Alert archive / Illinois / Tornado Warnings in 2006

Tornado Warning 63, NWS St. Louis, MO

March 13, 2006Greene County, Illinois

NWS St. Louis, MO issued this tornado warning at Mar 13, 2006, 2:01 AM CST for Greene County, Illinois. It was in force for 44 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 13, 2006, 2:01 AM CST (08:01 UTC)
Expired
Mar 13, 2006, 2:45 AM CST
In force
44 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

County Greene County, IL

The radar

The St Louis radar (KLSX), 74 km from the middle of the area, began a volume at 08:01 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 12, 8:42 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 8.0 hours before the alert went out and 184 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 2006-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 730 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 2006-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 square meters per square second.1939587897117Sfc1 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
730 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
565 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
322 m²/s²
Significant tornado parameter
1.5
Supercell composite
5.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 130802
TORLSX
ILC061-130845-
/O.NEW.KLSX.TO.W.0063.060313T0801Z-060313T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
201 AM CST MON MAR 13 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  GREENE COUNTY IN SOUTHWEST ILLINOIS

* UNTIL 245 AM CST

* AT 156 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 15 MILES WEST OF
  CARROLLTON...MOVING NORTHEAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CARROLLTON...
  WHITE HALL...
  ROODHOUSE...
  ATHENSVILLE...
  GREENFIELD...
  ELDRED... 

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CST MONDAY MORNING FOR
SOUTHWESTERN ILLINOIS AND SOUTHEASTERN MISSOURI. A TORNADO WATCH ALSO
REMAINS IN EFFECT UNTIL 400 AM CST MONDAY MORNING FOR SOUTHWESTERN
ILLINOIS AND NORTHEASTERN MISSOURI.

LAT...LON 3932 9069 3913 9062 3926 9015 3952 9016
      3952 9056

$$

GKS
1 follow-up statement
000 
WWUS53 KLSX 130817
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
216 AM CST MON MAR 13 2006

ILC061-130845-
/O.CON.KLSX.TO.W.0063.000000T0000Z-060313T0845Z/
GREENE IL-
216 AM CST MON MAR 13 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 AM CST FOR GREENE
COUNTY...

AT 212 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO OVER WOODY...MOVING EAST AT 45 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
CARROLLTON...WRIGHTS...ROCKBRIDGE AND GREENFIELD.

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.

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 3932 9069 3913 9062 3926 9015 3952 9016
      3952 9056

$$

GKS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 6:12 PM CSTTornado WarningLSXPike63 min
Mar 12, 6:41 PM CSTTornado WarningLSXCalhoun26 min
Mar 12, 7:05 PM CSTTornado WarningLSXGreene37 min
Mar 12, 10:35 PM CSTTornado WarningLSXAdams40 min
Mar 12, 11:21 PM CSTTornado WarningLSXAdams, Brown39 min
Mar 13, 12:26 AM CSTTornado WarningLSXCalhoun40 min
Mar 13, 12:52 AM CSTTornado WarningLSXGreene38 min
Mar 13, 1:24 AM CSTTornado WarningLSXMacoupin14 min
Mar 13, 1:52 AM CSTTornado WarningLSXCalhoun38 min
Mar 13, 2:31 AM CSTSevere Thunderstorm WarningLSXMacoupin44 min
Mar 13, 2:56 AM CSTSevere Thunderstorm WarningLSXMontgomery49 min
Mar 13, 3:02 AM CSTSevere Thunderstorm WarningLSXMadison43 min
Mar 13, 3:35 AM CSTSevere Thunderstorm WarningLSXBond40 min
Mar 13, 4:01 AM CSTSevere Thunderstorm WarningLSXMonroe, Saint Clair33 min
Mar 13, 4:04 AM CSTTornado WarningLSXRandolph35 min
Mar 13, 4:27 AM CSTSevere Thunderstorm WarningLSXWashington48 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.