Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 50, NWS Lincoln, IL

June 4, 2008McLean County, Woodford County, Illinois

NWS Lincoln, IL issued this tornado warning at Jun 4, 2008, 8:41 PM CDT for McLean County, Woodford County, Illinois. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 4, 2008, 8:41 PM CDT (01:41 UTC)
Expired: Jun 4, 2008, 9:15 PM CDT
In force: 34 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon

Counties McLean County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 57 km from the middle of the area, began a volume at 01:43 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 4, 7:02 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.7 hours before the alert went out and 67 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: 2437 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1115 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 212 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 9.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KILX 050141
TORILX
ILC113-203-050215-
/O.NEW.KILX.TO.W.0050.080605T0141Z-080605T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
841 PM CDT WED JUN 4 2008

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN MCLEAN COUNTY IN CENTRAL ILLINOIS...
  SOUTHEASTERN WOODFORD COUNTY IN CENTRAL ILLINOIS...

* UNTIL 915 PM CDT.

* AT 841 PM CDT...NATIONAL WEATHER SERVICE SPOTTERS WERE TRACKING A
  TORNADO 6 MILES WEST OF CARLOCK...OR ABOUT 9 MILES SOUTH OF
  EUREKA...MOVING NORTHEAST AT 21 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CARLOCK...
  HUDSON...
  EL PASO...

THIS INCLUDES INTERSTATE 39 BETWEEN MILE MARKERS 4 AND 15.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 112 AND 121.

A TORNADO IS ON THE GROUND  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 ROOM ON THE 
LOWEST FLOOR.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 4059 8887 4055 8923 4060 8928 4062 8928
      4078 8897
TIME...MOT...LOC 0141Z 245DEG 18KT 4060 8924

$$
GEELHART/BARNES

2 follow-up statements

000 
WWUS53 KILX 050155
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
855 PM CDT WED JUN 4 2008

ILC113-203-050215-
/O.CON.KILX.TO.W.0050.000000T0000Z-080605T0215Z/
MCLEAN-WOODFORD-
855 PM CDT WED JUN 4 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHEASTERN WOODFORD AND NORTHERN MCLEAN COUNTIES...

AT 853 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. 
THIS FUNNEL CLOUD WAS LOCATED 1 MILE SOUTHEAST OF CONGERVILLE... 
MOVING NORTHEAST AT 16 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  EVERGREEN LAKE...
  KAPPA...
  HUDSON...
  EL PASO...
  LAKE BLOOMINGTON...

THIS INCLUDES INTERSTATE 39 BETWEEN MILE MARKERS 4 AND 15.

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. 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.

LAT...LON 4059 8887 4058 8914 4061 8918 4066 8921
      4078 8897
TIME...MOT...LOC 0155Z 241DEG 14KT 4062 8916

$$
GEELHART/BARNES

000 
WWUS53 KILX 050213
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
912 PM CDT WED JUN 4 2008

ILC113-203-050222-
/O.EXP.KILX.TO.W.0050.000000T0000Z-080605T0215Z/
MCLEAN-WOODFORD-
912 PM CDT WED JUN 4 2008

...THE TORNADO WARNING FOR SOUTHEASTERN WOODFORD AND NORTHERN MCLEAN
COUNTIES EXPIRES AT 915 PM CDT...

AT 911 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD WEAKENED...THUS 
THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1 AM. 

LAT...LON 4059 8887 4058 8914 4061 8918 4066 8921
      4078 8897
TIME...MOT...LOC 0212Z 241DEG 14KT 4065 8908

$$
GEELHART/BARNES

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 7:31 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell, Woodford	44 min
Jun 4, 7:38 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Tazewell, Woodford	52 min
Jun 4, 8:19 PM CDT	Tornado Warning	ILX	McLean, Tazewell, Woodford	26 min
Jun 4, 10:24 PM CDT	Severe Thunderstorm Warning	ILX	Marshall	21 min
Jun 5, 10:20 AM CDT	Areal Flood Warning	ILX	Logan	24 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.