Alert archive / Illinois / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 21, NWS Lincoln, IL

May 11, 20144 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 11, 2014, 4:09 PM CDT for 4 counties in Illinois. It was in force for 66 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, 2014, 4:09 PM CDT (21:09 UTC)
Expired: May 11, 2014, 5:15 PM CDT
In force: 66 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Coles County, IL, Douglas County, IL, Moultrie County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 96 km from the middle of the area, began a volume at 21:12 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, 4:28 PM CDT	HAIL 0.75	Windsor, IL
May 11, 4:53 PM CDT	HAIL 0.88	Coles, IL	RELAYED BY WAND TV

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.2 hours before the alert went out and 69 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: 1968 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 148 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

540 
WUUS53 KILX 112109
SVRILX
ILC029-041-139-173-112215-
/O.NEW.KILX.SV.W.0021.140511T2109Z-140511T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
409 PM CDT SUN MAY 11 2014

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN COLES COUNTY IN EAST CENTRAL ILLINOIS...
  SOUTHWESTERN DOUGLAS COUNTY IN EAST CENTRAL ILLINOIS...
  SOUTHEASTERN MOULTRIE COUNTY IN CENTRAL ILLINOIS...
  EASTERN SHELBY COUNTY IN CENTRAL ILLINOIS...

* UNTIL 515 PM CDT

* AT 407 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTHEAST
  OF SHELBYVILLE...AND MOVING NORTHEAST AT 25 MPH.

  HAZARD...QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

* LOCATIONS IMPACTED INCLUDE...
  SULLIVAN...MATTOON...WINDSOR...ALLENVILLE...COOKS MILL...
  HUMBOLDT...ARTHUR...STRASBURG...EAGLE CREEK STATE PARK...WOLF CREEK
  STATE PARK...KIRKSVILLE...PARADISE...GAYS...COLES...CADWELL AND
  CHESTERVILLE.

THIS INCLUDES INTERSTATE 57 BETWEEN MILE MARKERS 192 AND 199.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3974 8849 3958 8821 3923 8866 3937 8887
TIME...MOT...LOC 2109Z 222DEG 20KT 3938 8870

HAIL...1.00IN
WIND...<50MPH

$$

SMITH

4 follow-up statements

375 
WWUS53 KILX 112120
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
420 PM CDT SUN MAY 11 2014

ILC029-041-139-173-112215-
/O.CON.KILX.SV.W.0021.000000T0000Z-140511T2215Z/
MOULTRIE IL-SHELBY IL-COLES IL-DOUGLAS IL-
420 PM CDT SUN MAY 11 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
DOUGLAS...WESTERN COLES...EASTERN SHELBY AND SOUTHEASTERN MOULTRIE
COUNTIES UNTIL 515 PM CDT...

AT 416 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WINDSOR...AND
MOVING NORTHEAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
         ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
SULLIVAN...MATTOON...WINDSOR...ALLENVILLE...COOKS MILL...HUMBOLDT...
ARTHUR...EAGLE CREEK STATE PARK...WOLF CREEK STATE PARK...
KIRKSVILLE...PARADISE...GAYS...COLES...CADWELL AND CHESTERVILLE.

INTERSTATE 57 BETWEEN MILE MARKERS 191 AND 199.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3974 8849 3958 8821 3923 8866 3937 8887
TIME...MOT...LOC 2120Z 222DEG 20KT 3943 8865

HAIL...1.00IN
WIND...60MPH

$$

SMITH

560 
WWUS53 KILX 112133
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
433 PM CDT SUN MAY 11 2014

ILC029-041-139-173-112215-
/O.CON.KILX.SV.W.0021.000000T0000Z-140511T2215Z/
MOULTRIE IL-SHELBY IL-COLES IL-DOUGLAS IL-
433 PM CDT SUN MAY 11 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
DOUGLAS...WESTERN COLES...EAST CENTRAL SHELBY AND SOUTHEASTERN
MOULTRIE COUNTIES UNTIL 515 PM CDT...

AT 430 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WINDSOR...AND
MOVING NORTHEAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
         ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
SULLIVAN...MATTOON...ALLENVILLE...COOKS MILL...HUMBOLDT...ARTHUR...
PARADISE...GAYS...COLES...CADWELL AND CHESTERVILLE.

INTERSTATE 57 BETWEEN MILE MARKERS 192 AND 199.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3934 8853 3948 8875 3974 8849 3958 8821
TIME...MOT...LOC 2133Z 222DEG 20KT 3947 8860

HAIL...1.00IN
WIND...60MPH

$$

SMITH

473 
WWUS53 KILX 112202
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
502 PM CDT SUN MAY 11 2014

ILC041-173-112212-
/O.CAN.KILX.SV.W.0021.000000T0000Z-140511T2215Z/
SHELBY IL-DOUGLAS IL-
502 PM CDT SUN MAY 11 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN DOUGLAS AND EAST
CENTRAL SHELBY COUNTIES IS CANCELLED...

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

LAT...LON 3942 8843 3953 8861 3966 8848 3965 8835
      3958 8821
TIME...MOT...LOC 2202Z 227DEG 20KT 3948 8840

$$

ILC029-139-112215-
/O.CON.KILX.SV.W.0021.000000T0000Z-140511T2215Z/
MOULTRIE IL-COLES IL-
502 PM CDT SUN MAY 11 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
COLES AND SOUTHEASTERN MOULTRIE COUNTIES UNTIL 515 PM CDT...

AT 459 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MATTOON...AND
MOVING NORTHEAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
         ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
MATTOON...COOKS MILL AND HUMBOLDT.

INTERSTATE 57 BETWEEN MILE MARKERS 192 AND 199.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3942 8843 3953 8861 3966 8848 3965 8835
      3958 8821
TIME...MOT...LOC 2202Z 227DEG 20KT 3948 8840

HAIL...1.00IN
WIND...60MPH

$$

SMITH

277 
WWUS53 KILX 112215
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
515 PM CDT SUN MAY 11 2014

ILC029-139-112224-
/O.EXP.KILX.SV.W.0021.000000T0000Z-140511T2215Z/
MOULTRIE IL-COLES IL-
515 PM CDT SUN MAY 11 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN COLES AND
SOUTHEASTERN MOULTRIE COUNTIES WILL EXPIRE AT 515 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.  HOWEVER...SMALL HAIL IS STILL POSSIBLE WITH ADDITIONAL 
THUNDERSTORMS MOVING ACROSS THE AREA.

LAT...LON 3942 8843 3953 8861 3966 8848 3965 8835
      3958 8821
TIME...MOT...LOC 2214Z 227DEG 20KT 3953 8834

$$

SMITH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 1:38 AM CDT	Special Weather Statement	ILX	Effingham, Jasper	67 min
May 11, 2:03 AM CDT	Special Weather Statement	ILX	Clark, Cumberland	57 min
May 11, 2:44 AM CDT	Special Weather Statement	ILX	Crawford	46 min
May 11, 2:55 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford	50 min
May 11, 4:14 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	46 min
May 11, 4:27 PM CDT	Severe Thunderstorm Warning	ILX	Knox	63 min
May 11, 4:52 PM CDT	Severe Thunderstorm Warning	ILX	Crawford	38 min
May 11, 5:15 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Woodford	45 min
May 11, 5:25 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Cumberland, Jasper	65 min
May 11, 6:34 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Woodford	41 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2014 Every severe thunderstorm warning in 2014

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.