Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 44, NWS Lincoln, IL

May 25, 2011Vermilion County, Illinois

NWS Lincoln, IL issued this tornado warning at May 25, 2011, 7:53 PM CDT for Vermilion County, Illinois. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 25, 2011, 7:53 PM CDT (00:53 UTC)
Expired: May 25, 2011, 8:30 PM CDT
In force: 37 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

County Vermilion County, IL

The radar

The Indianapolis radar (KIND), 132 km from the middle of the area, began a volume at 00:53 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.

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

Davenport, (KDVN), launched 00:00Z, 0.9 hours before the alert went out and 283 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: 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.

439 
WFUS53 KILX 260053
TORILX
ILC183-260130-
/O.NEW.KILX.TO.W.0044.110526T0053Z-110526T0130Z/

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN 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
  RANKIN TO 6 MILES SOUTH OF ROSSVILLE TO WESTVILLE...AND MOVING
  NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROSSVILLE...HOOPESTON AND ALVIN.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 212 AND 219.

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 4003 8764 4027 8774 4049 8791 4050 8759
      4049 8752 4005 8753
TIME...MOT...LOC 0053Z 244DEG 31KT 4049 8779 4031 8762
          4006 8753

$$

BARNES

1 follow-up statement

860 
WWUS53 KILX 260121
SVSILX

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

ILC183-260131-
/O.EXP.KILX.TO.W.0044.000000T0000Z-110526T0130Z/
VERMILION IL-
821 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR EASTERN VERMILION COUNTY WILL EXPIRE AT
830 PM CDT...

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

LAT...LON 4003 8764 4027 8774 4049 8791 4050 8759
      4049 8752 4005 8753
TIME...MOT...LOC 0121Z 244DEG 31KT 4060 8750 4041 8733
          4016 8725

$$

BARNES

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 7:01 PM CDT	Tornado Warning	ILX	Clay, Effingham, Jasper, Richland	29 min
May 25, 7:02 PM CDT	Areal Flood Advisory	ILX	Edgar, Vermilion	4 hr
May 25, 7:08 PM CDT	Tornado Warning	ILX	Champaign, Vermilion	52 min
May 25, 7:11 PM CDT	Tornado Warning	ILX	Champaign, Clark, Coles, Crawford, Cumberland, Douglas and 3 more	49 min
May 25, 7:24 PM CDT	Tornado Warning	ILX	Clay, Crawford, Jasper, Lawrence, Richland	51 min
May 25, 7:56 PM CDT	Tornado Warning	ILX	Clark, Edgar, Vermilion	34 min
May 26, 10:53 AM CDT	River Flood Warning	ILX	Piatt	6 days
May 26, 12:05 PM CDT	River Flood Warning	ILX	Marshall, Putnam	13 days
May 26, 12:05 PM CDT	River Flood Warning	ILX	Peoria, Tazewell, Woodford	35 days

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.