Alert archive / Illinois / Tornado Warnings in 2013

Tornado Warning 18, NWS Lincoln, IL

November 17, 2013Christian County, Shelby County, Illinois

NWS Lincoln, IL issued this tornado warning at Nov 17, 2013, 11:55 AM CST for Christian County, Shelby County, Illinois. It was in force for 50 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: Nov 17, 2013, 11:55 AM CST (17:55 UTC)
Expired: Nov 17, 2013, 12:45 PM CST
In force: 50 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Christian County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 81 km from the middle of the area, began a volume at 17:55 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
Nov 17, 12:14 PM CST	HAIL 2.75	Assumption, IL
Nov 17, 12:30 PM CST	TSTM WND DMG	1 S Findlay, IL	SEVERAL POWER POLES SNAPPED OFF.

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
Nov 17, 8:40 AM CST	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.9 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: 1021 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 506 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 398 m²/s²
0-3 km storm-relative helicity: 396 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 11.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

830 
WFUS53 KILX 171755
TORILX
ILC021-173-171845-
/O.NEW.KILX.TO.W.0018.131117T1755Z-131117T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1155 AM CST SUN NOV 17 2013

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CHRISTIAN COUNTY IN CENTRAL ILLINOIS...
  NORTHWESTERN SHELBY COUNTY IN CENTRAL ILLINOIS...

* UNTIL 1245 PM CST

* AT 1150 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 6 MILES NORTHWEST OF NOKOMIS...AND MOVING
  NORTHEAST AT 60 MPH.

  HAZARD...TORNADO.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
           ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
           WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
           LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  PANA...ASSUMPTION...TOWER HILL...WESTERVELT...FINDLAY...
  VANDERVILLE...ROSAMOND...OWANECO AND EAGLE CREEK STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3935 8915 3935 8942 3939 8945 3963 8899
      3965 8881 3959 8881 3957 8872 3952 8872
      3948 8869 3932 8914
TIME...MOT...LOC 1755Z 243DEG 54KT 3938 8930

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

SHIMON

1 follow-up statement

802 
WWUS53 KILX 171821
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1221 PM CST SUN NOV 17 2013

ILC021-173-171831-
/O.CAN.KILX.TO.W.0018.000000T0000Z-131117T1845Z/
SHELBY IL-CHRISTIAN IL-
1221 PM CST SUN NOV 17 2013

...THE TORNADO WARNING FOR SOUTHEASTERN CHRISTIAN AND NORTHWESTERN
SHELBY COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER...GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 4 PM CST.

LAT...LON 3935 8915 3935 8942 3939 8945 3963 8899
      3965 8881 3959 8881 3957 8872 3952 8872
      3948 8869 3932 8914
TIME...MOT...LOC 1821Z 243DEG 54KT 3955 8885

$$

BARNES

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 16, 11:50 PM CST	Special Weather Statement	ILX	Crawford	25 min
Nov 16, 11:53 PM CST	Severe Thunderstorm Warning	ILX	Crawford	37 min
Nov 17, 2:50 AM CST	High Wind Warning	ILX	Champaign, DeWitt, Fulton, Knox, Logan, McLean and 8 more	15 hr
Nov 17, 10:01 AM CST	Severe Thunderstorm Warning	ILX	Fulton, Knox, Peoria	44 min
Nov 17, 10:37 AM CST	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	53 min
Nov 17, 10:42 AM CST	Tornado Warning	ILX	Logan, Mason, Menard, Sangamon	33 min
Nov 17, 10:50 AM CST	Tornado Warning	ILX	Peoria, Tazewell, Woodford	25 min
Nov 17, 10:57 AM CST	Tornado Warning	ILX	Marshall, Tazewell, Woodford	33 min
Nov 17, 11:12 AM CST	Tornado Warning Tornado observed	ILX	Marshall, Tazewell, Woodford	33 min
Nov 17, 11:12 AM CST	Tornado Warning	ILX	Christian, Sangamon	33 min
Nov 17, 11:18 AM CST	Severe Thunderstorm Warning	ILX	Cass, Logan, Mason, Menard	42 min
Nov 17, 11:29 AM CST	Tornado Warning	ILX	Christian, Macon	31 min
Nov 17, 11:31 AM CST	Tornado Warning	ILX	Logan, McLean, Tazewell	29 min
Nov 17, 11:43 AM CST	Severe Thunderstorm Warning	ILX	Christian, Macon, Shelby	47 min
Nov 17, 11:49 AM CST	Severe Thunderstorm Warning	ILX	Fulton, Knox, Marshall, Mason, Peoria, Stark and 2 more	41 min
Nov 17, 11:54 AM CST	Tornado Warning	ILX	McLean	36 min
Nov 17, 12:09 PM CST	Severe Thunderstorm Warning	ILX	McLean	51 min
Nov 17, 12:18 PM CST	Severe Thunderstorm Warning	ILX	Coles, Douglas, Macon, Moultrie, Piatt, Shelby	42 min
Nov 17, 12:19 PM CST	Tornado Warning	ILX	Champaign, Piatt	41 min
Nov 17, 12:26 PM CST	Tornado Warning	ILX	Cumberland, Effingham, Jasper, Shelby	49 min
Nov 17, 12:36 PM CST	Tornado Warning	ILX	Champaign, Douglas, Piatt	39 min
Nov 17, 12:39 PM CST	Tornado Warning	ILX	Clay, Effingham	51 min
Nov 17, 12:44 PM CST	Tornado Warning	ILX	Champaign	31 min
Nov 17, 12:50 PM CST	Tornado Warning	ILX	Vermilion	40 min
Nov 17, 12:56 PM CST	Severe Thunderstorm Warning	ILX	Coles, Douglas, Edgar, Moultrie, Vermilion	49 min
Nov 17, 12:58 PM CST	Tornado Warning	ILX	Vermilion	32 min
Nov 17, 1:15 PM CST	Tornado Warning	ILX	Crawford, Jasper, Richland	45 min
Nov 17, 1:25 PM CST	Tornado Warning	ILX	Edgar	20 min
Nov 17, 1:38 PM CST	Tornado Warning	ILX	Lawrence	37 min

Nearby

Tornado Warnings in Illinois, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.