Alert archive / Illinois / Tornado Warnings in 2014

Tornado Warning 3, NWS Lincoln, IL

February 20, 20144 counties in Illinois

NWS Lincoln, IL issued this tornado warning at Feb 20, 2014, 4:08 PM CST for 4 counties in Illinois. It was in force for 22 min. 1 report 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 20, 2014, 4:08 PM CST (22:08 UTC)
Expired: Feb 20, 2014, 4:30 PM CST
In force: 22 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties DeWitt County, IL, Logan County, IL, Macon County, IL, Sangamon County, IL

The radar

The Lincoln radar (KILX), 32 km from the middle of the area, began a volume at 22:10 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
Feb 20, 4:15 PM CST	TSTM WND DMG	1 W Kenney, IL	TREE BLOWN DOWN.

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 20, 1:36 PM CST	Severe Thunderstorm Watch	SPC	4 hr
Feb 20, 3:50 PM CST	Severe Thunderstorm Watch	SPC	56 min

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.1 hours before the alert went out and 53 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: 507 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 582 m²/s²
0-3 km storm-relative helicity: 576 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

194 
WFUS53 KILX 202208
TORILX
ILC039-107-115-167-202230-
/O.NEW.KILX.TO.W.0003.140220T2208Z-140220T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
408 PM CST THU FEB 20 2014

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN DE WITT COUNTY IN CENTRAL ILLINOIS...
  SOUTHEASTERN LOGAN COUNTY IN CENTRAL ILLINOIS...
  NORTHWESTERN MACON COUNTY IN CENTRAL ILLINOIS...
  NORTHEASTERN SANGAMON COUNTY IN CENTRAL ILLINOIS...

* UNTIL 430 PM CST

* AT 406 PM CST...A SEVERE SQUALL LINE CAPABLE OF PRODUCING TORNADOES
  THAT MAY NOT BE VISIBLE DUE TO HEAVY RAIN WAS LOCATED NEAR
  ILLIOPOLIS...AND MOVING NORTHEAST AT 70 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...
  LATHAM...WARRENSBURG...CHESTNUT...KENNEY...MAROA AND ROWELL.

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 121 AND 126.

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A BUILDING.

&&

LAT...LON 4005 8877 3981 8922 3981 8923 3982 8924
      3981 8926 3982 8926 3987 8933 4015 8917
TIME...MOT...LOC 2209Z 225DEG 61KT 3989 8920

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

$$

BARKER

1 follow-up statement

029 
WWUS53 KILX 202228
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
428 PM CST THU FEB 20 2014

ILC039-107-115-167-202238-
/O.EXP.KILX.TO.W.0003.000000T0000Z-140220T2230Z/
LOGAN IL-MACON IL-SANGAMON IL-DE WITT IL-
428 PM CST THU FEB 20 2014

...THE TORNADO WARNING FOR SOUTHWESTERN DE WITT...NORTHEASTERN
SANGAMON...NORTHWESTERN MACON AND SOUTHEASTERN LOGAN COUNTIES WILL
EXPIRE AT 430 PM CST...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 4005 8877 3981 8922 3981 8923 3982 8924
      3981 8926 3982 8926 3987 8933 4015 8917
TIME...MOT...LOC 2228Z 225DEG 61KT 4011 8890

$$

BARKER

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 19, 8:02 PM CST	River Flood Warning	ILX	Clay, Richland	7 days
Feb 19, 9:16 PM CST	High Wind Watch	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	6 hr
Feb 19, 11:12 PM CST	River Flood Warning	ILX	Fulton, Knox	5 days
Feb 19, 11:12 PM CST	River Flood Warning	ILX	Fulton	4 days
Feb 20, 3:15 AM CST	High Wind Warning	ILX	Cass, Champaign, Christian, DeWitt, Douglas, Edgar and 19 more	20 hr
Feb 20, 3:15 AM CST	Wind Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	24 hr
Feb 20, 11:46 AM CST	Areal Flood Warning	ILX	Knox, Stark	5 hr
Feb 20, 2:20 PM CST	Severe Thunderstorm Warning	ILX	Cass, Mason, Menard, Morgan, Sangamon, Schuyler and 1 more	40 min
Feb 20, 2:40 PM CST	Dense Fog Advisory	ILX	Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more	2 hr
Feb 20, 2:45 PM CST	Severe Thunderstorm Warning	ILX	Fulton, Schuyler	30 min
Feb 20, 2:49 PM CST	Tornado Warning	ILX	Cass, Mason, Morgan, Scott	26 min
Feb 20, 3:17 PM CST	Severe Thunderstorm Warning	ILX	Mason, Menard	28 min
Feb 20, 3:29 PM CST	Severe Thunderstorm Warning	ILX	Christian, Sangamon	31 min
Feb 20, 3:49 PM CST	Tornado Warning	ILX	Christian, Sangamon	26 min
Feb 20, 4:01 PM CST	Severe Thunderstorm Warning	ILX	Christian, Coles, Douglas, Macon, Moultrie, Piatt and 1 more	59 min
Feb 20, 4:09 PM CST	Flash Flood Warning	ILX	Sangamon	5 hr
Feb 20, 4:11 PM CST	Tornado Warning	ILX	Christian, Shelby	34 min
Feb 20, 4:40 PM CST	Tornado Warning	ILX	Coles, Douglas, Moultrie, Piatt, Shelby	35 min
Feb 20, 4:47 PM CST	Tornado Warning	ILX	Effingham, Moultrie, Shelby	28 min
Feb 20, 5:06 PM CST	Severe Thunderstorm Warning	ILX	Clark, Coles, Crawford, Cumberland, Douglas, Edgar and 3 more	54 min
Feb 20, 5:12 PM CST	Tornado Warning	ILX	Coles, Douglas, Edgar	33 min
Feb 20, 5:14 PM CST	Tornado Warning	ILX	Clark, Coles, Cumberland, Edgar	31 min
Feb 20, 5:42 PM CST	Flash Flood Warning	ILX	DeWitt, Macon, Moultrie, Piatt, Shelby	6 hr
Feb 20, 5:45 PM CST	Tornado Warning	ILX	Edgar, Vermilion	30 min
Feb 20, 5:48 PM CST	Flash Flood Warning	ILX	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 7 more	6 hr

Nearby

Tornado Warnings in Illinois, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.