Alert archive / Missouri / Tornado Warnings in 2012

Tornado Warning 29, NWS Springfield, MO

December 19, 2012Barry County, Missouri

NWS Springfield, MO issued this tornado warning at Dec 19, 2012, 9:06 PM CST for Barry 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
Dec 19, 2012, 9:06 PM CST (03:06 UTC)
Expired
Dec 19, 2012, 9:45 PM CST
In force
39 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Barry County, MO

The radar

The Springfield radar (KSGF), 70 km from the middle of the area, began a volume at 03:09 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.

IssuedProductOfficeLasted
Dec 19, 7:36 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.1 hours before the alert went out and 24 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2012-12-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2012-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 442 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
78 J/kg
Mixed-layer CIN
-223 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
88 kt
0-1 km storm-relative helicity
442 m²/s²
0-3 km storm-relative helicity
455 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

900 
WFUS53 KSGF 200306
TORSGF
MOC009-200345-
/O.NEW.KSGF.TO.W.0029.121220T0306Z-121220T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
906 PM CST WED DEC 19 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  BARRY COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 945 PM CST

* AT 904 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR WASHBURN...AND MOVING NORTHEAST AT 40 MPH.

  HAZARD...DEVELOPING TORNADO AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...SIGNIFICANT HOUSE AND BUILDING DAMAGE POSSIBLE. MOBILE
           HOMES COMPLETELY DESTROYED IF HIT. SOME TREES UPROOTED OR
           SNAPPED. VEHICLES WILL LIKELY BE THROWN BY TORNADIC WINDS.

* LOCATIONS IMPACTED INCLUDE...
  CASSVILLE...JENKINS...SELIGMAN...SHELL KNOB...WASHBURN...WAYNE AND
  WHEELERVILLE.

THIS WARNING ALSO INCLUDES ROARING RIVER STATE PARK AND TABLE ROCK
LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3658 9405 3690 9362 3682 9361 3682 9357
      3662 9358 3650 9399
TIME...MOT...LOC 0306Z 235DEG 35KT 3655 9398

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

SCHAUMANN
3 follow-up statements
218 
WWUS53 KSGF 200321
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
921 PM CST WED DEC 19 2012

MOC009-200345-
/O.CON.KSGF.TO.W.0029.000000T0000Z-121220T0345Z/
BARRY MO-
921 PM CST WED DEC 19 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL BARRY COUNTY UNTIL
945 PM CST...

AT 920 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CASSVILLE...AND MOVING NORTHEAST AT 45 MPH.

HAZARD...DEVELOPING TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...SIGNIFICANT HOUSE AND BUILDING DAMAGE POSSIBLE. MOBILE HOMES
         COMPLETELY DESTROYED IF HIT. SOME TREES UPROOTED OR SNAPPED.
         VEHICLES WILL LIKELY BE THROWN BY TORNADIC WINDS.

LOCATIONS IMPACTED INCLUDE...
CASSVILLE...JENKINS...SHELL KNOB AND WHEELERVILLE.

THIS WARNING ALSO INCLUDES ROARING RIVER STATE PARK AND TABLE ROCK
LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3662 9394 3687 9362 3685 9361 3682 9361
      3682 9357 3664 9358 3655 9390
TIME...MOT...LOC 0321Z 241DEG 38KT 3663 9381

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

SCHAUMANN
058 
WWUS53 KSGF 200334
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
934 PM CST WED DEC 19 2012

MOC009-200345-
/O.CON.KSGF.TO.W.0029.000000T0000Z-121220T0345Z/
BARRY MO-
934 PM CST WED DEC 19 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL BARRY COUNTY
UNTIL 945 PM CST...

AT 929 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED 7 MILES SOUTH OF JENKINS...AND MOVING NORTHEAST AT 45 MPH.

HAZARD...DEVELOPING TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...SIGNIFICANT HOUSE AND BUILDING DAMAGE POSSIBLE. MOBILE HOMES
         COMPLETELY DESTROYED IF HIT. SOME TREES UPROOTED OR SNAPPED.
         VEHICLES WILL LIKELY BE THROWN BY TORNADIC WINDS.

LOCATIONS IMPACTED INCLUDE...
JENKINS AND WHEELERVILLE.

THIS WARNING ALSO INCLUDES ROARING RIVER STATE PARK AND TABLE ROCK
LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

&&

LAT...LON 3669 9383 3687 9362 3685 9361 3682 9361
      3682 9357 3668 9358 3662 9379
TIME...MOT...LOC 0333Z 235DEG 37KT 3671 9370

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

SCHAUMANN
161 
WWUS53 KSGF 200345
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
945 PM CST WED DEC 19 2012

MOC009-200355-
/O.EXP.KSGF.TO.W.0029.000000T0000Z-121220T0345Z/
BARRY MO-
945 PM CST WED DEC 19 2012

...THE TORNADO WARNING FOR EAST CENTRAL BARRY COUNTY HAS EXPIRED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT 
FOR NORTHEASTERN BARRY COUNTY UNTIL 1030 PM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST THURSDAY MORNING
FOR SOUTHEAST KANSAS AND SOUTHWEST MISSOURI.

LAT...LON 3669 9383 3687 9362 3685 9361 3682 9361
      3682 9357 3668 9358 3662 9379
TIME...MOT...LOC 0345Z 235DEG 37KT 3678 9357

$$

SCHAUMANN

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 19, 9:03 PM CSTSevere Thunderstorm WarningSGFBarry42 min
Dec 19, 9:43 PM CSTSevere Thunderstorm WarningSGFBarry, Stone35 min
Dec 19, 9:53 PM CSTWinter Weather AdvisorySGFBenton, Cedar, Hickory, Morgan, St. Clair, Vernon16 hr
Dec 19, 10:07 PM CSTSevere Thunderstorm WarningSGFChristian53 min

Nearby

Tornado Warnings in Missouri, 2012Every tornado warning in 2012Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.