Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 34, NWS Lincoln, IL

May 25, 2011Cass County, Morgan County, Scott County, Illinois

NWS Lincoln, IL issued this tornado warning at May 25, 2011, 3:47 PM CDT for Cass County, Morgan County, Scott County, Illinois. It was in force for 43 min. 5 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, 3:47 PM CDT (20:47 UTC)
Expired: May 25, 2011, 4:30 PM CDT
In force: 43 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

Counties Cass County, IL, Morgan County, IL, Scott County, IL

The radar

The Lincoln radar (KILX), 106 km from the middle of the area, began a volume at 20:51 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, 4:10 PM CDT	TSTM WND DMG	Winchester, IL	TREE LIMBS...TREES...POWER POLES AND POWER LINES BLOWN DOWN.
May 25, 4:10 PM CDT	HAIL 1	1 W Winchester, IL
May 25, 4:15 PM CDT	HAIL 0.5	Winchester, IL	SMALL TREE BRANCHES DOWN AS WELL
May 25, 4:18 PM CDT	TSTM WND DMG	Oxville, IL	STORAGE SHED DESTROYED.
May 25, 4:35 PM CDT	TSTM WND DMG	Beardstown, IL	TREES AND POWER LINES DOWN REPORTED BY CASS COUNTY SHERIFF OFFICE

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, 8.8 hours before the alert went out and 166 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.

736 
WFUS53 KILX 252047
TORILX
ILC017-137-171-252130-
/O.NEW.KILX.TO.W.0034.110525T2047Z-110525T2130Z/

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN CASS COUNTY IN WEST CENTRAL ILLINOIS...
  MORGAN COUNTY IN WEST CENTRAL ILLINOIS...
  SCOTT COUNTY IN WEST CENTRAL ILLINOIS...

* UNTIL 430 PM CDT.

* AT 346 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR BELLEVIEW...OR 14 MILES SOUTH OF
  PITTSFIELD...AND MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WINCHESTER...JACKSONVILLE...BEARDSTOWN...ALSEY...MANCHESTER...
  MURRAYVILLE...NAPLES...EXETER...BLUFFS...WOODSON...MEREDOSIA...
  CHAPIN...ARENZVILLE...BLUFF SPRINGS...LITERBERRY...GLASGOW...
  OXVILLE...RIGGSTON...LYNNVILLE AND MERRITT.

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 43 AND 74.

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 3982 9058 3988 9059 3992 9054 3994 9054
      3997 9052 3999 9052 4002 9044 3979 9004
      3952 9024 3951 9041 3952 9058 3958 9059
      3971 9065
TIME...MOT...LOC 2047Z 207DEG 33KT 3941 9078

$$

BARKER

4 follow-up statements

537 
WWUS53 KILX 252055
SVSILX

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

ILC017-137-171-252130-
/O.CON.KILX.TO.W.0034.000000T0000Z-110525T2130Z/
MORGAN IL-SCOTT IL-CASS IL-
355 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CASS...SCOTT
AND MORGAN COUNTIES UNTIL 430 PM CDT...

AT 351 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR WHITE HALL...MOVING NORTH AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  WINCHESTER...JACKSONVILLE...BEARDSTOWN...ALSEY...MANCHESTER...
  MURRAYVILLE...WOODSON...EXETER...NAPLES...BLUFFS...CHAPIN...
  ARENZVILLE...LITERBERRY...MEREDOSIA...BLUFF SPRINGS...GLASGOW...
  OXVILLE...RIGGSTON...LYNNVILLE AND LAKE JACKSONVILLE.

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 43 AND 74.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3982 9058 3988 9059 3992 9054 3994 9054
      3997 9052 3999 9052 4002 9044 3979 9004
      3952 9024 3951 9041 3952 9058 3958 9059
      3971 9065
TIME...MOT...LOC 2055Z 194DEG 30KT 3948 9042

$$

BARKER

131 
WWUS53 KILX 252103
SVSILX

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

ILC017-137-171-252130-
/O.CON.KILX.TO.W.0034.000000T0000Z-110525T2130Z/
MORGAN IL-SCOTT IL-CASS IL-
403 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CASS...SCOTT
AND MORGAN COUNTIES UNTIL 430 PM CDT...

AT 400 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 7 MILES SOUTHWEST OF ALSEY...OR 9 MILES SOUTHWEST
OF WINCHESTER...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  WINCHESTER...JACKSONVILLE...BEARDSTOWN...ALSEY...MANCHESTER...
  MURRAYVILLE...NAPLES...EXETER...WOODSON...BLUFFS...CHAPIN...
  MEREDOSIA...ARENZVILLE...LITERBERRY...BLUFF SPRINGS...GLASGOW...
  OXVILLE...RIGGSTON...LYNNVILLE AND MERRITT.

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 43 AND 74.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3982 9058 3988 9059 3992 9054 3994 9054
      3997 9052 3999 9052 4002 9044 3979 9004
      3952 9024 3951 9041 3952 9058 3958 9059
      3971 9065
TIME...MOT...LOC 2103Z 206DEG 41KT 3955 9053

$$

BARKER

770 
WWUS53 KILX 252107
SVSILX

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

ILC017-137-171-252130-
/O.CON.KILX.TO.W.0034.000000T0000Z-110525T2130Z/
MORGAN IL-SCOTT IL-CASS IL-
407 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CASS...SCOTT
AND MORGAN COUNTIES UNTIL 430 PM CDT...

AT 404 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR ALSEY...OR 6 MILES SOUTHWEST OF WINCHESTER...
MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  WINCHESTER...JACKSONVILLE...BEARDSTOWN...MANCHESTER...
  MURRAYVILLE...NAPLES...EXETER...WOODSON...BLUFFS...CHAPIN...
  MEREDOSIA...ARENZVILLE...LITERBERRY...BLUFF SPRINGS...OXVILLE...
  RIGGSTON...LYNNVILLE...MERRITT...LAKE JACKSONVILLE AND SOUTH
  JACKSONVILLE.

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 43 AND 74.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3982 9058 3988 9059 3992 9054 3994 9054
      3997 9052 3999 9052 4002 9044 3979 9004
      3952 9024 3951 9041 3952 9058 3958 9059
      3971 9065
TIME...MOT...LOC 2107Z 206DEG 41KT 3959 9050

$$

BARKER

495 
WWUS53 KILX 252131
SVSILX

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

ILC017-137-171-252141-
/O.EXP.KILX.TO.W.0034.000000T0000Z-110525T2130Z/
MORGAN IL-SCOTT IL-CASS IL-
431 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR SOUTHWESTERN CASS...SCOTT AND MORGAN
COUNTIES HAS EXPIRED...

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 3982 9058 3988 9059 3992 9054 3994 9054
      3997 9052 3999 9052 4002 9044 3979 9004
      3952 9024 3951 9041 3952 9058 3958 9059
      3971 9065
TIME...MOT...LOC 2107Z 206DEG 41KT 3959 9050

$$

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, 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, 6:12 PM CDT	Tornado Warning	ILX	McLean	40 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.