Alert archive / Missouri / Tornado Warnings in 2005

Tornado Warning 7, NWS Springfield, MO

April 21, 2005Maries County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 21, 2005, 6:59 PM CDT for Maries County, Missouri. It was in force for 61 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, 6:59 PM CDT (23:59 UTC)
Expired: Apr 21, 2005, 8:00 PM CDT
In force: 61 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Maries County, MO

The radar

The St Louis radar (KLSX), 116 km from the middle of the area, began a volume at 00:03 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
Apr 21, 1:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Apr 21, 6:10 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 12.0 hours before the alert went out and 224 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 KSGF 220000
TORSGF
MOC125-220100-
/O.NEW.KSGF.TO.W.0007.050421T2359Z-050422T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
659 PM CDT THU APR 21 2005

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  MARIES COUNTY IN CENTRAL MISSOURI.

* UNTIL 800 PM CDT.

* AT 658 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 8 MILES SOUTHEAST OF VIENNA...OR 13 MILES        
  NORTH OF ROLLA...AND MOVING EAST AT 10 MPH. IN ADDITION...LAW      
  ENFORCEMENT REPORTED SILVER DOLLAR SIZED HAIL 7 MILES SOUTH OF     
  VIENNA.

* THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF EASTERN MARIES
  COUNTY...INCLUDING THE TOWN OF VICHY.

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 3819 9196 3806 9192 3807 9165 3828 9166
      3828 9190

$$

SAW

3 follow-up statements

000 
WWUS53 KSGF 220009
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
708 PM CDT THU APR 21 2005

MOC125-220100-
/O.CON.KSGF.TO.W.0007.000000T0000Z-050422T0100Z/
MARIES MO-
708 PM CDT THU APR 21 2005

...A TORNADO WARNING CONTINUES FOR MARIES COUNTY UNTIL 800 PM CDT...

AT 706 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO..  THIS DANGEROUS
STORM WAS LOCATED 8 MILES EAST OF VIENNA...OR 14 MILES NORTH OF
ROLLA...AND MOVING EAST AT 10 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF EASTERN MARIES
COUNTY...INCLUDING THE TOWN OF VICHY.

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.

THIS STORM IS CAPABLE OF PRODUCING SILVER DOLLAR SIZE HAIL AND 
DESTRUCTIVE STRAIGHT LINE WINDS. SEEK SHELTER NOW THIS TORNADO 
WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY IN 
EFFECT.

LAT...LON 3818 9186 3806 9183 3806 9164 3828 9166
      3828 9188

$$

SAW

000 
WWUS53 KSGF 220030
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
730 PM CDT THU APR 21 2005

MOC125-220100-
/O.CON.KSGF.TO.W.0007.000000T0000Z-050422T0100Z/
MARIES MO-
730 PM CDT THU APR 21 2005

...A TORNADO WARNING CONTINUES FOR MARIES COUNTY UNTIL 800 PM CDT...

AT 727 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO..  THIS DANGEROUS
STORM WAS LOCATED 6 MILES SOUTH OF BELLE...OR 16 MILES SOUTHWEST OF
OWENSVILLE...AND MOVING EAST AT 10 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN MARIES
COUNTY.

THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZED HAIL AS WELL.

LAT...LON 3817 9183 3813 9172 3817 9165 3828 9166
      3827 9182

$$

SAW

000 
WWUS53 KSGF 220043
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
743 PM CDT THU APR 21 2005

MOC011-097-220130-
/O.CON.KSGF.TO.W.0009.000000T0000Z-050422T0130Z/
BARTON MO-JASPER MO-
743 PM CDT THU APR 21 2005

...A TORNADO WARNING CONTINUES FOR NORTHERN JASPER AND BARTON 
COUNTIES UNTIL 830 PM CDT...

AT 740 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO..  THIS DANGEROUS
STORM WAS LOCATED 7 MILES SOUTHEAST OF PITTSBURG...AND MOVING EAST AT
30 MPH.

THIS DANGEROUS STORM WILL BE...
  NEAR JASPER BY 815 PM CDT.
  5 MILES SOUTHWEST OF GOLDEN CITY BY 830 PM CDT.

THE TOWNS OF ASBURY...NASHVILLE...BOSTON AND DUDENVILLE ARE ALSO IN
THE PATH OF THIS TORNADO.

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 3747 9461 3727 9462 3728 9410 3754 9409

$$

IZZI

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 7:08 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	52 min
Apr 21, 2:59 AM CDT	Severe Thunderstorm Warning	SGF	Dent	61 min
Apr 21, 2:12 PM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	63 min
Apr 21, 4:15 PM CDT	Flash Flood Warning	SGF	Ozark, Taney	6 hr
Apr 21, 4:33 PM CDT	Severe Thunderstorm Warning	SGF	Douglas	57 min
Apr 21, 5:05 PM CDT	Severe Thunderstorm Warning	SGF	Wright	41 min
Apr 21, 5:08 PM CDT	Severe Thunderstorm Warning	SGF	Phelps	37 min
Apr 21, 5:36 PM CDT	Severe Thunderstorm Warning	SGF	Texas	54 min
Apr 21, 6:48 PM CDT	Severe Thunderstorm Warning	SGF	Maries	42 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.