Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 24, NWS St. Louis, MO

March 31, 20085 counties in Illinois

NWS St. Louis, MO issued this tornado warning at Mar 31, 2008, 4:57 PM CDT for 5 counties in Illinois. It was in force for 48 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
Mar 31, 2008, 4:57 PM CDT (21:57 UTC)
Expired
Mar 31, 2008, 5:45 PM CDT
In force
48 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Clinton County, IL, Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL

The radar

The St Louis radar (KLSX), 88 km from the middle of the area, began a volume at 21:59 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
Mar 31, 1:45 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.0 hours before the alert went out and 213 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 12:00Z on 2008-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 12:00Z on 2008-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 197 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
6 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
485 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
197 m²/s²
0-3 km storm-relative helicity
259 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 KLSX 312157
TORLSX
ILC027-133-157-163-189-312245-
/O.NEW.KLSX.TO.W.0024.080331T2157Z-080331T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
457 PM CDT MON MAR 31 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS
  WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS
  EASTERN MONROE COUNTY IN SOUTHWEST ILLINOIS
  EXTREME NORTHWESTERN RANDOLPH COUNTY IN SOUTHWEST ILLINOIS
  ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS

* UNTIL 545 PM CDT

* AT 454 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR NEW DESIGN...OR ABOUT
  4 MILES SOUTH OF WATERLOO...MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RED BUD...
  SMITHTON...
  NEW ATHENS...
  FREEBURG...
  MARISSA...
  TILDEN...
  LIVELY GROVE...
  NEW MEMPHIS...
  OKAWVILLE...
  NASHVILLE...

THIS TORNADO WARNING IS AN UPGRADE TO THE SEVERE THUNDERSTORM WARNING
PREVIOUSLY ISSUED FOR THE WARNED AREA.

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.

LAT...LON 3870 8949 3822 8916 3820 9022 3842 9026
TIME...MOT...LOC 2157Z 259DEG 47KT 3828 9012

$$

MILLER
3 follow-up statements
000 
WWUS53 KLSX 312212
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
511 PM CDT MON MAR 31 2008

ILC157-312221-
/O.CAN.KLSX.TO.W.0024.000000T0000Z-080331T2245Z/
RANDOLPH IL-
511 PM CDT MON MAR 31 2008

...THE TORNADO WARNING FOR EXTREME NORTHWESTERN RANDOLPH COUNTY IS
CANCELLED...

LAT...LON 3822 8916 3823 9002 3850 9003 3870 8949
TIME...MOT...LOC 2211Z 268DEG 44KT 3826 8993

$$

ILC027-133-163-189-312245-
/O.CON.KLSX.TO.W.0024.000000T0000Z-080331T2245Z/
WASHINGTON IL-MONROE IL-ST. CLAIR IL-CLINTON IL-
511 PM CDT MON MAR 31 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR WESTERN
CLINTON...EASTERN ST. CLAIR...EASTERN MONROE AND WASHINGTON
COUNTIES...

AT 508 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR HECKER...OR ABOUT 
NEAR RED BUD...MOVING EAST AT 50 MPH.  RADAR ALSO SHOWED ANOTHER 
STRONG CIRCULATION JUST SOUTH OF FREEBURG...MOVING EAST AT 50 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...MARISSA...
LENZBURG...LIVELY GROVE...STONE CHURCH...ELKTON...OAKDALE...CORDES...
POSEN AND NASHVILLE.

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 8916 3823 9002 3850 9003 3870 8949
TIME...MOT...LOC 2211Z 268DEG 44KT 3826 8993

$$

MILLER
000 
WWUS53 KLSX 312229
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
529 PM CDT MON MAR 31 2008

ILC133-163-312239-
/O.CAN.KLSX.TO.W.0024.000000T0000Z-080331T2245Z/
MONROE IL-ST. CLAIR IL-
529 PM CDT MON MAR 31 2008

...THE TORNADO WARNING FOR EASTERN ST. CLAIR AND EASTERN MONROE
COUNTIES IS CANCELLED...

LAT...LON 3822 8916 3822 8971 3850 8971 3870 8949
TIME...MOT...LOC 2229Z 268DEG 44KT 3827 8965

$$

ILC027-189-312245-
/O.CON.KLSX.TO.W.0024.000000T0000Z-080331T2245Z/
WASHINGTON IL-CLINTON IL-
529 PM CDT MON MAR 31 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR WESTERN
CLINTON AND WASHINGTON COUNTIES...

AT 526 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR LIVELY GROVE...OR
ABOUT 8 MILES NORTH OF SPARTA...MOVING EAST AT 50 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...ELKTON...OAKDALE...
CORDES...ADDIEVILLE...POSEN...NASHVILLE AND BEAUCOUP.

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 8916 3822 8971 3850 8971 3870 8949
TIME...MOT...LOC 2229Z 268DEG 44KT 3827 8965

$$

MILLER
000 
WWUS53 KLSX 312243
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
543 PM CDT MON MAR 31 2008

ILC027-189-312253-
/O.EXP.KLSX.TO.W.0024.000000T0000Z-080331T2245Z/
WASHINGTON IL-CLINTON IL-
543 PM CDT MON MAR 31 2008

...THE TORNADO WARNING FOR WESTERN CLINTON AND WASHINGTON COUNTIES
EXPIRES AT 545 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE.

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH 
REMAINS IN EFFECT UNTIL 900 PM.

LAT...LON 3822 8916 3822 8971 3850 8971 3870 8949
TIME...MOT...LOC 2243Z 268DEG 44KT 3828 8943

$$

MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 8:32 AM CDTSevere Thunderstorm WarningLSXBrown28 min
Mar 31, 9:54 AM CDTRiver Flood WarningLSXFayette5 days
Mar 31, 1:00 PM CDTRiver Flood WarningLSXPike24 hr
Mar 31, 1:00 PM CDTRiver Flood WarningLSXCalhoun24 hr
Mar 31, 1:00 PM CDTRiver Flood WarningLSXCalhoun24 hr
Mar 31, 1:00 PM CDTRiver Flood WarningLSXJersey32 hr
Mar 31, 4:25 PM CDTSevere Thunderstorm WarningLSXMonroe, Saint Clair50 min
Mar 31, 4:43 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph32 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.