Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 45, NWS Lincoln, IL

May 25, 2011Clark County, Edgar County, Vermilion County, Illinois

NWS Lincoln, IL issued this tornado warning at May 25, 2011, 7:56 PM CDT for Clark County, Edgar County, Vermilion County, Illinois. It was in force for 34 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, 7:56 PM CDT (00:56 UTC)
Expired
May 25, 2011, 8:30 PM CDT
In force
34 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

Counties Clark County, IL, Edgar County, IL, Vermilion County, IL

The radar

The Indianapolis radar (KIND), 123 km from the middle of the area, began a volume at 00:57 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, 8:10 PM CDTTSTM WND DMG5 Sw Marshall, IL12 POWER POLES BROKEN AND LINES DOWN. DAMAGE SCATTERED IN AN AREA PARALLELING I-70 FROM CLARK CENTER TO THE INDIANA BORDER.
May 25, 8:12 PM CDTTSTM WND DMGMarshall, ILTREE DOWN ON HOUSE

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, 11:09 AM CDTTornado Watch PDSSPC10 hr
May 25, 2:31 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.9 hours before the alert went out and 332 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, Cncnati-Daytn, OH at 00:00Z on 2011-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1430 joules per kilogram.LCLEL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 2011-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 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
1430 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1362 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.8
Supercell composite
8.2

Open this sounding in Storm Lab

The text

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

025 
WFUS53 KILX 260056
TORILX
ILC023-045-183-260130-
/O.NEW.KILX.TO.W.0045.110526T0056Z-110526T0130Z/

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  CLARK COUNTY IN EAST CENTRAL ILLINOIS...
  EDGAR COUNTY IN EAST CENTRAL ILLINOIS...
  SOUTHEASTERN VERMILION COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 830 PM CDT.

* AT 751 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE SQUALL LINE CAPABLE OF PRODUCING BRIEF RAIN-WRAPPED
  TORNADOES IN ADDITION TO WIDESPREAD STRAIGHT LINE WIND DAMAGE.
  THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  SIDELL TO REDMON TO 6 MILES NORTHWEST OF ANNAPOLIS...AND MOVING
  EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PARIS...MARSHALL...CHRISMAN...RIDGE FARM...GEORGETOWN...
  WESTVILLE...OLIVER...VERMILION...WEST UNION...DENNISON...ORANGE...
  EDGAR...BELL RIDGE...EDGAR COUNTY AIRPORT...LINCOLN TRAIL STATE
  PARK...SCOTTLAND...YORK AND DARWIN.

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.

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 YOUR HOME OR BUSINESS.

&&

LAT...LON 3934 8758 3931 8761 3926 8760 3926 8757
      3921 8757 3917 8762 3918 8775 3917 8798
      3959 8787 4004 8782 4008 8753 3935 8752
TIME...MOT...LOC 0056Z 267DEG 38KT 3997 8771 3960 8774
          3919 8785

$$

BARNES
1 follow-up statement
702 
WWUS53 KILX 260125
SVSILX

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

ILC023-045-183-260135-
/O.EXP.KILX.TO.W.0045.000000T0000Z-110526T0130Z/
VERMILION IL-CLARK IL-EDGAR IL-
825 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR EDGAR...CLARK AND SOUTHEASTERN VERMILION
COUNTIES WILL EXPIRE AT 830 PM CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.

LAT...LON 3934 8758 3931 8761 3926 8760 3926 8757
      3921 8757 3917 8762 3918 8775 3917 8798
      3959 8787 4004 8782 4008 8753 3935 8752
TIME...MOT...LOC 0125Z 267DEG 38KT 3998 8731 3961 8734
          3921 8746

$$

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, 7:08 PM CDTTornado WarningILXChampaign, Vermilion52 min
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 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.