Alert archive / Illinois / Tornado Warnings in 2007

Tornado Warning 22, NWS Lincoln, IL

October 18, 20076 counties in Illinois

NWS Lincoln, IL issued this tornado warning at Oct 18, 2007, 5:47 PM CDT for 6 counties in Illinois. It was in force for 43 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
Oct 18, 2007, 5:47 PM CDT (22:47 UTC)
Expired
Oct 18, 2007, 6:30 PM CDT
In force
43 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

Counties Champaign County, IL, Douglas County, IL, Macon County, IL, Moultrie County, IL, Piatt County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 81 km from the middle of the area, began a volume at 22:47 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

TimeReportWhereRemark
Oct 18, 5:51 PM CDTTSTM WND DMGBethany, ILTREES AND POWERLINES DOWN...IN ADDITION FUNNEL CLOUD OBSERVED
Oct 18, 6:19 PM CDTTSTM WND DMGChampaign, ILTREE BLOWN DOWN ON KIRBY STREET JUST WEST OF THE STADIUM. FROM WILL TV.

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.

IssuedProductOfficeLasted
Oct 18, 3:23 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.8 hours before the alert went out and 29 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 2007-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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 2007-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 282 square meters per square second.1939587897117Sfc1 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
44 J/kg
Mixed-layer CIN
-272 J/kg
Mixed-layer LCL
1498 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
282 m²/s²
0-3 km storm-relative helicity
260 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 182247
TORILX
ILC019-041-115-139-147-173-182330-
/O.NEW.KILX.TO.W.0022.071018T2247Z-071018T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
547 PM CDT THU OCT 18 2007

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN SHELBY COUNTY IN CENTRAL ILLINOIS...
  MOULTRIE COUNTY IN CENTRAL ILLINOIS...
  NORTHWESTERN DOUGLAS COUNTY IN EAST CENTRAL ILLINOIS...
  SOUTHEASTERN MACON COUNTY IN CENTRAL ILLINOIS...
  SOUTHEASTERN PIATT COUNTY IN CENTRAL ILLINOIS...
  SOUTHERN CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 630 PM CDT.

* AT 547 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES SOUTH OF
  BETHANY...OR ABOUT 8 MILES WEST OF SULLIVAN...MOVING NORTHEAST AT
  50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LOVINGTON...
  HAMMOND...
  ARTHUR...
  ATWOOD...
  BEMENT...
  TUSCOLA...
  PESOTUM...
  TOLONO...

OTHER LOCATIONS IN THE WARNING INCLUDE...CHAMPAIGN...DALTON CITY...
PHILO...SAVOY...SIDNEY AND URBANA.

ADDITIONAL DEVELOPMENT OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING
TORNADOES...IS LIKELY IN THE WARNED AREA.

WHEN A TORNADO WARNING IS ISSUED...IT MEANS THAT STRONG ROTATION HAS
BEEN DETECTED IN THE STORM...AND ATMOSPHERIC CONDITIONS SUPPORT THAT
ROTATION REACHING THE GROUND. 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 1100 PM CDT THURSDAY EVENING
FOR EAST CENTRAL AND SOUTHEASTERN ILLINOIS.

LAT...LON 4021 8829 3998 8797 3952 8874 3966 8890
TIME...MOT...LOC 2247Z 226DEG 46KT 3964 8869

$$
GEELHART/BARKER
2 follow-up statements
000 
WWUS53 KILX 182303
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
601 PM CDT THU OCT 18 2007

ILC115-173-182311-
/O.CAN.KILX.TO.W.0022.000000T0000Z-071018T2330Z/
MACON-SHELBY-
601 PM CDT THU OCT 18 2007

...THE TORNADO WARNING FOR SOUTHEASTERN MACON AND NORTHERN SHELBY
COUNTIES IS CANCELLED...

AT 556 PM 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM. 

LAT...LON 3960 8860 3973 8874 4021 8829 3998 8797
TIME...MOT...LOC 2301Z 226DEG 46KT 3976 8852

$$

ILC019-041-139-147-182330-
/O.CON.KILX.TO.W.0022.000000T0000Z-071018T2330Z/
CHAMPAIGN-DOUGLAS-MOULTRIE-PIATT-
601 PM CDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTHERN
CHAMPAIGN...SOUTHEASTERN PIATT...NORTHWESTERN DOUGLAS AND NORTHERN
MOULTRIE COUNTIES...

AT 556 PM CDT...DOPPLER RADAR AND STORM SPOTTERS WERE TRACKING A 
SEVERE THUNDERSTORM WITH ROTATION. THIS TORNADO THREAT WAS LOCATED 
3 MILES EAST OF LOVINGTON...OR ABOUT 8 MILES NORTH OF SULLIVAN...
MOVING NORTHEAST AT 50 MPH.

TRAINED SPOTTERS REPORTED A FUNNEL CLOUD AT BETHANY AT 551 PM. 

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  BOURBON...
  IVESDALE...
  TUSCOLA...
  PESOTUM...
  SADORUS...
  PHILO...
  TOLONO...
  SAVOY...
  SIDNEY...
  CHAMPAIGN...
  URBANA...

ADDITIONAL DEVELOPMENT OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING
LARGE HAIL AND DAMAGING WINDS...IS LIKELY IN THE WARNED AREA.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
PENNY SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

LAT...LON 3960 8860 3973 8874 4021 8829 3998 8797
TIME...MOT...LOC 2301Z 226DEG 46KT 3976 8852

$$

GEELHART/BARKER
000 
WWUS53 KILX 182319
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
618 PM CDT THU OCT 18 2007

ILC139-147-182328-
/O.CAN.KILX.TO.W.0022.000000T0000Z-071018T2330Z/
MOULTRIE-PIATT-
618 PM CDT THU OCT 18 2007

...THE TORNADO WARNING FOR SOUTHEASTERN PIATT AND NORTHERN MOULTRIE
COUNTIES IS CANCELLED...

AT 615 PM 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM.

LAT...LON 3975 8835 3985 8848 3987 8847 4021 8829
      3998 8797
TIME...MOT...LOC 2318Z 226DEG 46KT 3988 8835

$$

ILC019-041-182330-
/O.CON.KILX.TO.W.0022.000000T0000Z-071018T2330Z/
CHAMPAIGN-DOUGLAS-
618 PM CDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTHERN
CHAMPAIGN AND NORTHWESTERN DOUGLAS COUNTIES...

AT 615 PM CDT...WEATHER SERVICE METEOROLOGISTS CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO THREAT WAS
LOCATED 6 MILES NORTHWEST OF TUSCOLA...MOVING NORTHEAST AT 50 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  PESOTUM...
  TOLONO...
  PHILO...
  SAVOY...
  SIDNEY...
  URBANA...
  CHAMPAIGN...

OTHER LOCATIONS AFFECTED INCLUDE...SADORUS.

ADDITIONAL DEVELOPMENT OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING
LARGE HAIL AND DAMAGING WINDS...IS LIKELY IN THE WARNED AREA.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3975 8835 3985 8848 3987 8847 4021 8829
      3998 8797
TIME...MOT...LOC 2318Z 226DEG 46KT 3988 8835

$$

GEELHART/BARKER

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 18, 1:22 AM CDTSevere Thunderstorm WarningILXMorgan, Scott38 min
Oct 18, 2:01 AM CDTSevere Thunderstorm WarningILXMorgan, Sangamon44 min
Oct 18, 3:58 AM CDTSevere Thunderstorm WarningILXClay, Effingham, Jasper, Richland32 min
Oct 18, 4:08 AM CDTSevere Thunderstorm WarningILXColes, Cumberland, Shelby37 min
Oct 18, 4:20 AM CDTSevere Thunderstorm WarningILXCrawford, Jasper, Lawrence, Richland40 min
Oct 18, 4:34 AM CDTTornado WarningILXColes, Douglas26 min
Oct 18, 4:51 AM CDTSevere Thunderstorm WarningILXChampaign, Douglas, Edgar, Vermilion39 min
Oct 18, 4:53 AM CDTSevere Thunderstorm WarningILXClark, Edgar29 min
Oct 18, 5:28 AM CDTSevere Thunderstorm WarningILXVermilion32 min
Oct 18, 9:36 AM CDTWind AdvisoryILXCass, Champaign, Christian, Clark, Clay, Coles and 29 more6 hr
Oct 18, 4:45 PM CDTSevere Thunderstorm WarningILXChristian, Macon, Moultrie, Shelby45 min
Oct 18, 4:49 PM CDTSevere Thunderstorm WarningILXChristian, DeWitt, Macon, Piatt41 min
Oct 18, 5:19 PM CDTSevere Thunderstorm WarningILXChristian, Macon41 min
Oct 18, 5:24 PM CDTSevere Thunderstorm WarningILXChampaign, Macon, Piatt35 min
Oct 18, 5:33 PM CDTSevere Thunderstorm WarningILXChampaign, Douglas, Macon, Moultrie, Piatt, Shelby42 min
Oct 18, 5:49 PM CDTTornado WarningILXColes, Cumberland, Effingham, Shelby41 min
Oct 18, 5:50 PM CDTSevere Thunderstorm WarningILXChampaign, DeWitt, McLean, Piatt40 min
Oct 18, 6:20 PM CDTTornado WarningILXColes, Cumberland, Douglas, Moultrie40 min
Oct 18, 6:26 PM CDTTornado WarningILXChampaign, Douglas, Vermilion34 min
Oct 18, 6:57 PM CDTTornado WarningILXColes, Douglas, Edgar, Vermilion48 min
Oct 18, 6:58 PM CDTTornado WarningILXVermilion32 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.