Alert archive / Illinois / Tornado Warnings in 2007

Tornado Warning 4, NWS Lincoln, IL

April 3, 2007Clark County, Cumberland County, Illinois

NWS Lincoln, IL issued this tornado warning at Apr 3, 2007, 12:46 PM CDT for Clark County, Cumberland County, Illinois. It was in force for 29 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 3, 2007, 12:46 PM CDT (17:46 UTC)
Expired
Apr 3, 2007, 1:15 PM CDT
In force
29 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

Counties Clark County, IL, Cumberland County, IL

The radar

The Evansville,IN radar (KVWX), 125 km from the middle of the area, began a volume at 17:47 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 3, 9:48 AM CDTSevere Thunderstorm WatchSPC6 hr
Apr 3, 11:51 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.8 hours before the alert went out and 100 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 2007-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 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 2007-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
32 J/kg
Mixed-layer CIN
-399 J/kg
Mixed-layer LCL
1864 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
221 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.

000 
WFUS53 KILX 031746
TORILX
ILC023-035-031815-
/O.NEW.KILX.TO.W.0004.070403T1746Z-070403T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1246 PM CDT TUE APR 3 2007

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CUMBERLAND COUNTY IN EAST CENTRAL ILLINOIS...
  WESTERN CLARK COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 115 PM CDT

* AT 1246 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES WEST OF
  MARTINSVILLE...OR ABOUT 5 MILES NORTHEAST OF TOLEDO...MOVING EAST
  AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  UNION CENTER...
  MARTINSVILLE...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT TUESDAY EVENING
FOR SOUTHEASTERN ILLINOIS. A SEVERE THUNDERSTORM WATCH ALSO REMAINS
IN EFFECT UNTIL 500 PM CDT TUESDAY AFTERNOON FOR CENTRAL ILLINOIS.

LAT...LON 3935 8821 3929 8819 3933 8786 3942 8789

$$

BARNES
2 follow-up statements
000 
WWUS53 KILX 031801
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
100 PM CDT TUE APR 3 2007

ILC023-035-031815-
/O.CON.KILX.TO.W.0004.000000T0000Z-070403T1815Z/
CLARK-CUMBERLAND-
100 PM CDT TUE APR 3 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR WESTERN
CLARK AND NORTHEASTERN CUMBERLAND COUNTIES...

AT 1255 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR UNION CENTER...OR
ABOUT 10 MILES NORTHEAST OF TOLEDO...MOVING EAST AT 30 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  UNION CENTER...
  MARTINSVILLE...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

LAT...LON 3935 8821 3929 8819 3933 8786 3942 8789

$$

BARNES
000 
WWUS53 KILX 031813
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
113 PM CDT TUE APR 3 2007

ILC023-035-031823-
/O.EXP.KILX.TO.W.0004.000000T0000Z-070403T1815Z/
CLARK-CUMBERLAND-
113 PM CDT TUE APR 3 2007

...THE TORNADO WARNING FOR WESTERN CLARK AND NORTHEASTERN CUMBERLAND
COUNTIES EXPIRES AT 115 PM CDT...

AT 111 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD WEAKENED...THUS
THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3935 8821 3929 8819 3933 8786 3942 8789

$$

BARNES

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 8:40 AM CDTSevere Thunderstorm WarningILXChampaign, McLean, Piatt50 min
Apr 3, 9:31 AM CDTSevere Thunderstorm WarningILXChampaign, Douglas, Vermilion44 min
Apr 3, 10:14 AM CDTSevere Thunderstorm WarningILXChampaign, Coles, Douglas, Edgar, Vermilion61 min
Apr 3, 10:22 AM CDTSevere Thunderstorm WarningILXMorgan, Sangamon38 min
Apr 3, 10:56 AM CDTSevere Thunderstorm WarningILXLogan, Sangamon34 min
Apr 3, 11:08 AM CDTSevere Thunderstorm WarningILXChristian, Sangamon23 min
Apr 3, 11:09 AM CDTSevere Thunderstorm WarningILXColes, Douglas, Moultrie51 min
Apr 3, 11:19 AM CDTSevere Thunderstorm WarningILXChristian, Logan, Macon, Sangamon41 min
Apr 3, 11:48 AM CDTSevere Thunderstorm WarningILXMacon, Moultrie, Piatt27 min
Apr 3, 11:55 AM CDTSevere Thunderstorm WarningILXColes, Cumberland, Douglas, Edgar65 min
Apr 3, 12:03 PM CDTSevere Thunderstorm WarningILXColes, Douglas42 min
Apr 3, 12:13 PM CDTFlash Flood WarningILXChampaign, Douglas6 hr
Apr 3, 12:59 PM CDTSevere Thunderstorm WarningILXClark, Coles, Cumberland, Edgar40 min
Apr 3, 1:25 PM CDTTornado WarningILXCrawford, Jasper, Richland35 min
Apr 3, 1:31 PM CDTSevere Thunderstorm WarningILXClay44 min
Apr 3, 2:12 PM CDTSevere Thunderstorm WarningILXClay, Richland63 min
Apr 3, 2:36 PM CDTSevere Thunderstorm WarningILXLawrence54 min

Nearby

Tornado Warnings in Illinois, 2007Every tornado warning in 2007Tornadoes in 2007

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.