Alert archive / Illinois / Tornado Warnings in 2006

Tornado Warning 73, NWS St. Louis, MO

April 2, 2006Greene County, Jersey County, Macoupin County, Illinois

NWS St. Louis, MO issued this tornado warning at Apr 2, 2006, 5:14 PM CDT for Greene County, Jersey County, Macoupin County, Illinois. It was in force for 46 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
Apr 2, 2006, 5:14 PM CDT (22:14 UTC)
Expired
Apr 2, 2006, 6:00 PM CDT
In force
46 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

Counties Greene County, IL, Jersey County, IL, Macoupin County, IL

The radar

The St Louis radar (KLSX), 77 km from the middle of the area, began a volume at 22:16 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

TimeReportWhereRemark
Apr 2, 5:15 PM CDTTSTM WND DMGMedora, ILIN MEDORA AND WEST OF SHIPMAN...POLE BARNS AND LARGE OUTBUILDINGS COMPLETELY DESTROYED...POWER POLES SNAPPED ON HWY 16 AND TREES BLOCKING THE ROAD. ON FS ROAD NEAR MEDORA THERE ARE MOBILE HOMES EITHER BLOWN ON THEIR SIDE OR COMPLETELY DESTROYED.
Apr 2, 5:25 PM CDTTSTM WND DMGPiasa, ILROAD BLOCKED FROM DEBRIS ON RTE 16

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.

IssuedProductOfficeLasted
Apr 2, 3:50 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.2 hours before the alert went out and 165 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 2006-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2006-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 255 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
255 m²/s²
0-3 km storm-relative helicity
297 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 022214
TORLSX
ILC061-083-117-022300-
/O.NEW.KLSX.TO.W.0073.060402T2214Z-060402T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
514 PM CDT SUN APR 2 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN GREENE COUNTY IN SOUTHWEST ILLINOIS
  NORTHERN JERSEY COUNTY IN SOUTHWEST ILLINOIS
  MACOUPIN COUNTY IN SOUTHWEST ILLINOIS

* UNTIL 600 PM CDT

* AT 511 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION OVER OLD KANE...MOVING
  EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  KEMPER...
  CARLINVILLE...
  GIRARD...

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.

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 3923 9040 3908 9039 3917 8970 3947 8971

$$

BRITT
2 follow-up statements
000 
WWUS53 KLSX 022240
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
538 PM CDT SUN APR 2 2006

ILC061-083-022248-
/O.CAN.KLSX.TO.W.0073.000000T0000Z-060402T2300Z/
JERSEY IL-GREENE IL-
538 PM CDT SUN APR 2 2006

...THE TORNADO WARNING FOR GREENE AND JERSEY COUNTIES IS CANCELLED...

THE THUNDERSTORM WITH STRONG ROTATION HAS MOVED EAST OF THE GREENE 
AND JERSEY COUNTIES.  ADDTIONAL STRONG THUNDERSTORMS ARE POSSIBLE... 
AND A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM CDT.

LAT...LON 3934 9000 3917 8984 3917 8970 3948 8971

$$

ILC117-022300-
/O.CON.KLSX.TO.W.0073.000000T0000Z-060402T2300Z/
MACOUPIN IL-
538 PM CDT SUN APR 2 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR MACOUPIN 
COUNTY...

AT 530 PM CDT...TRAINED WEATHER SPOTTERS REPORTED STRONG ROTATION IN 
THE CLOUDS NEAR ROYAL LAKES AND ALSO NEAR BUNKER HILL...MOVING 
NORTHEAST AT 45 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
ATWATER...STANDARD CITY AND NILWOOD.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 3934 9000 3917 8984 3917 8970 3948 8971

$$

BRITT
000 
WWUS53 KLSX 022259 RRA
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
558 PM CDT SUN APR 2 2006

ILC117-022308-
/O.EXP.KLSX.TO.W.0073.000000T0000Z-060402T2300Z/
MACOUPIN IL-
558 PM CDT SUN APR 2 2006

...THE TORNADO WARNING FOR MACOUPIN COUNTY HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH 
REMAINS IN EFFECT UNTIL 8 PM CDT.

LAT...LON 3934 9000 3917 8984 3917 8970 3948 8971

$$

BRITT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 4:31 PM CDTSevere Thunderstorm WarningLSXAdams56 min
Apr 2, 4:34 PM CDTSevere Thunderstorm WarningLSXCalhoun, Pike56 min
Apr 2, 4:46 PM CDTTornado WarningLSXAdams, Pike37 min
Apr 2, 4:58 PM CDTSevere Thunderstorm WarningLSXBrown46 min
Apr 2, 5:03 PM CDTSevere Thunderstorm WarningLSXMadison, Monroe, Saint Clair43 min
Apr 2, 5:05 PM CDTSevere Thunderstorm WarningLSXGreene, Jersey, Macoupin40 min
Apr 2, 5:20 PM CDTSevere Thunderstorm WarningLSXRandolph40 min
Apr 2, 5:20 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Washington55 min
Apr 2, 5:34 PM CDTTornado WarningLSXRandolph25 min
Apr 2, 5:41 PM CDTTornado WarningLSXMontgomery36 min
Apr 2, 5:43 PM CDTSevere Thunderstorm WarningLSXFayette, Marion46 min

Nearby

Tornado Warnings in Illinois, 2006Every tornado warning in 2006Tornadoes in 2006

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.