Alert archive / Missouri / Tornado Warnings in 2006

Tornado Warning 4, NWS St. Louis, MO

January 2, 2006Franklin County, Saint Charles County, Missouri

NWS St. Louis, MO issued this tornado warning at Jan 2, 2006, 3:41 AM CST for Franklin County, Saint Charles County, Missouri. It was in force for 34 min. 1 report 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
Jan 2, 2006, 3:41 AM CST (09:41 UTC)
Expired
Jan 2, 2006, 4:15 AM CST
In force
34 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

Counties Franklin County, MO, Saint Charles County, MO

The radar

The St Louis radar (KLSX), 29 km from the middle of the area, began a volume at 09:40 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
Jan 2, 3:45 AM CSTHAIL 0.753 N Union, MO

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
Jan 2, 2:15 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 9.7 hours before the alert went out and 270 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 2006-01-02Temperature 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 00:00Z on 2006-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
632 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
193 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 020943
TORLSX
MOC071-183-021015-
/O.NEW.KLSX.TO.W.0004.060102T0941Z-060102T1015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
341 AM CST MON JAN 2 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  FRANKLIN COUNTY IN EAST CENTRAL MISSOURI
  WESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 415 AM CST

* AT 340 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION OVER UNION...MOVING
  NORTHEAST AT 40 MPH.  A SECOND SEVERE THUNDERSTORM WITH ROTATION
  WAS LOCATED 5 MILES SOUTHEAST OF ST. CLAIR.

* LOCATIONS IMPACTED INCLUDE...
  WASHINGTON
  AUGUSTA
  DEFIANCE
  NEW MELLE
  DARDENNE PRAIRIE
  WELDON SPRING
  COTTLEVILLE

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 3840 9112 3835 9104 3877 9057 3877 9089

$$

BRITT
2 follow-up statements
000 
WWUS53 KLSX 021000
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
358 AM CST MON JAN 2 2006

MOC071-183-021015-
/O.CON.KLSX.TO.W.0004.000000T0000Z-060102T1015Z/
FRANKLIN MO-ST. CHARLES MO-
358 AM CST MON JAN 2 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM CST FOR WESTERN 
ST. CHARLES AND FRANKLIN COUNTIES...

AT 355 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION 5 MILES EAST OF 
WASHINGTON...MOVING NORTHEAST AT 45 MPH.  A SECOND THUNDERSTORM WITH 
ROTATION WAS LOCATED 5 MILES SOUTHWEST OF ROBERTSVILLE.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
MATSON...DEFIANCE...NEW MELLE...DARDENNE PRAIRIE AND WELDON SPRING.

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 3840 9112 3835 9104 3877 9057 3877 9089

$$

BRITT
000 
WWUS53 KLSX 021017
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
415 AM CST MON JAN 2 2006

MOC071-183-021025-
/O.EXP.KLSX.TO.W.0004.000000T0000Z-060102T1015Z/
FRANKLIN MO-ST. CHARLES MO-
415 AM CST MON JAN 2 2006

...THE TORNADO WARNING FOR WESTERN ST. CHARLES AND FRANKLIN COUNTIES 
HAS EXPIRED...

THE ROTATION IN THE THUNDERSTORM HAS WEAKENED...SO THE WARNING HAS 
BEEN ALLOWED TO EXPIRE.

ADDITIONAL STRONG THUNDERSTORMS...SOME SHOWING WEAK ROTATION ARE 
OCCURRING OVER EAST CENTRAL MISSOURI.  ADDITIONAL WARNINGS MAY BE 
REQUIRED.  A TORNADO WATCH REMAINS IN EFFECT UNTIL 8 AM CST.

LAT...LON 3840 9112 3835 9104 3877 9057 3877 9089

$$

BRITT

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 1:16 AM CSTSevere Thunderstorm WarningLSXFranklin, Gasconade44 min
Jan 2, 1:39 AM CSTSevere Thunderstorm WarningLSXWarren51 min
Jan 2, 1:46 AM CSTTornado WarningLSXCrawford, Franklin, Gasconade44 min
Jan 2, 2:06 AM CSTSevere Thunderstorm WarningLSXLincoln39 min
Jan 2, 2:24 AM CSTSevere Thunderstorm WarningLSXGasconade, Osage51 min
Jan 2, 2:31 AM CSTTornado WarningLSXFranklin, Saint Charles, Warren44 min
Jan 2, 2:42 AM CSTSevere Thunderstorm WarningLSXLincoln48 min
Jan 2, 3:03 AM CSTSevere Thunderstorm WarningLSXPike42 min
Jan 2, 3:15 AM CSTTornado WarningLSXLincoln, Saint Charles45 min
Jan 2, 3:28 AM CSTSevere Thunderstorm WarningLSXFranklin47 min
Jan 2, 4:09 AM CSTSevere Thunderstorm WarningLSXReynolds40 min
Jan 2, 4:09 AM CSTSevere Thunderstorm WarningLSXLincoln, Pike51 min
Jan 2, 4:32 AM CSTSevere Thunderstorm WarningLSXLincoln, Saint Charles43 min
Jan 2, 4:37 AM CSTSevere Thunderstorm WarningLSXJefferson38 min
Jan 2, 4:40 AM CSTSevere Thunderstorm WarningLSXIron25 min
Jan 2, 4:55 AM CSTSevere Thunderstorm WarningLSXSaint Louis50 min
Jan 2, 5:12 AM CSTSevere Thunderstorm WarningLSXJefferson33 min
Jan 2, 5:18 AM CSTTornado WarningLSXSaint Louis, City of Saint Louis27 min

Nearby

Tornado Warnings in Missouri, 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.