Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 3, NWS Lincoln, IL

January 7, 2008McLean County, Illinois

NWS Lincoln, IL issued this tornado warning at Jan 7, 2008, 5:42 PM CST for McLean County, Illinois. It was in force for 33 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: Jan 7, 2008, 5:42 PM CST (23:42 UTC)
Expired: Jan 7, 2008, 6:15 PM CST
In force: 33 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

County McLean County, IL

The radar

The Lincoln radar (KILX), 54 km from the middle of the area, began a volume at 23:44 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
Jan 7, 5:52 PM CST	HAIL 0.75	Hudson, IL
Jan 7, 5:52 PM CST	HAIL 0.75	Lexington, IL

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
Jan 7, 2:35 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.7 hours before the alert went out and 57 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: 383 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 635 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 247 m²/s²
0-3 km storm-relative helicity: 331 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KILX 072344
TORILX
ILC113-080015-
/O.NEW.KILX.TO.W.0003.080107T2342Z-080108T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
542 PM CST MON JAN 7 2008

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  MCLEAN COUNTY IN CENTRAL ILLINOIS...

* UNTIL 615 PM CST.

* AT 542 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HUDSON...OR
  ABOUT 8 MILES NORTH OF BLOOMINGTON...MOVING NORTHEAST AT 50 MPH.

  IN ADDITION...ANOTHER SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS NEAR ARMINGTON...OR 22 MILES SOUTHWEST OF BLOOMINGTON...
  MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TOWANDA...
  GRIDLEY...
  COOKSVILLE...
  LEXINGTON...
  COLFAX...
  BLOOMINGTON...

OTHER LOCATIONS IN THE WARNING INCLUDE...DANVERS...DOWNS...
HEYWORTH...LE ROY...MCLEAN...NORMAL AND STANFORD.

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 900 PM CST MONDAY EVENING FOR
CENTRAL ILLINOIS. 

LAT...LON 4030 8926 4051 8926 4059 8909 4064 8904
      4066 8904 4066 8899 4072 8899 4075 8897
      4074 8859 4030 8859
TIME...MOT...LOC 2342Z 241DEG 45KT 4061 8896

$$

BARKER

2 follow-up statements

000 
WWUS53 KILX 072359
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
559 PM CST MON JAN 7 2008

ILC113-080015-
/O.CON.KILX.TO.W.0003.000000T0000Z-080108T0015Z/
MCLEAN-
559 PM CST MON JAN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CST FOR MCLEAN
COUNTY...

AT 558 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO THREAT WAS LOCATED 4 MILES NORTHEAST OF LEXINGTON...OR ABOUT
12 MILES WEST OF FAIRBURY...MOVING NORTHEAST AT 45 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
RURAL NORTHEASTERN MCLEAN COUNTY.

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

LAT...LON 4030 8926 4051 8926 4059 8909 4064 8904
      4066 8904 4066 8899 4072 8899 4075 8897
      4074 8859 4030 8859
TIME...MOT...LOC 2359Z 239DEG 42KT 4069 8872

$$

BARKER

000 
WWUS53 KILX 080011
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
611 PM CST MON JAN 7 2008

ILC113-080021-
/O.EXP.KILX.TO.W.0003.000000T0000Z-080108T0015Z/
MCLEAN-
611 PM CST MON JAN 7 2008

...THE TORNADO WARNING FOR MCLEAN COUNTY EXPIRES AT 615 PM CST...

AT 607 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF THE
AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM.

LAT...LON 4030 8926 4051 8926 4059 8909 4064 8904
      4066 8904 4066 8899 4072 8899 4075 8897
      4074 8859 4030 8859
TIME...MOT...LOC 0011Z 239DEG 42KT 4076 8856

$$

BARKER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 7, 3:39 PM CST	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Schuyler	52 min
Jan 7, 4:18 PM CST	Severe Thunderstorm Warning	ILX	Fulton, Mason, Schuyler	42 min
Jan 7, 4:44 PM CST	Severe Thunderstorm Warning	ILX	Fulton, Mason, Peoria, Tazewell	46 min
Jan 7, 4:51 PM CST	Tornado Warning	ILX	Mason, Tazewell	24 min
Jan 7, 5:14 PM CST	Tornado Warning	ILX	McLean, Tazewell, Woodford	31 min
Jan 7, 5:35 PM CST	Severe Thunderstorm Warning	ILX	Morgan, Scott	40 min

Nearby

Tornado Warnings in Illinois, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.