Alert archive / Illinois / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 49, NWS Lincoln, IL

May 2, 20084 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 2, 2008, 10:03 AM CDT for 4 counties in Illinois. It was in force for 42 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
May 2, 2008, 10:03 AM CDT (15:03 UTC)
Expired
May 2, 2008, 10:45 AM CDT
In force
42 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

Counties Christian County, IL, Macon County, IL, Moultrie County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 99 km from the middle of the area, began a volume at 15:03 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 7, 1:52 PM CSTTornado WatchSPC146 days

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 3.1 hours before the alert went out and 85 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 2008-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 729 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2008-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 square meters per square second.193958Sfc1 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
729 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
730 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
261 m²/s²
Significant tornado parameter
0.0
Supercell composite
8.4

Open this sounding in Storm Lab

The text

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

000
WUUS53 KILX 021503
SVRILX
ILC021-115-139-173-021545-
/O.NEW.KILX.SV.W.0049.080502T1503Z-080502T1545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1003 AM CDT FRI MAY 2 2008

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SHELBY COUNTY IN CENTRAL ILLINOIS...
  MOULTRIE COUNTY IN CENTRAL ILLINOIS...
  SOUTHEASTERN CHRISTIAN COUNTY IN CENTRAL ILLINOIS...
  SOUTHEASTERN MACON COUNTY IN CENTRAL ILLINOIS...

* UNTIL 1045 AM CDT.

* AT 1003 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM MOUNT ZION TO 10 MILES SOUTH OF PANA...OR ALONG A
  LINE EXTENDING FROM 6 MILES SOUTH OF DECATUR TO 12 MILES EAST OF
  NOKOMIS...AND WAS MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LAKEWOOD...
  WESTERVELT...
  SHELBYVILLE...
  FINDLAY...
  COWDEN...
  BETHANY...
  LOVINGTON...
  SULLIVAN...

OTHER LOCATIONS IN THIS WARNING INCLUDE...ALLENVILLE...DALTON CITY...
STEWARDSON...TOWER HILL AND WINDSOR.

IF YOU IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DAMAGING
WINDS...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING...BUT STAY
AWAY FROM WINDOWS.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3922 8914 3979 8894 3979 8847 3926 8847
      3925 8848 3922 8847
TIME...MOT...LOC 1503Z 267DEG 34KT 3977 8883 3924 8901

$$

BARKER
2 follow-up statements
000 
WWUS53 KILX 021515
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1014 AM CDT FRI MAY 2 2008

ILC021-115-021524-
/O.CAN.KILX.SV.W.0049.000000T0000Z-080502T1545Z/
CHRISTIAN-MACON-
1014 AM CDT FRI MAY 2 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MACON AND EXTREME
SOUTHEASTERN CHRISTIAN COUNTIES IS CANCELLED...

AT 1010 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
THAT THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF
THE AREA...THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 3923 8904 3979 8874 3979 8847 3922 8847
TIME...MOT...LOC 1514Z 267DEG 34KT 3977 8870 3924 8891

$$

ILC139-173-021545-
/O.CON.KILX.SV.W.0049.000000T0000Z-080502T1545Z/
MOULTRIE-SHELBY-
1014 AM CDT FRI MAY 2 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT
FOR MOULTRIE AND SHELBY COUNTIES...

AT 1010 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 2 MILES NORTHWEST OF LAKE
CITY TO 5 MILES WEST OF COWDEN...OR ALONG A LINE EXTENDING FROM 11
MILES SOUTHEAST OF DECATUR TO 14 MILES SOUTHWEST OF SHELBYVILLE...
MOVING EAST AT 35 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  LOVINGTON...
  FINDLAY...
  COWDEN...
  WOLF CREEK STATE PARK...
  EAGLE CREEK STATE PARK...
  SULLIVAN...
  KIRKSVILLE...
  CLARKSBURG...
  MODE...
  CADWELL...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT
AWAY FROM WINDOWS.

LAT...LON 3923 8904 3979 8874 3979 8847 3922 8847
TIME...MOT...LOC 1514Z 267DEG 34KT 3977 8870 3924 8891

$$

BARKER
000 
WWUS53 KILX 021545
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1045 AM CDT FRI MAY 2 2008

ILC139-173-021555-
/O.EXP.KILX.SV.W.0049.000000T0000Z-080502T1545Z/
MOULTRIE-SHELBY-
1045 AM CDT FRI MAY 2 2008

...THE SEVERE THUNDERSTORM WARNING FOR MOULTRIE AND SHELBY COUNTIES
EXPIRES AT 1045 AM CDT...

AT 1044 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
THAT THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF
THE AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3923 8904 3979 8874 3979 8847 3922 8847
TIME...MOT...LOC 1515Z 267DEG 34KT 3977 8869 3924 8890

$$

BARKER

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 5:10 AM CDTSevere Thunderstorm WarningILXChampaign, Vermilion18 min
May 2, 7:11 AM CDTSevere Thunderstorm WarningILXKnox23 min
May 2, 9:05 AM CDTSevere Thunderstorm WarningILXChristian40 min
May 2, 9:22 AM CDTTornado WarningILXChristian23 min
May 2, 10:32 AM CDTSevere Thunderstorm WarningILXChampaign, Coles, Douglas, Piatt43 min
May 2, 11:14 AM CDTSevere Thunderstorm WarningILXVermilion46 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2008Every severe thunderstorm warning in 2008

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.