Alert archive / Missouri / Tornado Warnings in 2009

Tornado Warning 2, NWS St. Louis, MO

March 8, 2009Crawford County, Missouri

NWS St. Louis, MO issued this tornado warning at Mar 8, 2009, 9:51 AM CDT for Crawford County, Missouri. It was in force for 24 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: Mar 8, 2009, 9:51 AM CDT (14:51 UTC)
Expired: Mar 8, 2009, 10:15 AM CDT
In force: 24 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon

County Crawford County, MO

The radar

The St Louis radar (KLSX), 113 km from the middle of the area, began a volume at 14:54 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 8, 10:00 AM CDT	TSTM WND DMG	6 Nnw Cherryville, MO	ROOF DAMAGE TO MOBILE HOME
Mar 8, 10:03 AM CDT	TSTM WND DMG	Steelville, MO	TREE DAMAGE JUST SOUTH OF WESCO
Mar 8, 10:19 AM CDT	TSTM WND DMG	14 Ese Steelville, MO	TREE DAMAGE JUST WEST OF BERRYMAN ON HWY B

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 8, 6:32 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 2.9 hours before the alert went out and 245 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: 857 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 852 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 408 m²/s²
0-3 km storm-relative helicity: 387 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 8.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 081451
TORLSX
MOC055-081515-
/O.NEW.KLSX.TO.W.0002.090308T1451Z-090308T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
951 AM CDT SUN MAR 8 2009

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 1015 AM CDT

* AT 950 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 21 MILES WEST OF
  CHERRYVILLE...OR ABOUT 11 MILES NORTHWEST OF SALEM...MOVING EAST AT
  65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CHERRYVILLE...

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 3771 9132 3778 9133 3778 9153 3779 9154
      3794 9154 3802 9110 3796 9110 3777 9111
      3774 9114 3774 9116 3772 9115 3770 9116
TIME...MOT...LOC 1452Z 259DEG 55KT 3778 9162

$$

GLASS

1 follow-up statement

000 
WWUS53 KLSX 081503
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1003 AM CDT SUN MAR 8 2009

MOC055-081515-
/O.CON.KLSX.TO.W.0002.000000T0000Z-090308T1515Z/
CRAWFORD MO-
1003 AM CDT SUN MAR 8 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR SOUTHERN
CRAWFORD COUNTY...

AT 959 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR COOK STATION...OR
12 MILES NORTH OF SALEM...AND WAS MOVING EAST AT 65 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...CHERRYVILLE...
STEELVILLE AND DAVISVILLE.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 3771 9132 3778 9133 3778 9153 3779 9154
      3794 9154 3802 9110 3796 9110 3777 9111
      3774 9114 3774 9116 3772 9115 3770 9116
TIME...MOT...LOC 1503Z 255DEG 56KT 3783 9143

$$

GLASS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 7, 9:54 PM CST	Flash Flood Watch	LSX	Knox, Lewis, Marion, Monroe, Shelby	8 hr
Mar 8, 8:37 AM CDT	Severe Thunderstorm Warning	LSX	Boone, Callaway, Cole, Moniteau, Osage	38 min
Mar 8, 9:21 AM CDT	Severe Thunderstorm Warning	LSX	Callaway, Cole, Franklin, Gasconade, Lincoln, Montgomery and 2 more	39 min
Mar 8, 9:49 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade, Osage	26 min
Mar 8, 10:14 AM CDT	Tornado Warning	LSX	Crawford, Washington	31 min
Mar 8, 10:16 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Saint Charles, Warren	35 min
Mar 8, 10:19 AM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles, Warren	26 min
Mar 8, 10:36 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Saint Charles, Saint Louis, City of Saint Louis	24 min
Mar 8, 10:39 AM CDT	Tornado Warning	LSX	Jefferson, Sainte Genevieve, Saint Francois, Washington	36 min
Mar 8, 10:51 AM CDT	Tornado Warning	LSX	Lincoln	24 min
Mar 8, 11:06 AM CDT	Tornado Warning	LSX	Jefferson, Sainte Genevieve	39 min
Mar 8, 12:16 PM CDT	Wind Advisory	LSX	Audrain, Boone, Callaway, Cole, Crawford, Franklin and 20 more	7 hr
Mar 8, 2:14 PM CDT	River Flood Warning	LSX	Lewis	5 days
Mar 8, 2:14 PM CDT	River Flood Warning	LSX	Lewis	4 days

Nearby

Tornado Warnings in Missouri, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.