Alert archive / Illinois / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 21, NWS Lincoln, IL

April 18, 2013Champaign County, Vermilion County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 18, 2013, 8:05 AM CDT for Champaign County, Vermilion County, Illinois. It was in force for 40 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
Apr 18, 2013, 8:05 AM CDT (13:05 UTC)
Expired
Apr 18, 2013, 8:45 AM CDT
In force
40 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
0.88 in
Wind
70.0 mph

Counties Champaign County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 135 km from the middle of the area, began a volume at 13:09 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 nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 1.1 hours before the alert went out and 75 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2013-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2013-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -203 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
474 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-203 m²/s²
0-3 km storm-relative helicity
-478 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.

915 
WUUS53 KILX 181305
SVRILX
ILC019-183-181345-
/O.NEW.KILX.SV.W.0021.130418T1305Z-130418T1345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
805 AM CDT THU APR 18 2013

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...
  NORTHERN VERMILION COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 845 AM CDT

* AT 800 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
  LINE EXTENDING FROM 5 MILES SOUTHEAST OF PAXTON TO 5 MILES
  SOUTHWEST OF GIFFORD...AND MOVING EAST AT 50 MPH.

  HAZARD...70 MPH WIND GUSTS AND NICKEL SIZE HAIL.

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  RANKIN...POTOMAC...HOOPESTON...ROSSVILLE...PENFIELD...ARMSTRONG...
  COLLISON...MIDDLE FORK WILDLIFE AREA...HENNING...BISMARCK AND
  ALVIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4020 8753 4020 8814 4040 8809 4041 8794
      4048 8794 4049 8793 4050 8759 4050 8753
      4049 8752
TIME...MOT...LOC 1305Z 261DEG 43KT 4041 8796 4025 8800

HAIL...0.88IN
WIND...70MPH

$$

GOETSCH
3 follow-up statements
005 
WWUS53 KILX 181321
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
821 AM CDT THU APR 18 2013

ILC019-183-181345-
/O.CON.KILX.SV.W.0021.000000T0000Z-130418T1345Z/
VERMILION IL-CHAMPAIGN IL-
821 AM CDT THU APR 18 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
CHAMPAIGN AND NORTHERN VERMILION COUNTIES UNTIL 845 AM CDT...

AT 818 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM HOOPESTON TO 6 MILES NORTH OF ST. JOSEPH...AND
MOVING EAST AT 50 MPH.

HAZARD...70 MPH WIND GUSTS AND NICKEL SIZE HAIL.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
HOOPESTON...POTOMAC...ROSSVILLE...COLLISON...MIDDLE FORK WILDLIFE
AREA...HENNING...VERMILION COUNTY AIRPORT...BISMARCK AND ALVIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4020 8753 4020 8809 4049 8783 4050 8759
      4050 8753 4049 8752
TIME...MOT...LOC 1320Z 252DEG 43KT 4050 8767 4044 8771
          4021 8798

HAIL...0.88IN
WIND...70MPH

$$

GOETSCH
355 
WWUS53 KILX 181337
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
837 AM CDT THU APR 18 2013

ILC019-181347-
/O.CAN.KILX.SV.W.0021.000000T0000Z-130418T1345Z/
CHAMPAIGN IL-
837 AM CDT THU APR 18 2013

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CHAMPAIGN COUNTY
IS CANCELLED...

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

LAT...LON 4020 8753 4020 8790 4050 8766 4050 8759
      4050 8753 4049 8752
TIME...MOT...LOC 1337Z 253DEG 40KT 4049 8749 4022 8779

$$

ILC183-181345-
/O.CON.KILX.SV.W.0021.000000T0000Z-130418T1345Z/
VERMILION IL-
837 AM CDT THU APR 18 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
VERMILION COUNTY UNTIL 845 AM CDT...

AT 834 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 7 MILES EAST OF HOOPESTON TO 7 MILES SOUTH OF
POTOMAC...AND MOVING EAST AT 45 MPH.

HAZARD...70 MPH WIND GUSTS AND NICKEL SIZE HAIL.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
ALVIN...BISMARCK AND VERMILION COUNTY AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4020 8753 4020 8790 4050 8766 4050 8759
      4050 8753 4049 8752
TIME...MOT...LOC 1337Z 253DEG 40KT 4049 8749 4022 8779

HAIL...0.88IN
WIND...70MPH

$$

GOETSCH
385 
WWUS53 KILX 181346
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
846 AM CDT THU APR 18 2013

ILC183-181356-
/O.EXP.KILX.SV.W.0021.000000T0000Z-130418T1345Z/
VERMILION IL-
846 AM CDT THU APR 18 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN VERMILION COUNTY HAS
EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 4 PM.

LAT...LON 4020 8753 4020 8790 4050 8766 4050 8759
      4050 8753 4049 8752
TIME...MOT...LOC 1337Z 253DEG 40KT 4049 8749 4022 8779

$$

GOETSCH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 7:17 PM CDTFlash Flood WarningILXPeoria, Tazewell, Woodford15 hr
Apr 17, 7:23 PM CDTSevere Thunderstorm WarningILXSchuyler37 min
Apr 17, 7:59 PM CDTTornado WarningILXCass, Fulton, Mason, Schuyler31 min
Apr 17, 8:31 PM CDTFlash Flood WarningILXFulton, Knox, Marshall, Peoria, Schuyler, Stark and 1 more14 hr
Apr 17, 8:41 PM CDTSpecial Weather StatementILXFulton49 min
Apr 17, 9:30 PM CDTRiver Flood WarningILXMcLean, Tazewell, Woodford3 days
Apr 17, 9:47 PM CDTRiver Flood WarningILXCass, Mason11 days
Apr 17, 10:30 PM CDTSpecial Weather StatementILXMarshall, Peoria, Tazewell, Woodford60 min
Apr 18, 3:50 AM CDTWind AdvisoryILXChampaign, Christian, Clark, Clay, Coles, Crawford and 14 more7 hr
Apr 18, 4:57 AM CDTSpecial Weather StatementILXFulton, Mason, Menard, Peoria, Tazewell63 min
Apr 18, 5:45 AM CDTSpecial Weather StatementILXMarshall, Woodford30 min
Apr 18, 8:57 AM CDTSevere Thunderstorm WarningILXEdgar, Vermilion63 min
Apr 18, 9:25 AM CDTRiver Flood WarningILXSangamon6 days
Apr 18, 9:25 AM CDTRiver Flood WarningILXMenard9 days
Apr 18, 9:25 AM CDTRiver Flood WarningILXCass, Mason, Menard9 days
Apr 18, 9:28 AM CDTSpecial Weather StatementILXClark, Crawford, Cumberland, Jasper62 min
Apr 18, 9:42 AM CDTSpecial Weather StatementILXClay63 min
Apr 18, 10:01 AM CDTAreal Flood WarningILXFulton, Knox, Marshall, Peoria, Schuyler, Stark and 2 more36 hr
Apr 18, 10:27 AM CDTSpecial Weather StatementILXClark, Clay, Crawford, Jasper, Lawrence, Richland63 min
Apr 18, 11:23 AM CDTAreal Flood AdvisoryILXChampaign, Coles, Cumberland, Douglas, Effingham, Moultrie and 1 more6 hr
Apr 18, 1:01 PM CDTFlash Flood WarningILXSangamon21 hr
Apr 18, 1:18 PM CDTSpecial Weather StatementILXClay, Cumberland, Effingham, Jasper42 min
Apr 18, 1:29 PM CDTSevere Thunderstorm WarningILXClay, Cumberland, Effingham, Jasper31 min
Apr 18, 1:57 PM CDTSpecial Weather StatementILXClark, Edgar63 min
Apr 18, 2:18 PM CDTFlash Flood WarningILXChampaign, Coles, Cumberland, Douglas, Effingham, Moultrie and 2 more18 hr
Apr 18, 3:25 PM CDTSpecial Weather StatementILXKnox, Mason, Peoria, Stark, Tazewell65 min
Apr 18, 4:04 PM CDTSpecial Weather StatementILXChristian, DeWitt, Logan, Macon, Sangamon56 min
Apr 18, 4:05 PM CDTAreal Flood AdvisoryILXVermilion16 hr
Apr 18, 4:33 PM CDTSpecial Weather StatementILXMarshall, Woodford57 min
Apr 18, 4:40 PM CDTAreal Flood AdvisoryILXClark, Clay, Crawford, Edgar, Jasper18 hr
Apr 18, 5:22 PM CDTSpecial Weather StatementILXChampaign, DeWitt, McLean, Vermilion53 min
Apr 18, 5:27 PM CDTSpecial Weather StatementILXClark, Coles, Cumberland, Douglas, Edgar, Moultrie and 2 more63 min
Apr 18, 6:08 PM CDTFlash Flood WarningILXFulton22 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2013Every severe thunderstorm warning in 2013

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.