Alert archive / Illinois / Tornado Warnings in 2007

Tornado Warning 28, NWS Lincoln, IL

October 18, 2007Lawrence County, Richland County, Illinois

NWS Lincoln, IL issued this tornado warning at Oct 18, 2007, 7:09 PM CDT for Lawrence County, Richland County, Illinois. It was in force for 36 min. 3 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, 7:09 PM CDT (00:09 UTC)
Expired: Oct 18, 2007, 7:45 PM CDT
In force: 36 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

Counties Lawrence County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 48 km from the middle of the area, began a volume at 00:09 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, 7:25 PM CDT	HAIL 0.88	6 S Sumner, IL	FROM COUNTY EMA.
Oct 18, 7:25 PM CDT	HAIL 1.75	8 S Sumner, IL	FROM COUNTY EMA.
Oct 18, 7:30 PM CDT	TSTM WND DMG	Bridgeport, IL	NUMEROUS TREES AND POWER LINES DOWN FROM BRIDGEPORT TO THE SOUTHWEST SIDE OF LAWRENCEVILLE. FROM COUNTY EMA.

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 00:00Z, 0.2 hours before the alert went out and 179 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: 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 KILX 190009
TORILX
ILC101-159-190045-
/O.NEW.KILX.TO.W.0028.071019T0009Z-071019T0045Z/

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN RICHLAND COUNTY IN SOUTHEAST ILLINOIS...
  LAWRENCE COUNTY IN SOUTHEAST ILLINOIS...

* UNTIL 745 PM CDT.

* AT 709 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES SOUTH OF
  CALHOUN...OR ABOUT 10 MILES NORTH OF ALBION...MOVING NORTHEAST AT
  60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CALHOUN...
  CLAREMONT...
  SUMNER...
  BRIDGEPORT...
  ST. FRANCISVILLE...
  LAWRENCEVILLE...
  BIRDS...

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 SOUTHEASTERN ILLINOIS.

LAT...LON 3865 8760 3857 8766 3860 8815 3878 8792
      3887 8755 3873 8749
TIME...MOT...LOC 0009Z 235DEG 56KT 3855 8800

$$

HUETTL

1 follow-up statement

000 
WWUS53 KILX 190032
SVSILX

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

ILC159-190042-
/O.CAN.KILX.TO.W.0028.000000T0000Z-071019T0045Z/
RICHLAND-
732 PM CDT THU OCT 18 2007

...THE TORNADO WARNING FOR SOUTHEASTERN RICHLAND COUNTY IS
CANCELLED...

AT 729 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 IS STILL IN EFFECT UNTIL 11 PM. 

LAT...LON 3866 8759 3865 8761 3864 8761 3857 8766
      3859 8790 3878 8791 3887 8755 3874 8749
TIME...MOT...LOC 0032Z 235DEG 52KT 3869 8770

$$

ILC101-190045-
/O.CON.KILX.TO.W.0028.000000T0000Z-071019T0045Z/
LAWRENCE-
732 PM CDT THU OCT 18 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR LAWRENCE
COUNTY...

AT 729 PM CDT...WEATHER SERVICE METEOROLOGISTS CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO THREAT WAS
LOCATED 4 MILES SOUTH OF BRIDGEPORT...OR ABOUT 5 MILES SOUTHWEST OF
LAWRENCEVILLE...MOVING NORTHEAST AT 60 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  PINKSTAFF...
  BIRDS...

OTHER LOCATIONS AFFECTED INCLUDE...SUMNER...ST. FRANCISVILLE...
PETROLIA...HELENA AND BILLETT.

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT...BECAUSE THEY ARE HARD
TO SEE. DO NOT WAIT UNTIL YOU CAN SEE OR HEAR THE TORNADO...AS IT MAY
BE TOO LATE. INSTEAD...TAKE COVER IN A REINFORCED BUILDING. GO TO A
BASEMENT OR INTERIOR ROON ON THE LOWEST FLOOR.

A TORNADO WATCH IS STILL IN EFFECT UNTIL 11 PM. 

LAT...LON 3866 8759 3865 8761 3864 8761 3857 8766
      3859 8790 3878 8791 3887 8755 3874 8749
TIME...MOT...LOC 0032Z 235DEG 52KT 3869 8770

$$

HUETTL

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 18, 7:41 PM CDT	Tornado Warning	ILX	Lawrence	19 min
Oct 18, 8:06 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	29 min
Oct 18, 8:06 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham	39 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.