Alert archive / Missouri / Tornado Warnings in 2006

Tornado Warning 28, NWS St. Louis, MO

March 12, 2006Sainte Genevieve County, Missouri

NWS St. Louis, MO issued this tornado warning at Mar 12, 2006, 12:46 AM CST for Sainte Genevieve County, Missouri. It was in force for 23 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 12, 2006, 12:46 AM CST (06:46 UTC)
Expired: Mar 12, 2006, 1:09 AM CST
In force: 23 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 79 km from the middle of the area, began a volume at 06:49 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.

Issued	Product	Office	Lasted
Mar 11, 6:49 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.8 hours before the alert went out and 276 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: 789 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 120646
TORLSX
MOC186-120715-
/O.NEW.KLSX.TO.W.0028.060312T0646Z-060312T0715Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1246 AM CST SUN MAR 12 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI

* UNTIL 115 AM CST

* AT 1244 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION OVER EXTREME SOUTHEASTERN
  JEFFERSON COUNTY...MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
RURAL NORTHERN STE. GENEVIEVE COUNTY

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 200 AM CST SUNDAY MORNING FOR
SOUTHWESTERN ILLINOIS AND SOUTHEASTERN MISSOURI. A TORNADO WATCH ALSO
REMAINS IN EFFECT UNTIL 400 AM CST SUNDAY MORNING FOR SOUTH CENTRAL
ILLINOIS.

LAT...LON 3803 9039 3805 9040 3809 9034 3808 9030
      3810 9028 3811 9025 3802 9010 3801 9025
      3799 9032

$$

CVKING

1 follow-up statement

000 
WWUS53 KLSX 120709
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
110 AM CST SUN MAR 12 2006

MOC186-120720-
/O.CAN.KLSX.TO.W.0028.000000T0000Z-060312T0715Z/
STE. GENEVIEVE MO-
110 AM CST SUN MAR 12 2006

...THE TORNADO WARNING FOR NORTHWESTERN STE. GENEVIEVE COUNTY IS
CANCELLED...

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

LAT...LON 3803 9039 3805 9040 3809 9034 3808 9030
      3810 9028 3811 9025 3802 9010 3801 9025
      3799 9032

$$

CVKING

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 11, 6:21 PM CST	Severe Thunderstorm Warning	LSX	Crawford, Washington	39 min
Mar 11, 7:05 PM CST	Severe Thunderstorm Warning	LSX	Crawford, Iron, Washington	40 min
Mar 11, 7:22 PM CST	Tornado Warning	LSX	Reynolds	38 min
Mar 11, 7:54 PM CST	Tornado Warning	LSX	Crawford	51 min
Mar 11, 7:58 PM CST	Tornado Warning	LSX	Iron, Reynolds	47 min
Mar 11, 8:20 PM CST	Tornado Warning	LSX	Madison	55 min
Mar 11, 8:26 PM CST	Tornado Warning	LSX	Washington	49 min
Mar 11, 8:47 PM CST	Severe Thunderstorm Warning	LSX	Crawford	28 min
Mar 11, 9:00 PM CST	Severe Thunderstorm Warning	LSX	Sainte Genevieve, Saint Francois	30 min
Mar 11, 9:05 PM CST	Tornado Warning	LSX	Jefferson, Sainte Genevieve, Saint Francois	40 min
Mar 11, 9:15 PM CST	Severe Thunderstorm Warning	LSX	Washington	30 min
Mar 11, 9:23 PM CST	Severe Thunderstorm Warning	LSX	Crawford	29 min
Mar 11, 9:39 PM CST	Tornado Warning	LSX	Sainte Genevieve	51 min
Mar 11, 9:43 PM CST	Severe Thunderstorm Warning	LSX	Washington	47 min
Mar 11, 10:17 PM CST	Severe Thunderstorm Warning	LSX	Sainte Genevieve	43 min
Mar 11, 10:26 PM CST	Severe Thunderstorm Warning	LSX	Crawford	38 min
Mar 11, 11:01 PM CST	Severe Thunderstorm Warning	LSX	Jefferson, Washington	39 min
Mar 11, 11:53 PM CST	Tornado Warning	LSX	Crawford, Washington	37 min
Mar 12, 12:12 AM CST	Tornado Warning	LSX	Jefferson	41 min
Mar 12, 12:18 AM CST	Tornado Warning	LSX	Washington	19 min
Mar 12, 12:35 AM CST	Severe Thunderstorm Warning	LSX	Madison, Sainte Genevieve, Saint Francois	40 min
Mar 12, 12:44 AM CST	Flash Flood Warning	LSX	Crawford, Jefferson, Sainte Genevieve, Saint Francois, Washington	6 hr
Mar 12, 2:53 AM CST	Severe Thunderstorm Warning	LSX	Reynolds	32 min
Mar 12, 3:03 AM CST	Flash Flood Warning	LSX	Iron, Madison, Reynolds	4 hr
Mar 12, 10:51 AM CST	Severe Thunderstorm Warning	LSX	Marion, Monroe, Ralls, Shelby	39 min
Mar 12, 10:54 AM CST	Tornado Warning	LSX	Marion, Monroe, Ralls, Shelby	51 min
Mar 12, 11:24 AM CST	Tornado Warning	LSX	Marion, Ralls	36 min
Mar 12, 4:27 PM CST	Tornado Warning	LSX	Boone, Moniteau	48 min
Mar 12, 4:29 PM CST	Tornado Warning	LSX	Audrain, Boone	46 min
Mar 12, 5:13 PM CST	Tornado Warning	LSX	Audrain, Boone, Callaway	47 min
Mar 12, 5:16 PM CST	Tornado Warning	LSX	Audrain, Boone, Monroe	29 min
Mar 12, 5:35 PM CST	Tornado Warning	LSX	Audrain, Monroe, Pike, Ralls	55 min
Mar 12, 5:54 PM CST	Tornado Warning	LSX	Audrain, Lincoln, Montgomery, Pike	66 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.