Alert archive / Missouri / Tornado Warnings in 2006
Tornado Warning 20, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Mar 11, 2006, 9:05 PM CST for Jefferson County, Sainte Genevieve County, Saint Francois County, Missouri. It was in force for 40 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
- Mar 11, 2006, 9:05 PM CST (03:05 UTC)
- Expired
- Mar 11, 2006, 9:45 PM CST
- In force
- 40 min
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
Counties Jefferson County, MO, Saint Francois County, MO, Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 74 km from the middle of the area, began a volume at 03:05 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 |
|---|---|---|---|
| Mar 11, 9:35 PM CST | TORNADO | 5 S Festus, MO | POSSIBLE TORNADO - REPORTS OF SEVERAL BUILDINGS COLLAPSED IN SELMA VILLAGE |
| Mar 11, 9:35 PM CST | TORNADO | 5 S Festus, MO | TORNADO -SEVERAL BUILDINGS COLLAPSED AND DESTROYED IN THE SELMA AREA NEAR I-55 AND HIGHWAY AA |
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 |
|---|---|---|---|
| Mar 11, 2:22 PM CST | Tornado Watch | SPC | 8 hr |
| Mar 11, 6:49 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 3.1 hours before the alert went out and 282 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KLSX 120305
TORLSX
MOC099-186-187-120345-
/O.NEW.KLSX.TO.W.0020.060312T0305Z-060312T0345Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
905 PM CST SAT MAR 11 2006
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI
NORTHWESTERN ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI
NORTHWESTERN STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI
* UNTIL 945 PM CST
* AT 900 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM WITH STRONG ROTATION 16 MILES SOUTHWEST OF DE
SOTO...MOVING EAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
DE SOTO...
BLACKWELL...
VALLES MILL...
OLYMPIAN VILLAGE...
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.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
GOLFBALL TO BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST SATURDAY EVENING
FOR SOUTHWESTERN ILLINOIS AND EASTERN MISSOURI. A TORNADO WATCH ALSO
REMAINS IN EFFECT UNTIL 200 AM CST SUNDAY MORNING FOR SOUTHWESTERN
ILLINOIS AND SOUTHEASTERN MISSOURI.
LAT...LON 3808 9064 3811 9068 3824 9038 3819 9035
3808 9021 3807 9017 3804 9013 3794 9055
3794 9059 3792 9064
$$
CARNEY3 follow-up statements
000
WWUS53 KLSX 120325
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
923 PM CST SAT MAR 11 2006
MOC099-186-187-120345-
/O.CON.KLSX.TO.W.0020.000000T0000Z-060312T0345Z/
ST. FRANCOIS MO-STE. GENEVIEVE MO-JEFFERSON MO-
923 PM CST SAT MAR 11 2006
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CST FOR
SOUTHEASTERN JEFFERSON...NORTHWESTERN STE. GENEVIEVE AND NORTHWESTERN
ST. FRANCOIS COUNTIES...
AT 920 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO OVER VALLES MILL...MOVING EAST AT 40 MPH.
LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
RURAL SOUTHERN JEFFERSON COUNTY...RURAL NORTHEASTERN ST. FRANCOIS
COUNTY AND RURAL NORTHERN STE. GENEVIEVE COUNTY.
IN ADDITION TO THE TORNADO...THIS STORM WAS IS CAPABLE OF PRODUCING
GOLFBALL SIZE OR LARGER HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 3808 9064 3811 9068 3824 9038 3819 9035
3808 9021 3804 9013 3792 9064
$$
BYRD000
WWUS53 KLSX 120338
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
934 PM CST SAT MAR 11 2006
MOC099-186-187-120345-
/O.CON.KLSX.TO.W.0020.000000T0000Z-060312T0345Z/
ST. FRANCOIS MO-STE. GENEVIEVE MO-JEFFERSON MO-
934 PM CST SAT MAR 11 2006
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CST FOR
SOUTHEASTERN JEFFERSON...NORTHWESTERN STE. GENEVIEVE AND NORTHWESTERN
ST. FRANCOIS COUNTIES...
AT 930 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO JUST SOUTH OF OLYMPIAN VILLAGE...MOVING NORTHEAST
AT 45 MPH.
LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
RURAL SOUTHERN JEFFERSON COUNTY.
ANOTHER SEVERE THUNDERSTORM WAS LOCATED JUST WEST OF BONNE
TERRE...IN NORTHERN ST. FRANCOIS COUNTY...MOVING NORTHEAST AT 45
MPH. THIS STORM WILL AFFECT BONNE TERRE...FRENCH VILLAGE AND RURAL
NORTHERN STE. GENEVIEVE COUNTY.
IN ADDITION TO THE TORNADO...THIS STORM WAS IS CAPABLE OF PRODUCING
GOLFBALL SIZE OR LARGER 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.
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 3808 9064 3811 9068 3824 9038 3819 9035
3808 9021 3804 9013 3785 9065
$$
BYRD000
WWUS53 KLSX 120346
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
946 PM CST SAT MAR 11 2006
MOC099-186-187-120356-
/O.EXP.KLSX.TO.W.0020.000000T0000Z-060312T0345Z/
ST. FRANCOIS MO-STE. GENEVIEVE MO-JEFFERSON MO-
946 PM CST SAT MAR 11 2006
...THE TORNADO WARNING FOR SOUTHEASTERN JEFFERSON...NORTHWESTERN STE.
GENEVIEVE AND NORTHWESTERN ST. FRANCOIS COUNTIES HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.
ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH
REMAINS IN EFFECT.
LAT...LON 3808 9064 3811 9068 3824 9038 3819 9035
3808 9021 3804 9013 3785 9065
$$
BYRDThe 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, 9:15 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, 12:46 AM CST | Tornado Warning | LSX | Sainte Genevieve | 23 min |
| 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, 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.