Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 62, NWS Springfield, MO

June 18, 2011Maries County, Missouri

NWS Springfield, MO issued this tornado warning at Jun 18, 2011, 10:06 PM CDT for Maries County, Missouri. It was in force for 39 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: Jun 18, 2011, 10:06 PM CDT (03:06 UTC)
Expired: Jun 18, 2011, 10:45 PM CDT
In force: 39 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

County Maries County, MO

The radar

The St Louis radar (KLSX), 112 km from the middle of the area, began a volume at 03:07 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
Jun 18, 8:26 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.1 hours before the alert went out and 229 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: 4246 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1103 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 183 m²/s²
Significant tornado parameter: 3.1
Supercell composite: 15.1

Open this sounding in Storm Lab

The text

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

258 
WFUS53 KSGF 190306
TORSGF
MOC125-190345-
/O.NEW.KSGF.TO.W.0062.110619T0306Z-110619T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1006 PM CDT SAT JUN 18 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 1045 PM CDT.

* AT 1001 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 11 MILES NORTHWEST OF VIENNA...OR 22 MILES SOUTHWEST OF
  LINN...MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE BELLE AND VIENNA.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLF BALL SIZE...AND DESTRUCTIVE STRAIGHT LINE
WINDS IN EXCESS OF 70 MPH.

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 3823 9165 3822 9164 3816 9164 3815 9163
      3810 9163 3821 9217 3826 9220 3829 9219
      3830 9167
TIME...MOT...LOC 0306Z 255DEG 22KT 3826 9209
HAIL 1.75IN

$$

KARDELL

2 follow-up statements

574 
WWUS53 KSGF 190334
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1034 PM CDT SAT JUN 18 2011

MOC125-190345-
/O.CON.KSGF.TO.W.0062.000000T0000Z-110619T0345Z/
MARIES MO-
1034 PM CDT SAT JUN 18 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR
NORTHEASTERN MARIES COUNTY...

AT 1032 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO 13 MILES WEST OF BELLE...OR 16 MILES SOUTH OF
LINN...MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE BELLE.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLF BALL SIZE...AND DESTRUCTIVE STRAIGHT LINE
WINDS IN EXCESS OF 70 MPH.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT SUNDAY
MORNING FOR SOUTHERN MISSOURI.

&&

LAT...LON 3823 9165 3822 9164 3816 9164 3815 9163
      3823 9205 3829 9206 3830 9167
TIME...MOT...LOC 0334Z 273DEG 19KT 3826 9194
HAIL 1.75IN

$$

KARDELL

059 
WWUS53 KSGF 190342
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1042 PM CDT SAT JUN 18 2011

MOC125-190352-
/O.EXP.KSGF.TO.W.0062.000000T0000Z-110619T0345Z/
MARIES MO-
1042 PM CDT SAT JUN 18 2011

...THE TORNADO WARNING FOR NORTHEASTERN MARIES COUNTY WILL EXPIRE AT
1045 PM CDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE STORM THAT
PROMPTED THE WARNING HAD WEAKENED...THUS THE WARNING HAS BEEN ALLOWED
TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT SUNDAY
MORNING FOR SOUTHERN MISSOURI.

LAT...LON 3823 9165 3822 9164 3816 9164 3815 9163
      3823 9205 3829 9206 3830 9167
TIME...MOT...LOC 0342Z 273DEG 19KT 3826 9189

$$

KARDELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:50 PM CDT	Special Weather Statement	SGF	Camden, Miller	40 min
Jun 18, 8:04 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller, Morgan	41 min
Jun 18, 8:18 PM CDT	Special Weather Statement	SGF	Benton	27 min
Jun 18, 8:36 PM CDT	Severe Thunderstorm Warning	SGF	Benton	54 min
Jun 18, 8:44 PM CDT	Severe Thunderstorm Warning	SGF	Miller	46 min
Jun 18, 9:07 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller	38 min
Jun 18, 9:28 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Morgan	18 min
Jun 18, 9:34 PM CDT	Special Weather Statement	SGF	Miller	26 min
Jun 18, 9:43 PM CDT	Severe Thunderstorm Warning	SGF	Miller	32 min
Jun 18, 9:45 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller	30 min
Jun 18, 10:14 PM CDT	Severe Thunderstorm Warning	SGF	Miller	26 min
Jun 18, 10:23 PM CDT	Flash Flood Warning	SGF	Miller	9 hr
Jun 18, 10:39 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	66 min
Jun 18, 11:08 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Lawrence	67 min
Jun 18, 11:19 PM CDT	Special Weather Statement	SGF	Christian, Greene, Polk	26 min
Jun 18, 11:26 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper, Vernon	49 min
Jun 18, 11:27 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Dallas, Greene, Polk	63 min
Jun 18, 11:30 PM CDT	Tornado Warning	SGF	Dade, Greene, Lawrence, Polk	45 min
Jun 18, 11:34 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller, Pulaski	41 min
Jun 18, 11:38 PM CDT	Severe Thunderstorm Warning	SGF	Barton	52 min
Jun 18, 11:59 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Polk, Webster	61 min
Jun 19, 12:07 AM CDT	Tornado Warning	SGF	Dallas, Greene, Laclede, Polk, Webster	38 min
Jun 19, 12:10 AM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller	14 min
Jun 19, 12:13 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Cedar, Dade, Jasper, Lawrence	14 min
Jun 19, 12:19 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper, Vernon	56 min
Jun 19, 12:21 AM CDT	Special Weather Statement	SGF	Phelps	39 min
Jun 19, 12:36 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas, Laclede, Pulaski, Wright	54 min
Jun 19, 12:55 AM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade, Greene, Polk	35 min
Jun 19, 12:59 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Maries, Miller, Phelps, Pulaski, Texas	76 min
Jun 19, 1:03 AM CDT	Flash Flood Warning	SGF	Barton, Cedar, Dade, Jasper	6 hr
Jun 19, 1:44 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon	61 min
Jun 19, 2:45 AM CDT	Special Weather Statement	SGF	Shannon	30 min
Jun 19, 2:46 AM CDT	Flash Flood Warning	SGF	Maries, Phelps, Pulaski	4 hr
Jun 19, 3:17 AM CDT	Special Weather Statement	SGF	Dallas	28 min
Jun 19, 4:52 AM CDT	Special Weather Statement	SGF	Douglas	38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.