Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 30, NWS Lincoln, IL

May 7, 2011Edgar County, Illinois

NWS Lincoln, IL issued this tornado warning at May 7, 2011, 6:57 PM CDT for Edgar County, Illinois. It was in force for 25 min. 1 report 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 7, 2011, 6:57 PM CDT (23:57 UTC)
Expired: May 7, 2011, 7:22 PM CDT
In force: 25 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

County Edgar County, IL

The radar

The Indianapolis radar (KIND), 114 km from the middle of the area, began a volume at 23:59 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 7, 7:18 PM CDT	FUNNEL CLOUD	2 Se Vermilion, IL	FUNNEL CLOUD AT THE EDGAR COUNTY LINE AND INDIANA STATE LINE NEAR THE NEW GOSHEN FIRE 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.

Issued	Product	Office	Lasted
May 7, 2:59 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 12.0 hours before the alert went out and 108 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1168 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 351 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

216 
WFUS53 KILX 072357
TORILX
ILC045-080045-
/O.NEW.KILX.TO.W.0030.110507T2357Z-110508T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
657 PM CDT SAT MAY 7 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 745 PM CDT.

* AT 654 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR PARIS...AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VERMILION.

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 3948 8755 3948 8767 3956 8773 3962 8757
      3971 8754
TIME...MOT...LOC 2357Z 324DEG 25KT 3962 8764

$$

CHURCHILL

1 follow-up statement

748 
WWUS53 KILX 080022
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
722 PM CDT SAT MAY 7 2011

ILC045-080032-
/O.CAN.KILX.TO.W.0030.000000T0000Z-110508T0045Z/
EDGAR IL-
722 PM CDT SAT MAY 7 2011

...THE TORNADO WARNING FOR SOUTHEASTERN EDGAR COUNTY IS CANCELLED...

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

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

LAT...LON 3948 8755 3948 8767 3956 8773 3962 8757
      3971 8754
TIME...MOT...LOC 0022Z 324DEG 25KT 3948 8751

$$

CHURCHILL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 4:06 PM CDT	Tornado Warning	ILX	Champaign, Vermilion	39 min
May 7, 4:44 PM CDT	Tornado Warning	ILX	Vermilion	46 min
May 7, 4:59 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	46 min
May 7, 5:12 PM CDT	Tornado Warning	ILX	Champaign	31 min
May 7, 5:17 PM CDT	Areal Flood Warning	ILX	Lawrence	4 days
May 7, 5:25 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	50 min
May 7, 5:39 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	51 min
May 7, 6:03 PM CDT	Tornado Warning	ILX	Edgar, Vermilion	42 min
May 7, 6:24 PM CDT	Tornado Warning	ILX	Edgar	51 min

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.