Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 41, NWS Lincoln, IL

May 25, 2011Champaign County, Vermilion County, Illinois

NWS Lincoln, IL issued this tornado warning at May 25, 2011, 7:08 PM CDT for Champaign County, Vermilion County, Illinois. It was in force for 52 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
May 25, 2011, 7:08 PM CDT (00:08 UTC)
Expired
May 25, 2011, 8:00 PM CDT
In force
52 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

Counties Champaign County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 120 km from the middle of the area, began a volume at 00:10 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

TimeReportWhereRemark
May 25, 7:17 PM CDTTSTM WND GST 68Ogden, IL
May 25, 7:39 PM CDTTSTM WND DMG4 Se Potomac, ILSIGNIFICANT TREE DAMAGE IN THE JAMESBURG AREA. ROADS ARE BLOCKED.

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.

IssuedProductOfficeLasted
May 25, 2:31 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.1 hours before the alert went out and 264 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-pSkew-T log-p diagram, Davenport, at 00:00Z on 2011-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2011-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
6 J/kg
Mixed-layer CIN
-246 J/kg
Mixed-layer LCL
587 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

665 
WFUS53 KILX 260008
TORILX
ILC019-183-260100-
/O.NEW.KILX.TO.W.0041.110526T0008Z-110526T0100Z/

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...
  VERMILION COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 800 PM CDT.

* AT 705 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR PHILO...OR 10 MILES SOUTHEAST OF
  CHAMPAIGN...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  DANVILLE...SIDNEY...ST. JOSEPH...HOMER...OGDEN...FAIRMOUNT...
  FITHIAN...GIFFORD...OAKWOOD...CATLIN...WESTVILLE...TILTON...
  POTOMAC...RANKIN...ROSSVILLE...HOOPESTON...FLATVILLE...JAMAICA...
  ROYAL AND KICKAPOO 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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3989 8814 4008 8828 4040 8800 4041 8794
      4047 8794 4049 8791 4050 8753 4004 8753
TIME...MOT...LOC 0008Z 236DEG 39KT 4002 8810

$$

BARNES
1 follow-up statement
103 
WWUS53 KILX 260044
SVSILX

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

ILC019-260054-
/O.CAN.KILX.TO.W.0041.000000T0000Z-110526T0100Z/
CHAMPAIGN IL-
744 PM CDT WED MAY 25 2011

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

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

LAT...LON 4004 8753 3998 8793 4037 8793 4041 8794
      4047 8794 4049 8791 4050 8754 4049 8753
TIME...MOT...LOC 0044Z 236DEG 39KT 4026 8781

$$

ILC183-260100-
/O.CON.KILX.TO.W.0041.000000T0000Z-110526T0100Z/
VERMILION IL-
744 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR VERMILION COUNTY UNTIL 800
PM CDT...

AT 742 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR POTOMAC...OR 14 MILES NORTHWEST OF DANVILLE...
MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  DANVILLE...TILTON...POTOMAC...RANKIN...ROSSVILLE...HOOPESTON...
  MIDDLE FORK WILDLIFE AREA...HENNING...VERMILION COUNTY AIRPORT...
  BISMARCK AND ALVIN.

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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4004 8753 3998 8793 4037 8793 4041 8794
      4047 8794 4049 8791 4050 8754 4049 8753
TIME...MOT...LOC 0044Z 236DEG 39KT 4026 8781

$$

BARNES

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:01 PM CDTTornado WarningILXClay, Effingham, Jasper, Richland29 min
May 25, 7:02 PM CDTAreal Flood AdvisoryILXEdgar, Vermilion4 hr
May 25, 7:11 PM CDTTornado WarningILXChampaign, Clark, Coles, Crawford, Cumberland, Douglas and 3 more49 min
May 25, 7:24 PM CDTTornado WarningILXClay, Crawford, Jasper, Lawrence, Richland51 min
May 25, 7:53 PM CDTTornado WarningILXVermilion37 min
May 25, 7:56 PM CDTTornado WarningILXClark, Edgar, Vermilion34 min
May 26, 10:53 AM CDTRiver Flood WarningILXPiatt6 days
May 26, 12:05 PM CDTRiver Flood WarningILXMarshall, Putnam13 days
May 26, 12:05 PM CDTRiver Flood WarningILXPeoria, Tazewell, Woodford35 days

Nearby

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