Alert archive / Missouri / Tornado Warnings in 2006

Tornado Warning 101, NWS St. Louis, MO

September 22, 2006Jefferson County, Washington County, Missouri

NWS St. Louis, MO issued this tornado warning at Sep 22, 2006, 3:10 PM CDT for Jefferson County, Washington County, Missouri. It was in force for 37 min. 3 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: Sep 22, 2006, 3:10 PM CDT (20:10 UTC)
Expired: Sep 22, 2006, 3:47 PM CDT
In force: 37 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

Counties Jefferson County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 57 km from the middle of the area, began a volume at 20:11 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

Time	Report	Where	Remark
Sep 22, 3:20 PM CDT	HAIL 2	2 Ne Richwoods, MO
Sep 22, 3:20 PM CDT	TORNADO	Richwoods, MO
Sep 22, 3:30 PM CDT	TORNADO	1 Se Richwoods, MO	ROOF BLOWN OFF HOUSE

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.

Issued	Product	Office	Lasted
Sep 22, 1:16 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.2 hours before the alert went out and 283 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 831 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 571 m²/s²
0-3 km storm-relative helicity: 612 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 222010
TORLSX
MOC099-221-222115-
/O.NEW.KLSX.TO.W.0101.060922T2010Z-060922T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
310 PM CDT FRI SEP 22 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  JEFFERSON COUNTY IN EAST CENTRAL MISSOURI   
  NORTHEASTERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 415 PM CDT

* AT 306 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A TORNADO 6 MILES WEST OF RICHWOODS...OR ABOUT 9 MILES NORTHEAST OF
  ANTHONIES MILL...MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HILLSBORO...
  DE SOTO...
  OLYMPIAN VILLAGE...
  FESTUS...
  CRYSTAL CITY...
  HERCULANEUM...
  PEVELY...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTHWESTERN ILLINOIS AND EASTERN MISSOURI.

LAT...LON 3821 9095 3811 9096 3811 9069 3812 9028
      3838 9034

$$

CVKING

4 follow-up statements

000 
WWUS53 KLSX 222023
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
323 PM CDT FRI SEP 22 2006

MOC099-221-222115-
/O.CON.KLSX.TO.W.0101.000000T0000Z-060922T2115Z/
WASHINGTON MO-JEFFERSON MO-
323 PM CDT FRI SEP 22 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR 
JEFFERSON AND NORTHERN WASHINGTON COUNTIES...

AT 321 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO IN 
RICHWOODS. THIS TORNADO WAS LOCATED NEAR FLETCHER...OR ABOUT 9 MILES 
WEST OF DE SOTO...MOVING EAST AT 40 MPH.

TENNIS BALL SIZE HAIL WAS REPORTED WITH THIS STORM NORTH OF 
RICHWOODS.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
VICTORIA...HILLSBORO...DE SOTO...HEMATITE...MAPAVILLE...OLYMPIAN
VILLAGE...FESTUS...CRYSTAL CITY...HERCULANEUM AND PEVELY.

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 3821 9095 3811 9096 3811 9069 3812 9028
      3838 9034

$$

CVKING

000 
WWUS53 KLSX 222030
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
330 PM CDT FRI SEP 22 2006

MOC221-222040-
/O.CAN.KLSX.TO.W.0101.000000T0000Z-060922T2115Z/
WASHINGTON MO-
330 PM CDT FRI SEP 22 2006

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

LAT...LON 3824 9072 3816 9070 3811 9069 3812 9028
      3838 9034

$$

MOC099-222115-
/O.CON.KLSX.TO.W.0101.000000T0000Z-060922T2115Z/
JEFFERSON MO-
330 PM CDT FRI SEP 22 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR 
JEFFERSON COUNTY...

AT 326 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 6 MILES NORTHWEST OF DE
SOTO...MOVING EAST AT 40 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
VICTORIA...HEMATITE...MAPAVILLE...OLYMPIAN VILLAGE...FESTUS...CRYSTAL
CITY...HERCULANEUM AND PEVELY.

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 3824 9072 3816 9070 3811 9069 3812 9028
      3838 9034

$$

CVKING

000 
WWUS53 KLSX 222036
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
336 PM CDT FRI SEP 22 2006

MOC099-222115-
/O.CON.KLSX.TO.W.0101.000000T0000Z-060922T2115Z/
JEFFERSON MO-
336 PM CDT FRI SEP 22 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR 
JEFFERSON COUNTY...

AT 331 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WOULD BE LOCATED NEAR DE 
SOTO...MOVING EAST AT 40 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
MAPAVILLE...OLYMPIAN VILLAGE...FESTUS...CRYSTAL CITY...HERCULANEUM
AND PEVELY.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3824 9072 3816 9070 3811 9069 3812 9028
      3838 9034

$$

CVKING

000 
WWUS53 KLSX 222047
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
348 PM CDT FRI SEP 22 2006

MOC099-222058-
/O.CAN.KLSX.TO.W.0101.000000T0000Z-060922T2115Z/
JEFFERSON MO-
348 PM CDT FRI SEP 22 2006

...THE TORNADO WARNING FOR JEFFERSON COUNTY IS CANCELLED...

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

LAT...LON 3824 9072 3816 9070 3811 9069 3812 9028
      3838 9034

$$

CVKING

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 22, 1:59 PM CDT	Tornado Warning	LSX	Crawford, Franklin, Washington	76 min
Sep 22, 2:02 PM CDT	Tornado Warning	LSX	Crawford, Washington	43 min
Sep 22, 2:12 PM CDT	Tornado Warning	LSX	Iron, Reynolds	63 min
Sep 22, 2:43 PM CDT	Tornado Warning	LSX	Saint Francois, Washington	41 min
Sep 22, 3:13 PM CDT	Tornado Warning	LSX	Iron, Madison, Sainte Genevieve, Saint Francois	47 min
Sep 22, 4:13 PM CDT	Tornado Warning	LSX	Iron, Reynolds, Washington	62 min
Sep 22, 4:17 PM CDT	Tornado Warning	LSX	Franklin, Jefferson	43 min
Sep 22, 4:56 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson, Washington	49 min
Sep 22, 5:02 PM CDT	Tornado Warning	LSX	Sainte Genevieve, Saint Francois	58 min
Sep 22, 5:07 PM CDT	Tornado Warning	LSX	Jefferson	33 min
Sep 22, 5:57 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	48 min
Sep 22, 6:19 PM CDT	Severe Thunderstorm Warning	LSX	Washington	56 min
Sep 22, 6:46 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson	44 min

Nearby

Tornado Warnings in Missouri, 2006 Every tornado warning in 2006 Tornadoes 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.