Alert archive / Missouri / Tornado Warnings in 2012

Tornado Warning 27, NWS Springfield, MO

October 13, 2012Lawrence County, Missouri

NWS Springfield, MO issued this tornado warning at Oct 13, 2012, 8:19 PM CDT for Lawrence County, Missouri. It was in force for 26 min. 1 report 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: Oct 13, 2012, 8:19 PM CDT (01:19 UTC)
Expired: Oct 13, 2012, 8:45 PM CDT
In force: 26 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Lawrence County, MO

The radar

The Springfield radar (KSGF), 35 km from the middle of the area, began a volume at 01:21 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
Oct 13, 8:20 PM CDT	TSTM WND GST 70	4 Nnw Mount Vernon, MO	TRAINED WEATHER SPOTTER WITH THE VOLUNTEER FIRE DEPT ESTIMATED WINDS UP TO 70 MPH. REPORTED LOTS OF SMALL LIMBS DOWN AND LEAF DEBRIS.

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
Oct 13, 5:57 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.3 hours before the alert went out and 33 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: 135 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 729 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 347 m²/s²
0-3 km storm-relative helicity: 420 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.5

Open this sounding in Storm Lab

The text

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

791 
WFUS53 KSGF 140119
TORSGF
MOC109-140145-
/O.NEW.KSGF.TO.W.0027.121014T0119Z-121014T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
819 PM CDT SAT OCT 13 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN LAWRENCE COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 845 PM CDT

* AT 817 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR MILLER...AND MOVING NORTHEAST AT 45 MPH.

  HAZARD...DEVELOPING TORNADO.

  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...
  MILLER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A BUILDING.

&&

LAT...LON 3711 9387 3717 9392 3729 9385 3728 9361
      3723 9361
TIME...MOT...LOC 0119Z 228DEG 40KT 3717 9386

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

WISE

2 follow-up statements

601 
WWUS53 KSGF 140124
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
824 PM CDT SAT OCT 13 2012

MOC109-140145-
/O.CON.KSGF.TO.W.0027.000000T0000Z-121014T0145Z/
LAWRENCE MO-
824 PM CDT SAT OCT 13 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN LAWRENCE
COUNTY UNTIL 845 PM CDT...

AT 821 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MILLER...AND MOVING NORTHEAST AT 45 MPH.

HAZARD...DEVELOPING TORNADO.

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...
MILLER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SUNDAY MORNING
FOR SOUTHEAST KANSAS AND SOUTHWEST MISSOURI.

LAT...LON 3713 9383 3720 9389 3729 9385 3728 9362
      3727 9361 3723 9361
TIME...MOT...LOC 0124Z 228DEG 40KT 3721 9381

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

WISE

933 
WWUS53 KSGF 140139
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
839 PM CDT SAT OCT 13 2012

MOC109-140150-
/O.EXP.KSGF.TO.W.0027.000000T0000Z-121014T0145Z/
LAWRENCE MO-
839 PM CDT SAT OCT 13 2012

...THE TORNADO WARNING FOR NORTHEASTERN LAWRENCE COUNTY WILL EXPIRE
AT 845 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SUNDAY MORNING
FOR SOUTHEAST KANSAS AND SOUTHWEST MISSOURI.

LAT...LON 3713 9383 3720 9389 3729 9385 3728 9362
      3727 9361 3723 9361
TIME...MOT...LOC 0140Z 228DEG 40KT 3733 9364

$$

WISE

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 7:05 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	55 min
Oct 13, 7:08 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	52 min
Oct 13, 7:52 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade	53 min
Oct 13, 7:55 PM CDT	Special Weather Statement	SGF	Lawrence	50 min
Oct 13, 8:12 PM CDT	Severe Thunderstorm Warning	SGF	Lawrence	33 min
Oct 13, 8:27 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Dade, Greene, Polk	48 min
Oct 13, 8:38 PM CDT	Special Weather Statement	SGF	Polk	37 min
Oct 13, 8:43 PM CDT	Tornado Warning	SGF	Greene	32 min
Oct 13, 9:03 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Webster	42 min
Oct 13, 9:10 PM CDT	Special Weather Statement	SGF	Camden, Dallas, Laclede	65 min
Oct 13, 9:24 PM CDT	Areal Flood Advisory	SGF	McDonald, Newton	5 hr
Oct 13, 9:39 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Wright	25 min
Oct 13, 9:53 PM CDT	Special Weather Statement	SGF	Jasper	52 min
Oct 13, 9:55 PM CDT	Severe Thunderstorm Warning	SGF	Barry	33 min
Oct 13, 10:16 PM CDT	Flash Flood Warning	SGF	Greene	6 hr
Oct 13, 10:16 PM CDT	Severe Thunderstorm Warning	SGF	Stone	29 min
Oct 13, 10:41 PM CDT	Flash Flood Warning	SGF	Webster	5 hr
Oct 13, 11:18 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark, Taney	57 min
Oct 14, 3:56 AM CDT	Areal Flood Warning	SGF	Greene, Webster	9 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.