Alert archive / Missouri / Tornado Warnings in 2005

Tornado Warning 2, NWS St. Louis, MO

April 21, 2005Moniteau County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 21, 2005, 3:51 PM CDT for Moniteau County, Missouri. It was in force for 41 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: Apr 21, 2005, 3:51 PM CDT (20:51 UTC)
Expired: Apr 21, 2005, 4:32 PM CDT
In force: 41 min
Issued by: NWS St. Louis, MO
Area: Counties, with a storm outline in the text

County Moniteau County, MO

The radar

The Pleasant Hill radar (KEAX), 148 km from the middle of the area, began a volume at 20:53 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.9 hours before the alert went out and 234 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: 780 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 696 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 93 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 212051
TORLSX
MOC135-212130-
/O.NEW.KLSX.TO.W.0002.050421T2051Z-050421T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
351 PM CDT THU APR 21 2005

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MONITEAU COUNTY IN CENTRAL MISSOURI

* UNTIL 430 PM CDT

* AT 349 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 5 MILES NORTH OF
  CLARKSBURG...MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CALIFORNIA
  JAMESTOWN

THIS TORNADO WARNING IS AN UPGRADE TO THE SEVERE THUNDERSTORM WARNING
PREVIOUSLY ISSUED FOR THE WARNED AREA.

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 3890 9254 3871 9263 3870 9269 3862 9271
      3863 9243 3873 9241 3888 9248

$$

CARNEY

3 follow-up statements

000 
WWUS53 KLSX 212104
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
404 PM CDT THU APR 21 2005

MOC135-212130-
/O.CON.KLSX.TO.W.0002.000000T0000Z-050421T2130Z/
MONITEAU MO-
404 PM CDT THU APR 21 2005

...A TORNADO WARNING CONTINUES UNTIL 430 PM CDT FOR NORTHERN MONITEAU
COUNTY...

AT 359 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO 6 MILES NORTHWEST OF KLIEVER...MOVING EAST AT 15
MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
CALIFORNIA...KLIEVER...JAMESTOWN...LUPUS AND SANDY HOOK.

IN ADDITION TO THE TORNADO...THIS TORNADO IS CAPABLE OF PRODUCING 
GOLFBALL OR LARGER 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.

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 3890 9254 3871 9263 3870 9269 3862 9271
      3863 9243 3873 9241 3888 9248

$$

CARNEY

000 
WWUS53 KLSX 212118
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
418 PM CDT THU APR 21 2005

MOC135-212130-
/O.CON.KLSX.TO.W.0002.000000T0000Z-050421T2130Z/
MONITEAU MO-
418 PM CDT THU APR 21 2005

...A TORNADO WARNING CONTINUES UNTIL 430 PM CDT FOR NORTHERN MONITEAU
COUNTY...

AT 414 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO OVER JAMESTOWN...MOVING EAST AT 15 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...
JAMESTOWN...LUPUS AND SANDY HOOK.

IN ADDITION TO THE TORNADO...THIS TORNADO IS CAPABLE OF PRODUCING 
GOLFBALL 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.

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 3890 9254 3871 9263 3870 9269 3862 9271
      3863 9243 3873 9241 3888 9248

$$

CARNEY

000 
WWUS53 KLSX 212132
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
430 PM CDT THU APR 21 2005

MOC135-212140-
/O.EXP.KLSX.TO.W.0002.000000T0000Z-050421T2130Z/
MONITEAU MO-
430 PM CDT THU APR 21 2005

...THE TORNADO WARNING FOR NORTHERN MONITEAU COUNTY HAS EXPIRED...

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

STRONG THUNDERSTORMS CONTINUE TO MOVE ACROSS MONITEAU COUNTY. AT 410 
PM STORM SPOTTERS REPORTED QUARTER SIZED HAIL IN JAMESTOWN.  BE 
ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND PLEASE REPORT ANY 
ADDITIONAL SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR THE NATIONAL 
WEATHER SERVICE.

LAT...LON 3890 9254 3871 9263 3870 9269 3862 9271
      3863 9243 3873 9241 3888 9248

$$

CARNEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 9:08 PM CDT	Severe Thunderstorm Warning	LSX	Washington	54 min
Apr 20, 10:54 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Franklin	51 min
Apr 20, 11:41 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	49 min
Apr 21, 3:04 AM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Louis	42 min
Apr 21, 4:25 AM CDT	Flash Flood Warning	LSX	Crawford	5 hr
Apr 21, 5:53 AM CDT	Flash Flood Warning	LSX	Jefferson	4 hr
Apr 21, 3:33 PM CDT	Severe Thunderstorm Warning	LSX	Cole, Moniteau	42 min
Apr 21, 4:13 PM CDT	Tornado Warning	LSX	Boone	32 min
Apr 21, 4:40 PM CDT	Tornado Warning	LSX	Callaway	50 min
Apr 21, 4:44 PM CDT	Severe Thunderstorm Warning	LSX	Boone	17 min
Apr 21, 4:48 PM CDT	Severe Thunderstorm Warning	LSX	Gasconade	42 min
Apr 21, 4:53 PM CDT	Severe Thunderstorm Warning	LSX	Iron	55 min
Apr 21, 4:59 PM CDT	Tornado Warning	LSX	Osage	46 min
Apr 21, 5:15 PM CDT	Severe Thunderstorm Warning	LSX	Franklin	45 min
Apr 21, 5:17 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	58 min
Apr 21, 5:30 PM CDT	Severe Thunderstorm Warning	LSX	Gasconade	30 min
Apr 21, 5:41 PM CDT	Tornado Warning	LSX	Osage	49 min
Apr 21, 5:55 PM CDT	Severe Thunderstorm Warning	LSX	Washington	50 min
Apr 21, 5:59 PM CDT	Severe Thunderstorm Warning	LSX	Franklin	50 min
Apr 21, 6:18 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson	42 min
Apr 21, 6:39 PM CDT	Flash Flood Warning	LSX	Washington	5 hr
Apr 21, 6:41 PM CDT	Severe Thunderstorm Warning	LSX	Washington	50 min
Apr 21, 6:55 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Louis, City of Saint Louis	54 min

Nearby

Tornado Warnings in Missouri, 2005 Every tornado warning in 2005 Tornadoes in 2005

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.