Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 12, NWS Springfield, MO

April 14, 2011McDonald County, Newton County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 14, 2011, 8:16 PM CDT for McDonald County, Newton County, Missouri. It was in force for 44 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: Apr 14, 2011, 8:16 PM CDT (01:16 UTC)
Expired: Apr 14, 2011, 9:00 PM CDT
In force: 44 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

Counties McDonald County, MO, Newton County, MO

The radar

The Tulsa radar (KINX), 105 km from the middle of the area, began a volume at 01:18 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
Apr 14, 8:41 PM CDT	HAIL 1	4 W Anderson, MO
Apr 14, 8:58 PM CDT	HAIL 1.5	Goodman, MO
Apr 14, 9:02 PM CDT	HAIL 1	1 N Anderson, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.3 hours before the alert went out and 73 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: 2194 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 249 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

469 
WFUS53 KSGF 150116
TORSGF
MOC119-145-150200-
/O.NEW.KSGF.TO.W.0012.110415T0116Z-110415T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
816 PM CDT THU APR 14 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  MCDONALD COUNTY IN SOUTHWEST MISSOURI...
  SOUTH CENTRAL NEWTON COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 900 PM CDT.

* AT 812 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 4 MILES SOUTHWEST OF SOUTH WEST CITY...OR 8 MILES NORTHEAST
  OF JAY...MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE ANDERSON...GOODMAN...LANAGAN...NOEL...
  PINEVILLE...POWELL AND SOUTH WEST CITY.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLF BALL SIZE.

A SEVERE THUNDERSTORM WARNING ALSO REMAINS IN EFFECT UNTIL 915 PM 
FOR MCDONALD COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3649 9458 3649 9461 3650 9462 3662 9463
      3684 9431 3659 9411 3648 9444 3648 9457
TIME...MOT...LOC 0115Z 234DEG 36KT 3651 9464
HAIL 1.75IN

$$

HATCH

2 follow-up statements

497 
WWUS53 KSGF 150136
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
836 PM CDT THU APR 14 2011

MOC119-145-150200-
/O.CON.KSGF.TO.W.0012.000000T0000Z-110415T0200Z/
NEWTON MO-MCDONALD MO-
836 PM CDT THU APR 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR MCDONALD
AND SOUTH CENTRAL NEWTON COUNTIES...

...A SEVERE THUNDERSTORM WARNING ALSO REMAINS IN EFFECT UNTIL 915 PM 
FOR MCDONALD COUNTY...

AT 832 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO 4 MILES WEST OF NOEL...OR 10 MILES WEST OF
PINEVILLE...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE ANDERSON...GOODMAN...LANAGAN...NOEL...
PINEVILLE...POWELL AND SOUTH WEST CITY.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLF BALL SIZE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

&&

LAT...LON 3649 9458 3649 9461 3650 9462 3662 9463
      3684 9431 3659 9411 3648 9444 3648 9457
TIME...MOT...LOC 0136Z 233DEG 25KT 3658 9453
HAIL 1.75IN

$$

HATCH

079 
WWUS53 KSGF 150149
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
849 PM CDT THU APR 14 2011

MOC119-145-150200-
/O.CON.KSGF.TO.W.0012.000000T0000Z-110415T0200Z/
NEWTON MO-MCDONALD MO-
849 PM CDT THU APR 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR CENTRAL
MCDONALD AND SOUTH CENTRAL NEWTON COUNTIES...

...A SEVERE THUNDERSTORM WARNING ALSO REMAINS IN EFFECT UNTIL 915 PM 
FOR MCDONALD...

AT 846 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO NEAR LANAGAN...OR 5 MILES NORTHWEST OF
PINEVILLE...MOVING NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE ANDERSON...GOODMAN...LANAGAN...PINEVILLE
AND POWELL.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLF BALL SIZE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

&&

LAT...LON 3652 9446 3666 9457 3684 9431 3659 9411
TIME...MOT...LOC 0149Z 233DEG 25KT 3663 9444
HAIL 1.75IN

$$

HATCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 8:08 PM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	67 min
Apr 14, 8:13 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	16 min
Apr 14, 8:54 PM CDT	Tornado Warning	SGF	McDonald, Newton	51 min
Apr 14, 8:56 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	49 min
Apr 14, 9:24 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Dade, Jasper, Lawrence	32 min
Apr 15, 2:18 AM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark	57 min

Nearby

Tornado Warnings in Missouri, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.