Alert archive / Missouri / Tornado Warnings in 2007

Tornado Warning 1, NWS St. Louis, MO

March 1, 2007Ralls County, Missouri

NWS St. Louis, MO issued this tornado warning at Mar 1, 2007, 2:10 AM CST for Ralls County, Missouri. It was in force for 27 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: Mar 1, 2007, 2:10 AM CST (08:10 UTC)
Expired: Mar 1, 2007, 2:37 AM CST
In force: 27 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Ralls County, MO

The radar

The St Louis radar (KLSX), 126 km from the middle of the area, began a volume at 08:10 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 1, 2:15 AM CST	TSTM WND DMG	7 Se Monroe City, MO	COUPLE OF BUILDINGS DAMAGED

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 1, 12:16 AM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 8.2 hours before the alert went out and 236 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: 976 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 533 m²/s²
0-3 km storm-relative helicity: 631 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 010811
TORLSX
MOC173-010900-
/O.NEW.KLSX.TO.W.0001.070301T0810Z-070301T0900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
210 AM CST THU MAR 1 2007

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN RALLS COUNTY IN NORTHEAST MISSOURI

* UNTIL 300 AM CST

* AT 205 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 10 MILES SOUTHWEST OF
  SPAULDING...OR ABOUT 7 MILES SOUTH OF MONROE CITY...MOVING
  NORTHEAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SPAULDING...
  RENSSELAER...

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 3968 9156 3968 9131 3965 9127 3964 9128
      3959 9140 3949 9161 3957 9170 3966 9170
      3969 9163 3969 9157

$$

CARNEY

1 follow-up statement

000 
WWUS53 KLSX 010837
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
236 AM CST THU MAR 1 2007

MOC173-010846-
/O.CAN.KLSX.TO.W.0001.000000T0000Z-070301T0900Z/
RALLS MO-
236 AM CST THU MAR 1 2007

...THE TORNADO WARNING FOR NORTHERN RALLS COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
COUNTY...HOWEVER THUNDERSTORMS WITH GUSTY WINDS WILL CONTINUE TO 
AFFECT THE AREA.  CONTINUE TO MONITOR LOCAL MEDIA OR NOAA WEATHER 
RADIO FOR UPDATES.

LAT...LON 3968 9156 3968 9131 3965 9127 3964 9128
      3959 9140 3949 9161 3957 9170 3966 9170
      3969 9163 3969 9157

$$

CARNEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 9:59 PM CST	Severe Thunderstorm Warning	LSX	Marion, Monroe, Shelby	46 min
Mar 1, 2:05 AM CST	Severe Thunderstorm Warning	LSX	Lewis, Marion	55 min
Mar 1, 2:06 AM CST	Severe Thunderstorm Warning	LSX	Lewis, Marion	54 min
Mar 1, 2:22 AM CST	Tornado Warning	LSX	Marion	23 min
Mar 1, 3:57 AM CST	Severe Thunderstorm Warning	LSX	Boone, Callaway, Cole, Moniteau	48 min
Mar 1, 4:38 AM CST	Severe Thunderstorm Warning	LSX	Callaway	52 min
Mar 1, 5:05 AM CST	Severe Thunderstorm Warning	LSX	Montgomery	40 min
Mar 1, 6:58 AM CST	Severe Thunderstorm Warning	LSX	Crawford, Franklin, Gasconade	47 min
Mar 1, 7:12 AM CST	Tornado Warning	LSX	Crawford, Franklin	48 min
Mar 1, 7:34 AM CST	Tornado Warning	LSX	Reynolds	41 min
Mar 1, 7:53 AM CST	Tornado Warning	LSX	Franklin, Saint Charles, Saint Louis	52 min
Mar 1, 8:37 AM CST	Severe Thunderstorm Warning	LSX	Jefferson, Washington	38 min
Mar 1, 8:43 AM CST	Severe Thunderstorm Warning	LSX	Saint Charles	24 min
Mar 1, 10:47 AM CST	Wind Advisory	LSX	Audrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more	13 hr

Nearby

Tornado Warnings in Missouri, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.