Alert archive / Illinois / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 39, NWS Lincoln, IL

May 11, 2016DeWitt County, Macon County, Piatt County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 11, 2016, 2:48 PM CDT for DeWitt County, Macon County, Piatt County, Illinois. It was in force for 42 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 11, 2016, 2:48 PM CDT (19:48 UTC)
Expired: May 11, 2016, 3:30 PM CDT
In force: 42 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties DeWitt County, IL, Macon County, IL, Piatt County, IL

The radar

The Lincoln radar (KILX), 50 km from the middle of the area, began a volume at 19:47 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, 3:05 PM CDT	HAIL 0.75	1 E Cisco, IL	DIME-SIZE HAIL. REPORTED VIA WAND FACEBOOK PAGE.
May 11, 3:21 PM CDT	HAIL 2	4 W Monticello, IL	HAIL UP TO EGG SIZE REPORTED BY TRAINED SPOTTER THROUGH SHERIFF OFFICE.

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, 7.8 hours before the alert went out and 26 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.

093 
WUUS53 KILX 111948
SVRILX
ILC039-115-147-112030-
/O.NEW.KILX.SV.W.0039.160511T1948Z-160511T2030Z/

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN PIATT COUNTY IN CENTRAL ILLINOIS...
  NORTHEASTERN MACON COUNTY IN CENTRAL ILLINOIS...
  SOUTHERN DE WITT COUNTY IN CENTRAL ILLINOIS...

* UNTIL 330 PM CDT

* AT 247 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MAROA...OR 10
  MILES NORTH OF DECATUR...MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  DECATUR...FORSYTH...MAROA...CERRO GORDO...WARRENSBURG...ARGENTA...OREANA...
  CISCO...ROWELL AND MILMINE.

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 139 AND 163.
 
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.

&&

LAT...LON 3987 8861 3990 8908 4009 8907 4011 8860
TIME...MOT...LOC 1947Z 273DEG 28KT 4000 8898 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

GEELHART

3 follow-up statements

597 
WWUS53 KILX 111958
SVSILX

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

ILC039-115-147-112030-
/O.CON.KILX.SV.W.0039.000000T0000Z-160511T2030Z/
PIATT-MACON-DE WITT-
258 PM CDT WED MAY 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR SOUTHWESTERN PIATT...NORTHEASTERN MACON AND SOUTHEASTERN DE WITT
COUNTIES...

AT 258 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ARGENTA...OR 11
MILES NORTHEAST OF DECATUR...MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
ARGENTA...OREANA...CISCO AND MILMINE. 

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 148 AND 163.
 
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.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
LINCOLN.

&&

LAT...LON 3987 8865 3996 8893 4009 8893 4011 8860
      3987 8861
TIME...MOT...LOC 1958Z 272DEG 30KT 4000 8884 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

GEELHART

466 
WWUS53 KILX 112007
SVSILX

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

ILC039-115-147-112030-
/O.CON.KILX.SV.W.0039.000000T0000Z-160511T2030Z/
PIATT-MACON-DE WITT-
307 PM CDT WED MAY 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR SOUTHWESTERN PIATT...NORTHEASTERN MACON AND SOUTHEASTERN DE WITT
COUNTIES...

AT 306 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 4 MILES SOUTH OF WELDON TO NEAR CERRO GORDO...MOVING
EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
ARGENTA...CISCO AND MILMINE. 

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 151 AND 163.
 
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.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
LINCOLN.

&&

LAT...LON 3987 8865 3992 8880 4007 8884 4011 8860
      3987 8861
TIME...MOT...LOC 2006Z 275DEG 32KT 4006 8875 3991 8870 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

GEELHART

973 
WWUS53 KILX 112014
SVSILX

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

ILC039-115-112024-
/O.CAN.KILX.SV.W.0039.000000T0000Z-160511T2030Z/
MACON-DE WITT-
314 PM CDT WED MAY 11 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MACON AND
SOUTHEASTERN DE WITT COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE  MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FOR
CENTRAL ILLINOIS.

LAT...LON 3987 8861 3987 8865 3990 8873 3990 8874
      3996 8875 4008 8874 4008 8860
TIME...MOT...LOC 2014Z 273DEG 31KT 4006 8870 3996 8864 3991 8865 

$$

ILC147-112030-
/O.CON.KILX.SV.W.0039.000000T0000Z-160511T2030Z/
PIATT-
314 PM CDT WED MAY 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR SOUTHWESTERN PIATT COUNTY...

AT 314 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 5 MILES SOUTHEAST OF WELDON TO 5 MILES SOUTHWEST OF
MONTICELLO TO 4 MILES WEST OF BEMENT...MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
CISCO AND MILMINE. 

THIS INCLUDES INTERSTATE 72 BETWEEN MILE MARKERS 157 AND 163.
 
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.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
LINCOLN.

&&

LAT...LON 3987 8861 3987 8865 3990 8873 3990 8874
      3996 8875 4008 8874 4008 8860
TIME...MOT...LOC 2014Z 273DEG 31KT 4006 8870 3996 8864 3991 8865 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

GEELHART

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, 3:15 PM CDT	Special Weather Statement	ILX	Richland	30 min
May 11, 3:18 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Piatt	42 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.