Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 64, NWS Lincoln, IL

September 12, 20084 counties in Illinois

NWS Lincoln, IL issued this tornado warning at Sep 12, 2008, 10:33 PM CDT for 4 counties in Illinois. It was in force for 42 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
Sep 12, 2008, 10:33 PM CDT (03:33 UTC)
Expired
Sep 12, 2008, 11:15 PM CDT
In force
42 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

Counties Marshall County, IL, Peoria County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 66 km from the middle of the area, began a volume at 03:37 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 nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.6 hours before the alert went out and 100 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 2008-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 197 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 2008-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.19395878Sfc1 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
197 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KILX 130333
TORILX
ILC123-143-179-203-130415-
/O.NEW.KILX.TO.W.0064.080913T0333Z-080913T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1033 PM CDT FRI SEP 12 2008

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHERN MARSHALL COUNTY IN CENTRAL ILLINOIS...
  NORTHERN TAZEWELL COUNTY IN CENTRAL ILLINOIS...
  WESTERN WOODFORD COUNTY IN CENTRAL ILLINOIS...
  SOUTHEASTERN PEORIA COUNTY IN CENTRAL ILLINOIS...

* UNTIL 1115 PM CDT.

* AT 1033 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  BARTONVILLE...OR ABOUT 5 MILES NORTHWEST OF PEKIN...MOVING
  NORTHEAST AT 29 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MARQUETTE HEIGHTS...
  BELLEVUE...
  CREVE COEUR...
  WEST PEORIA...
  EAST PEORIA...
  PEORIA...
  GERMANTOWN HILLS...
  WASHINGTON...

OTHER LOCATIONS IN THE WARNING INCLUDE...EUREKA...METAMORA AND SPRING
BAY.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 88 AND 100.

THIS INCLUDES INTERSTATE 474 BETWEEN MILE MARKERS 2 AND 14.

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.

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 4093 8942 4070 8923 4061 8955 4056 8967
      4067 8974
TIME...MOT...LOC 0333Z 237DEG 25KT 4064 8966

$$

SMITH
3 follow-up statements
000 
WWUS53 KILX 130349
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1049 PM CDT FRI SEP 12 2008

ILC143-179-203-130415-
/O.CON.KILX.TO.W.0064.000000T0000Z-080913T0415Z/
PEORIA-TAZEWELL-WOODFORD-
1049 PM CDT FRI SEP 12 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR EASTERN
PEORIA...WESTERN WOODFORD AND NORTHERN TAZEWELL COUNTIES...

AT 1048 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED NEAR EAST PEORIA...OR
ABOUT 5 MILES SOUTHEAST OF PEORIA...MOVING NORTHEAST AT 27 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  WASHINGTON...
  GERMANTOWN HILLS...
  METAMORA...
  EUREKA...

OTHER LOCATIONS AFFECTED INCLUDE...PEORIA HEIGHTS...WEST PEORIA...
MARQUETTE HEIGHTS AND CREVE COEUR.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 91 AND 100.

THIS INCLUDES INTERSTATE 474 BETWEEN MILE MARKERS 7 AND 14.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. 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.

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 4091 8940 4088 8939 4084 8933 4081 8932
      4076 8927 4070 8924 4059 8961 4068 8967
      4093 8943
TIME...MOT...LOC 0349Z 237DEG 24KT 4068 8956

$$

SMITH
000 
WWUS53 KILX 130405
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1105 PM CDT FRI SEP 12 2008

ILC143-179-203-130415-
/O.CON.KILX.TO.W.0064.000000T0000Z-080913T0415Z/
PEORIA-TAZEWELL-WOODFORD-
1104 PM CDT FRI SEP 12 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR EASTERN
PEORIA...WESTERN WOODFORD AND NORTHERN TAZEWELL COUNTIES...

AT 1059 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED 2 MILES WEST OF
WASHINGTON...OR ABOUT 8 MILES EAST OF PEORIA...MOVING NORTHEAST AT 28
MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  METAMORA...
  EUREKA...
  WASHINGTON...

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 92 AND 100.

THIS INCLUDES INTERSTATE 474 BETWEEN MILE MARKERS 13 AND 14.

AT 1059 PM CDT...A TRAINED SPOTTER REPORTED A WALL CLOUD 7 MILES 
SOUTHWEST OF WASHINGTON.

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 4091 8940 4088 8939 4084 8933 4081 8932
      4076 8927 4070 8924 4062 8950 4061 8954
      4070 8961 4093 8943
TIME...MOT...LOC 0404Z 237DEG 24KT 4072 8944

$$

SMITH
000 
WWUS53 KILX 130415
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1115 PM CDT FRI SEP 12 2008

ILC143-179-203-130426-
/O.EXP.KILX.TO.W.0064.000000T0000Z-080913T0415Z/
PEORIA-TAZEWELL-WOODFORD-
1115 PM CDT FRI SEP 12 2008

...THE TORNADO WARNING FOR EASTERN PEORIA...WESTERN WOODFORD AND
NORTHERN TAZEWELL COUNTIES EXPIRES AT 1115 PM CDT...

AT 1114 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF
THE AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4091 8940 4088 8939 4084 8933 4081 8932
      4076 8927 4070 8924 4062 8950 4061 8954
      4070 8961 4093 8943
TIME...MOT...LOC 0405Z 237DEG 24KT 4072 8943

$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 10:22 PM CDTSevere Thunderstorm WarningILXFulton, Peoria, Tazewell, Woodford53 min
Sep 12, 11:09 PM CDTFlash Flood WarningILXPeoria, Tazewell, Woodford8 hr
Sep 12, 11:14 PM CDTSevere Thunderstorm WarningILXTazewell, Woodford46 min
Sep 12, 11:31 PM CDTTornado WarningILXWoodford44 min
Sep 13, 5:01 PM CDTFlash Flood WarningILXFulton, Mason6 hr
Sep 13, 5:17 PM CDTSevere Thunderstorm WarningILXCass, Morgan, Scott58 min
Sep 13, 5:33 PM CDTFlash Flood WarningILXSchuyler6 hr
Sep 13, 6:03 PM CDTFlash Flood WarningILXFulton, Marshall, Peoria, Tazewell, Woodford6 hr

Nearby

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