Alert archive / Missouri / Tornado Warnings in 2012

Tornado Warning 18, NWS Springfield, MO

February 29, 2012Dent County, Phelps County, Missouri

NWS Springfield, MO issued this tornado warning at Feb 29, 2012, 1:06 AM CST for Dent County, Phelps County, Missouri. It was in force for 39 min. 2 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: Feb 29, 2012, 1:06 AM CST (07:06 UTC)
Expired: Feb 29, 2012, 1:45 AM CST
In force: 39 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon

Counties Dent County, MO, Phelps County, MO

The radar

The St Louis radar (KLSX), 125 km from the middle of the area, began a volume at 07:08 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
Feb 29, 1:06 AM CST	TORNADO	1 Nw Edgar Springs, MO	AN EF-1 RATED TORNADO WITH A MAXIMUM WIND SPEED OF 90 TO 95 MPH TRACKED 19 MILES FROM JUST NORTHWEST OF EDGAR SPRINGS TO THE NORTHEAST TO HIGHWAY 68 JUST NORTH OF HIGHWAY YY. THE TORNADO SEVERELY DAMAGED AND REMOVED THE ROOF OF A GAS STATION AND OF A HOME ALON
Feb 29, 1:23 AM CST	TSTM WND DMG	12 S St. James, MO	ROOF BLOWN OFF HOUSE AND LARGE TREES DOWN...POSSIBLE TORNADO...NEAR HWY 68 AND HWY YY

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
Feb 28, 10:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.1 hours before the alert went out and 231 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: 75 J/kg
Mixed-layer CIN: -196 J/kg
Mixed-layer LCL: 595 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: 482 m²/s²
0-3 km storm-relative helicity: 563 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

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

990 
WFUS53 KSGF 290706
TORSGF
MOC065-161-290745-
/O.NEW.KSGF.TO.W.0018.120229T0706Z-120229T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
106 AM CST WED FEB 29 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN DENT COUNTY IN SOUTH CENTRAL MISSOURI...
  SOUTHERN PHELPS COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 145 AM CST.

* AT 105 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR EDGAR SPRINGS...OR 18 MILES SOUTHWEST OF ROLLA...
  MOVING EAST AT 60 MPH. THIS STORM HAS A HISTORY OF PRODUCING
  TORNADOES.

* LOCATIONS IMPACTED INCLUDE ANUTT...BANGERT...BEULAH...BOSS...EDGAR
  SPRINGS...HOWES MILL...HOWES...LAKE SPRING...LECOMA...LENOX...
  SALEM...SLIGO AND STONE HILL.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW. IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

&&

LAT...LON 3759 9116 3761 9201 3784 9201 3794 9153
      3780 9152 3779 9131 3778 9130 3771 9130
      3771 9115 3770 9114 3759 9115
TIME...MOT...LOC 0706Z 267DEG 53KT 3772 9189
HAIL 1.25IN

$$

HATCH

1 follow-up statement

315 
WWUS53 KSGF 290727
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
127 AM CST WED FEB 29 2012

MOC065-161-290745-
/O.CON.KSGF.TO.W.0018.000000T0000Z-120229T0745Z/
DENT MO-PHELPS MO-
127 AM CST WED FEB 29 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM CST FOR
SOUTHEASTERN PHELPS AND NORTHERN DENT COUNTIES...

AT 123 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO 4 MILES WEST OF BANGERT...OR 9 MILES NORTH OF
SALEM...MOVING EAST AT 60 MPH. THIS STORM HAS A HISTORY OF PRODUCING
TORNADOES.

LOCATIONS IMPACTED INCLUDE ANUTT...BANGERT...BOSS...HOWES MILL...
HOWES...LAKE SPRING...LECOMA...LENOX...SALEM...SLIGO AND STONE HILL.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW. IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST WEDNESDAY MORNING
FOR SOUTHERN MISSOURI.

&&

LAT...LON 3761 9191 3791 9168 3794 9153 3780 9152
      3779 9131 3778 9130 3771 9130 3771 9115
      3770 9114 3759 9115
TIME...MOT...LOC 0728Z 262DEG 51KT 3778 9150
HAIL 1.25IN

$$

HATCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 10:21 PM CST	Severe Thunderstorm Warning	SGF	Barton, Jasper	54 min
Feb 28, 10:48 PM CST	Tornado Warning	SGF	Barton	27 min
Feb 28, 10:59 PM CST	Severe Thunderstorm Warning	SGF	Barton, Cedar, Dade, Jasper, Lawrence, Vernon	31 min
Feb 28, 11:07 PM CST	Tornado Warning	SGF	Barton, Dade	38 min
Feb 28, 11:18 PM CST	Tornado Warning	SGF	Barton, Cedar, Dade, Vernon	27 min
Feb 28, 11:29 PM CST	Tornado Warning	SGF	Dade, Greene, Polk	31 min
Feb 28, 11:33 PM CST	Severe Thunderstorm Warning	SGF	Jasper, Newton	42 min
Feb 28, 11:44 PM CST	Severe Thunderstorm Warning	SGF	Camden, Cedar, Dallas, Hickory, Polk, St. Clair	46 min
Feb 28, 11:54 PM CST	Tornado Warning	SGF	Dallas, Laclede, Polk, Webster	51 min
Feb 28, 11:58 PM CST	Severe Thunderstorm Warning	SGF	McDonald, Newton	32 min
Feb 29, 12:05 AM CST	Severe Thunderstorm Warning	SGF	Lawrence	25 min
Feb 29, 12:19 AM CST	Tornado Warning	SGF	Barry, McDonald	56 min
Feb 29, 12:21 AM CST	Severe Thunderstorm Warning	SGF	Greene	24 min
Feb 29, 12:31 AM CST	Tornado Warning	SGF	Laclede, Phelps, Pulaski	44 min
Feb 29, 12:33 AM CST	Special Weather Statement	SGF	Camden, Maries, Miller	27 min
Feb 29, 12:35 AM CST	Severe Thunderstorm Warning	SGF	Christian, Stone	40 min
Feb 29, 12:43 AM CST	Severe Thunderstorm Warning	SGF	Webster, Wright	47 min
Feb 29, 12:53 AM CST	Severe Thunderstorm Warning	SGF	Laclede, Texas, Wright	67 min
Feb 29, 12:58 AM CST	Tornado Warning	SGF	Stone, Taney	47 min
Feb 29, 1:02 AM CST	Severe Thunderstorm Warning	SGF	Douglas	58 min
Feb 29, 1:25 AM CST	Severe Thunderstorm Warning	SGF	Texas, Wright	65 min
Feb 29, 1:33 AM CST	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	57 min
Feb 29, 1:36 AM CST	Tornado Warning	SGF	Ozark	54 min
Feb 29, 1:43 AM CST	Severe Thunderstorm Warning	SGF	Dent	32 min
Feb 29, 1:51 AM CST	Tornado Warning	SGF	Douglas	39 min
Feb 29, 2:06 AM CST	Tornado Warning	SGF	Howell	39 min
Feb 29, 2:24 AM CST	Tornado Warning	SGF	Oregon, Shannon	43 min
Feb 29, 2:26 AM CST	Severe Thunderstorm Warning	SGF	Howell, Oregon, Ozark	64 min
Feb 29, 3:21 AM CST	Severe Thunderstorm Warning	SGF	Howell	17 min
Feb 29, 3:51 AM CST	Severe Thunderstorm Warning	SGF	Oregon	28 min
Feb 29, 4:33 AM CST	Red Flag Warning	SGF	Barton, Jasper, Newton, Vernon	13 hr
Feb 29, 3:43 PM CST	Fire Weather Watch	SGF	Barton, Jasper, McDonald, Newton, Vernon	12 hr

Nearby

Tornado Warnings in Missouri, 2012 Every tornado warning in 2012 Tornadoes in 2012

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.