-up statement

352 
WWUS53 KILX 282352
SVSILX

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

ILC021-010001-
/O.EXP.KILX.TO.W.0003.000000T0000Z-170301T0000Z/
Christian-
552 PM CST TUE FEB 28 2017

...THE TORNADO WARNING FOR CENTRAL CHRISTIAN COUNTY WILL EXPIRE AT
600 PM CST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.

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

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

LAT...LON 3952 8953 3973 8922 3969 8914 3966 8914
      3966 8907 3964 8904 3952 8904 3940 8953
TIME...MOT...LOC 2351Z 239DEG 49KT 3956 8929 

$$

Goetsch

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 3:35 PM CST	Severe Thunderstorm Warning	ILX	Stark	25 min
Feb 28, 3:50 PM CST	Severe Thunderstorm Warning	ILX	Knox	26 min
Feb 28, 4:11 PM CST	Severe Thunderstorm Warning	ILX	Knox	36 min
Feb 28, 4:33 PM CST	Severe Thunderstorm Warning	ILX	Morgan, Scott	29 min
Feb 28, 4:44 PM CST	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Stark	51 min
Feb 28, 5:05 PM CST	Tornado Warning	ILX	Marshall, Peoria, Woodford	25 min
Feb 28, 5:28 PM CST	Tornado Warning Tornado observed	ILX	Marshall, Woodford	32 min
Feb 28, 5:32 PM CST	Severe Thunderstorm Warning	ILX	Marshall	28 min

Nearby

Tornado Warnings in Illinois, 2017 Every tornado warning in 2017 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.