Alert archive / Illinois / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 40, NWS Lincoln, IL

May 11, 2016Champaign County, Douglas County, Piatt County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 11, 2016, 3:18 PM CDT for Champaign County, Douglas County, Piatt County, Illinois. It was in force for 42 min. 3 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 11, 2016, 3:18 PM CDT (20:18 UTC)
Expired: May 11, 2016, 4:00 PM CDT
In force: 42 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 70.0 mph

Counties Champaign County, IL, Douglas County, IL, Piatt County, IL

The radar

The Lincoln radar (KILX), 66 km from the middle of the area, began a volume at 20:18 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 11, 3:21 PM CDT	HAIL 2	4 W Monticello, IL	HAIL UP TO EGG SIZE REPORTED BY TRAINED SPOTTER THROUGH SHERIFF OFFICE.
May 11, 3:24 PM CDT	TSTM WND GST 62	Monticello, IL
May 11, 3:24 PM CDT	HAIL 0.88	Monticello, IL

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 11, 12:10 PM CDT	Severe Thunderstorm Watch	SPC	12 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 18 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: 905 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

288 
WUUS53 KILX 112018
SVRILX
ILC019-041-147-112100-
/O.NEW.KILX.SV.W.0040.160511T2018Z-160511T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
318 PM CDT WED MAY 11 2016

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL PIATT COUNTY IN CENTRAL ILLINOIS...
  SOUTHWESTERN CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...
  NORTHWESTERN DOUGLAS COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 400 PM CDT

* AT 317 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR WELDON TO NEAR BEMENT TO 6 MILES EAST OF CERRO
  GORDO...MOVING EAST AT 35 MPH.

  HAZARD...70 MPH WIND GUSTS. 

  SOURCE...TRAINED WEATHER SPOTTERS. AT 316 PM...A 66 MPH WIND GUST
           WAS REPORTED 1 MILE NORTHWEST OF MONTICELLO. 

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  CHAMPAIGN...MONTICELLO...TUSCOLA...URBANA...SAVOY...MAHOMET...TOLONO...
  BEMENT...PESOTUM...DE LAND...BONDVILLE...WHITE HEATH...SEYMOUR...SADORUS...
  IVESDALE...CISCO...LODGE...MILMINE AND WILLARD AIRPORT.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 57 BETWEEN MILE MARKERS 214 AND 241.
 INTERSTATE 72 BETWEEN MILE MARKERS 157 AND 182.
 INTERSTATE 74 BETWEEN MILE MARKERS 176 AND 183.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3983 8867 3995 8866 4000 8874 4010 8874
      4010 8869 4011 8869 4020 8820 3981 8820
TIME...MOT...LOC 2017Z 264DEG 31KT 4009 8870 3996 8857 3990 8862 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

GEELHART

1 follow-up statement

625 
WWUS53 KILX 112027
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
327 PM CDT WED MAY 11 2016

ILC019-041-147-112100-
/O.CON.KILX.SV.W.0040.000000T0000Z-160511T2100Z/
PIATT-CHAMPAIGN-DOUGLAS-
327 PM CDT WED MAY 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR CENTRAL PIATT...SOUTHWESTERN CHAMPAIGN AND NORTHWESTERN DOUGLAS
COUNTIES...

AT 326 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR WHITE HEATH TO 6 MILES SOUTHEAST OF MONTICELLO TO
4 MILES SOUTHEAST OF BEMENT...MOVING EAST AT 40 MPH.

HAZARD...67 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
CHAMPAIGN...MONTICELLO...TUSCOLA...URBANA...SAVOY...MAHOMET...TOLONO...
BEMENT...PESOTUM...DE LAND...BONDVILLE...WHITE HEATH...SEYMOUR...SADORUS...
IVESDALE...CISCO...LODGE...MILMINE AND WILLARD AIRPORT.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 57 BETWEEN MILE MARKERS 214 AND 241.
 INTERSTATE 72 BETWEEN MILE MARKERS 157 AND 182.
 INTERSTATE 74 BETWEEN MILE MARKERS 176 AND 183.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3983 8867 3995 8866 4000 8874 4010 8874
      4010 8869 4011 8869 4020 8820 3981 8820
TIME...MOT...LOC 2026Z 264DEG 34KT 4011 8852 3997 8848 3987 8852 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

BARKER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 1:53 AM CDT	Dense Fog Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	7 hr
May 11, 11:18 AM CDT	River Flood Warning	ILX	Cass, Fulton, Mason	13 days
May 11, 11:18 AM CDT	River Flood Warning	ILX	Brown, Cass, Morgan, Schuyler	14 days
May 11, 1:17 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard, Morgan, Sangamon	28 min
May 11, 1:38 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Menard, Sangamon	37 min
May 11, 2:08 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Sangamon	37 min
May 11, 2:23 PM CDT	Special Weather Statement	ILX	Macon	37 min
May 11, 2:48 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Macon, Piatt	42 min
May 11, 3:15 PM CDT	Special Weather Statement	ILX	Richland	30 min
May 11, 3:21 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Richland	39 min
May 11, 3:34 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham, Jasper	56 min
May 11, 3:44 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas	46 min
May 11, 3:58 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Jasper, Lawrence, Richland	62 min
May 11, 4:00 PM CDT	Severe Thunderstorm Warning	ILX	Crawford, Lawrence, Richland	45 min
May 11, 4:17 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Cumberland, Effingham, Jasper, Richland, Shelby	43 min
May 11, 4:24 PM CDT	Special Weather Statement	ILX	Edgar, Vermilion	51 min
May 11, 4:31 PM CDT	Tornado Warning	ILX	Cumberland, Effingham, Jasper	29 min
May 11, 4:36 PM CDT	Special Weather Statement	ILX	Douglas	39 min
May 11, 4:44 PM CDT	Severe Thunderstorm Warning	ILX	Crawford, Lawrence	46 min
May 11, 4:51 PM CDT	Severe Thunderstorm Warning	ILX	Crawford, Lawrence, Richland	39 min
May 11, 5:02 PM CDT	Flash Flood Warning	ILX	Effingham	3 hr
May 11, 5:08 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford, Cumberland, Jasper	37 min
May 11, 5:17 PM CDT	Special Weather Statement	ILX	Edgar	43 min
May 11, 5:26 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	19 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2016 Every severe thunderstorm warning in 2016

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.