Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 38, NWS Lincoln, IL

May 25, 2011McLean County, Illinois

NWS Lincoln, IL issued this tornado warning at May 25, 2011, 6:12 PM CDT for McLean County, Illinois. It was in force for 40 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: May 25, 2011, 6:12 PM CDT (23:12 UTC)
Expired: May 25, 2011, 6:52 PM CDT
In force: 40 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

County McLean County, IL

The radar

The Lincoln radar (KILX), 69 km from the middle of the area, began a volume at 23:14 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
May 25, 6:13 PM CDT	TSTM WND DMG	3 Se Downs, IL	SEMI BLOWN OVER AT I-74 MILE MARKER 145
May 25, 6:15 PM CDT	TORNADO	Holder, IL	TORNADO MOVING NORTHEAST
May 25, 6:22 PM CDT	TORNADO	1 S Ellsworth, IL	TORNADO MOVING NORTHEAST

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
May 25, 2:31 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.2 hours before the alert went out and 44 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: 1832 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 561 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 253 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 10.1

Open this sounding in Storm Lab

The text

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

611 
WFUS53 KILX 252312
TORILX
ILC113-260000-
/O.NEW.KILX.TO.W.0038.110525T2312Z-110526T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
612 PM CDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN MCLEAN COUNTY IN CENTRAL ILLINOIS...

* UNTIL 700 PM CDT.

* AT 609 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR
  DOWNS...OR 10 MILES SOUTHEAST OF BLOOMINGTON. DOPPLER RADAR SHOWED
  THIS TORNADO MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  COOKSVILLE...COLFAX...LEXINGTON...CHENOA...MORAINE VIEW STATE
  PARK...HOLDER...ELLSWORTH...PLEASANT HILL...ANCHOR AND WESTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4062 8857 4062 8850 4061 8850 4028 8878
      4028 8888 4034 8901 4052 8885 4075 8878
      4076 8858
TIME...MOT...LOC 2312Z 211DEG 31KT 4039 8884

$$

BARKER

2 follow-up statements

726 
WWUS53 KILX 252330
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
630 PM CDT WED MAY 25 2011

ILC113-260000-
/O.CON.KILX.TO.W.0038.000000T0000Z-110526T0000Z/
MCLEAN IL-
630 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN MCLEAN COUNTY
UNTIL 700 PM CDT...

AT 628 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR LEXINGTON...OR 15 MILES NORTHEAST OF
BLOOMINGTON...MOVING NORTH AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  CHENOA AND WESTON.

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 4062 8857 4062 8850 4061 8850 4028 8878
      4028 8888 4034 8901 4052 8885 4075 8878
      4076 8858
TIME...MOT...LOC 2331Z 197DEG 54KT 4065 8873

$$

BARKER

454 
WWUS53 KILX 252352
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
652 PM CDT WED MAY 25 2011

ILC113-260002-
/O.CAN.KILX.TO.W.0038.000000T0000Z-110526T0000Z/
MCLEAN IL-
652 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR EASTERN MCLEAN COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 10 PM.

LAT...LON 4062 8857 4062 8850 4061 8850 4028 8878
      4028 8888 4034 8901 4052 8885 4075 8878
      4076 8858
TIME...MOT...LOC 2352Z 197DEG 54KT 4095 8861

$$

BARKER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 2:25 AM CDT	Special Weather Statement	ILX	Morgan, Scott	65 min
May 25, 5:47 AM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Menard, Sangamon	58 min
May 25, 6:57 AM CDT	Special Weather Statement	ILX	Christian, Macon, Moultrie, Piatt, Shelby	63 min
May 25, 7:57 AM CDT	Tornado Warning	ILX	Piatt	13 min
May 25, 8:16 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	44 min
May 25, 9:29 AM CDT	River Flood Warning	ILX	Fulton, Knox	7 days
May 25, 9:29 AM CDT	River Flood Warning	ILX	Fulton	7 days
May 25, 11:59 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Edgar, Vermilion	61 min
May 25, 12:49 PM CDT	Areal Flood Advisory	ILX	Edgar, Vermilion	6 hr
May 25, 12:54 PM CDT	Severe Thunderstorm Warning	ILX	Shelby	66 min
May 25, 1:10 PM CDT	Tornado Warning	ILX	Effingham, Shelby	31 min
May 25, 1:20 PM CDT	Flash Flood Watch	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	10 hr
May 25, 1:44 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas, Moultrie	51 min
May 25, 2:23 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	23 min
May 25, 2:44 PM CDT	Severe Thunderstorm Warning	ILX	Edgar, Vermilion	38 min
May 25, 3:20 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	25 min
May 25, 3:47 PM CDT	Tornado Warning	ILX	Cass, Morgan, Scott	43 min
May 25, 4:02 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Sangamon	58 min
May 25, 4:17 PM CDT	Tornado Warning	ILX	Christian, Sangamon	25 min
May 25, 4:29 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Morgan, Schuyler	61 min
May 25, 4:33 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard, Morgan, Sangamon	57 min
May 25, 4:57 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Logan, Menard, Sangamon	51 min
May 25, 5:00 PM CDT	Severe Thunderstorm Warning	ILX	Douglas, Macon, Moultrie, Piatt, Shelby	60 min
May 25, 5:01 PM CDT	Flash Flood Warning	ILX	Cass, Fulton, Schuyler	3 hr
May 25, 5:07 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	38 min
May 25, 5:08 PM CDT	Flash Flood Warning	ILX	Christian, Sangamon	3 hr
May 25, 5:13 PM CDT	Tornado Warning	ILX	Christian, Shelby	32 min
May 25, 5:19 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Logan, Mason, Menard, Tazewell	35 min
May 25, 5:37 PM CDT	Severe Thunderstorm Warning	ILX	Macon, Piatt, Shelby	38 min
May 25, 5:42 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean, Macon, Piatt	37 min
May 25, 5:45 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, McLean, Peoria, Tazewell, Woodford	60 min
May 25, 5:51 PM CDT	Tornado Warning	ILX	DeWitt, McLean	24 min
May 25, 5:58 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Piatt	47 min
May 25, 6:01 PM CDT	Areal Flood Advisory	ILX	Christian, Logan, Macon, Sangamon	116 min
May 25, 6:11 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham, Jasper	49 min
May 25, 6:15 PM CDT	Severe Thunderstorm Warning	ILX	Knox, McLean, Marshall, Peoria, Stark, Woodford	40 min
May 25, 6:19 PM CDT	Flash Flood Warning	ILX	Knox	4 hr
May 25, 6:27 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	33 min
May 25, 6:42 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Coles, Douglas, Moultrie, Piatt	33 min
May 25, 6:53 PM CDT	Tornado Warning	ILX	Champaign, Piatt	37 min
May 25, 6:57 PM CDT	Areal Flood Advisory	ILX	Champaign, Coles, DeWitt, Douglas, Moultrie, Piatt	4 hr

Nearby

Tornado Warnings in Illinois, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.