Alert archive / Illinois / Tornado Warnings in 2007

Tornado Warning 32, NWS St. Louis, MO

October 18, 2007Bond County, Fayette County, Illinois

NWS St. Louis, MO issued this tornado warning at Oct 18, 2007, 5:22 PM CDT for Bond County, Fayette County, Illinois. It was in force for 38 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, 5:22 PM CDT (22:22 UTC)
Expired: Oct 18, 2007, 6:00 PM CDT
In force: 38 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon

Counties Bond County, IL, Fayette County, IL

The radar

The Lincoln radar (KILX), 125 km from the middle of the area, began a volume at 22:23 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

Time	Report	Where	Remark
Oct 18, 5:35 PM CDT	TORNADO	4 Nw Brownstown, IL	UNCONFRIMED TOUCHDOWN BETWEEN 533-540 PM BEFORE IT BECAME WRAPPED IN RAIN

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.

Issued	Product	Office	Lasted
Oct 18, 3:23 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.4 hours before the alert went out and 131 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 KLSX 182222
TORLSX
ILC005-051-182300-
/O.NEW.KLSX.TO.W.0032.071018T2222Z-071018T2300Z/

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS
  FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 600 PM CDT

* AT 519 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR MULBERRY GROVE...OR ABOUT 8 MILES NORTHEAST OF GREENVILLE...
  MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VANDALIA...
  BROWNSTOWN...
  ST. ELMO...
  WRIGHTS CORNER...

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.

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

LAT...LON 3882 8927 3897 8940 3903 8930 3903 8927
      3905 8926 3923 8896 3922 8882 3921 8880
      3904 8880
TIME...MOT...LOC 2222Z 236DEG 38KT 3895 8924

$$

CARNEY

1 follow-up statement

000 
WWUS53 KLSX 182303
SVSLSX

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

ILC005-051-182313-
/O.EXP.KLSX.TO.W.0032.000000T0000Z-071018T2300Z/
BOND IL-FAYETTE IL-
603 PM CDT THU OCT 18 2007

...THE TORNADO WARNING FOR FAYETTE AND NORTHEASTERN BOND COUNTIES
EXPIRES AT 600 PM CDT...

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

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

LAT...LON 3882 8927 3897 8940 3903 8930 3903 8927
      3905 8926 3923 8896 3922 8882 3921 8880
      3904 8880
TIME...MOT...LOC 2222Z 236DEG 38KT 3895 8924

$$

CARNEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 18, 12:30 AM CDT	Severe Thunderstorm Warning	LSX	Adams, Calhoun, Pike	45 min
Oct 18, 1:12 AM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey, Pike	63 min
Oct 18, 1:14 AM CDT	Severe Thunderstorm Warning	LSX	Madison, Monroe, Saint Clair	61 min
Oct 18, 2:05 AM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Montgomery	40 min
Oct 18, 4:23 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison, Saint Clair	37 min
Oct 18, 4:55 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette, Madison, Montgomery	50 min
Oct 18, 5:05 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Madison, Marion, Saint Clair	40 min
Oct 18, 5:06 PM CDT	Severe Thunderstorm Warning	LSX	Randolph, Washington	24 min
Oct 18, 5:11 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	19 min
Oct 18, 5:31 PM CDT	Tornado Warning	LSX	Bond, Clinton, Fayette, Marion	44 min

Nearby

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