Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 50, NWS St. Louis, MO

June 4, 2008Washington County, Illinois

NWS St. Louis, MO issued this tornado warning at Jun 4, 2008, 3:53 AM CDT for Washington County, Illinois. It was in force for 28 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, 3:53 AM CDT (08:53 UTC)
Expired
Jun 4, 2008, 4:21 AM CDT
In force
28 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

County Washington County, IL

The radar

The St Louis radar (KLSX), 116 km from the middle of the area, began a volume at 08:56 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.

IssuedProductOfficeLasted
Jun 4, 2:06 AM CDTTornado WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 8.9 hours before the alert went out and 207 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 2008-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2538 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 2008-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 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
2538 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
3.9
Supercell composite
14.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 040855
TORLSX
ILC189-040930-
/O.NEW.KLSX.TO.W.0050.080604T0853Z-080604T0930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
353 AM CDT WED JUN 4 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 430 AM CDT

* AT 351 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 13 MILES SOUTHWEST OF
  NASHVILLE.  ANOTHER AREA OF STRONG ROTATION WAS LOCATED NEAR
  OKAWVILLE.  THESE ROTATIONS WERE MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NASHVILLE...
  ASHLEY...
  NEW MINDEN...

TORNADOES ARE DIFFICULT TO SEE AT NIGHT...SO DO NOT WAIT. TAKE COVER
NOW

LAT...LON 3822 8915 3821 8959 3847 8959 3848 8952
      3847 8951 3847 8949 3846 8948 3848 8946
      3850 8914
TIME...MOT...LOC 0853Z 268DEG 46KT 3824 8955

$$

BRITT
2 follow-up statements
000 
WWUS53 KLSX 040908
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
406 AM CDT WED JUN 4 2008

ILC189-040930-
/O.CON.KLSX.TO.W.0050.000000T0000Z-080604T0930Z/
WASHINGTON IL-
406 AM CDT WED JUN 4 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 AM CDT FOR EASTERN
WASHINGTON COUNTY...

AT 401 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH ROTATION NEAR POSEN...OR ABOUT 8 
MILES SOUTH OF NASHVILLE...MOVING EAST AT 50 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...DU BOIS...RADOM...
ASHLEY AND RICHVIEW.

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 3822 8915 3822 8945 3848 8946 3850 8914
TIME...MOT...LOC 0906Z 268DEG 46KT 3824 8934

$$

BRITT
000 
WWUS53 KLSX 040921
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
420 AM CDT WED JUN 4 2008

ILC189-040930-
/O.CAN.KLSX.TO.W.0050.000000T0000Z-080604T0930Z/
WASHINGTON IL-
420 AM CDT WED JUN 4 2008

...THE TORNADO WARNING FOR EASTERN WASHINGTON COUNTY IS CANCELLED...

THE ROTATION IN THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED. 

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH 
REMAINS IN EFFECT UNTIL 9 AM CDT.

LAT...LON 3822 8915 3822 8945 3848 8946 3850 8914
TIME...MOT...LOC 0920Z 268DEG 46KT 3825 8911

$$

BRITT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 7:41 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Pike49 min
Jun 3, 7:57 PM CDTTornado WarningLSXCalhoun, Greene, Pike48 min
Jun 3, 8:11 PM CDTTornado WarningLSXGreene, Jersey49 min
Jun 3, 8:35 PM CDTFlash Flood WarningLSXCalhoun, Greene, Pike4 hr
Jun 3, 8:52 PM CDTTornado WarningLSXGreene, Macoupin38 min
Jun 3, 9:06 PM CDTTornado WarningLSXCalhoun, Greene, Jersey39 min
Jun 3, 9:43 PM CDTTornado WarningLSXGreene, Jersey, Macoupin47 min
Jun 3, 9:53 PM CDTRiver Flood WarningLSXSaint Clair36 days
Jun 3, 10:43 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery35 min
Jun 3, 11:10 PM CDTTornado WarningLSXPike50 min
Jun 4, 12:23 AM CDTFlash Flood WarningLSXPike6 hr
Jun 4, 2:55 AM CDTSevere Thunderstorm WarningLSXMonroe, Randolph, Saint Clair50 min
Jun 4, 3:11 AM CDTTornado WarningLSXMonroe, Randolph, Saint Clair34 min
Jun 4, 3:39 AM CDTTornado WarningLSXRandolph, Saint Clair, Washington21 min
Jun 4, 1:31 PM CDTSevere Thunderstorm WarningLSXFayette14 min

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.