Alert archive / Illinois / Tornado Warnings in 2007

Tornado Warning 34, NWS St. Louis, MO

October 18, 20074 counties in Illinois

NWS St. Louis, MO issued this tornado warning at Oct 18, 2007, 7:40 PM CDT for 4 counties in Illinois. It was in force for 35 min. 1 report 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, 7:40 PM CDT (00:40 UTC)
Expired
Oct 18, 2007, 8:15 PM CDT
In force
35 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Bond County, IL, Clinton County, IL, Fayette County, IL, Marion County, IL

The radar

The Evansville,IN radar (KVWX), 122 km from the middle of the area, began a volume at 00:43 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, 8:00 PM CDTFUNNEL CLOUD2 Sw St. Peter, ILUNCONFIRMED REPORT RELAYED BY STATE POLICE.

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 00:00Z, 0.7 hours before the alert went out and 148 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 00:00Z on 2007-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 38 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 00:00Z on 2007-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897117136Sfc1 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
38 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
2442 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
113 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 KLSX 190040
TORLSX
ILC005-027-051-121-190115-
/O.NEW.KLSX.TO.W.0034.071019T0040Z-071019T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
740 PM CDT THU OCT 18 2007

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS
  NORTHEASTERN CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS
  SOUTHEASTERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS
  NORTHERN MARION COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 815 PM CDT

* AT 737 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR BOULDER...OR ABOUT 8
  MILES NORTHEAST OF CARLYLE...MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PATOKA...
  SHOBONIER...
  KINMUNDY...
  FARINA...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

TORNADOES ARE DIFFICULT TO SEE AT NIGHT...SO DO NOT WAIT. TAKE COVER
NOW

LAT...LON 3859 8925 3875 8937 3903 8880 3893 8880
      3892 8878 3893 8877 3893 8870 3892 8869
      3883 8869
TIME...MOT...LOC 0040Z 239DEG 49KT 3871 8921

$$

CARNEY
2 follow-up statements
000 
WWUS53 KLSX 190056
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
756 PM CDT THU OCT 18 2007

ILC005-027-051-121-190115-
/O.CON.KLSX.TO.W.0034.000000T0000Z-071019T0115Z/
CLINTON IL-MARION IL-BOND IL-FAYETTE IL-
756 PM CDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR SOUTHERN
FAYETTE...SOUTHEASTERN BOND...NORTHERN MARION AND NORTHEASTERN
CLINTON COUNTIES...

AT 753 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR ST. PAUL...OR ABOUT
12 MILES SOUTHEAST OF VANDALIA...MOVING NORTHEAST AT 60 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...ST. PETER...
LOOGOOTEE...ST. JAMES...FARINA AND LA CLEDE.

TORNADOES ARE DIFFICULT TO SEE AT NIGHT...SO DO NOT WAIT. TAKE COVER 
NOW

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3859 8925 3875 8937 3903 8880 3893 8880
      3892 8878 3893 8877 3893 8870 3892 8869
      3883 8869
TIME...MOT...LOC 0056Z 235DEG 51KT 3885 8896

$$

CARNEY
000 
WWUS53 KLSX 190116
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
816 PM CDT THU OCT 18 2007

ILC005-027-051-121-190126-
/O.EXP.KLSX.TO.W.0034.000000T0000Z-071019T0115Z/
CLINTON IL-MARION IL-BOND IL-FAYETTE IL-
816 PM CDT THU OCT 18 2007

...THE TORNADO WARNING FOR SOUTHERN FAYETTE...SOUTHEASTERN BOND...
NORTHERN MARION AND NORTHEASTERN CLINTON COUNTIES EXPIRES AT 815 PM
CDT...

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

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH 
REMAINS IN EFFECT UNTIL 1100 PM.

LAT...LON 3859 8925 3875 8937 3903 8880 3893 8880
      3892 8878 3893 8877 3893 8870 3892 8869
      3883 8869
TIME...MOT...LOC 0056Z 235DEG 51KT 3885 8896

$$

CARNEY

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 18, 7:02 PM CDTSevere Thunderstorm WarningLSXBond, Fayette, Montgomery13 min
Oct 18, 7:26 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Fayette, Marion, Washington49 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.