Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 259, NWS Springfield, MO

September 6, 2012Stone County, Taney County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Sep 6, 2012, 4:20 PM CDT for Stone County, Taney County, Missouri. It was in force for 40 min. 5 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: Sep 6, 2012, 4:20 PM CDT (21:20 UTC)
Expired: Sep 6, 2012, 5:00 PM CDT
In force: 40 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Stone County, MO, Taney County, MO

The radar

The Springfield radar (KSGF), 57 km from the middle of the area, began a volume at 21:23 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
Sep 6, 4:36 PM CDT	TSTM WND DMG	Rockaway Beach, MO	POWER LINES WERE REPORTED TO BE BLOWN DOWN IN ROCKAWAY BEACH.
Sep 6, 4:40 PM CDT	TSTM WND DMG	Branson, MO	TREES AND LIMBS REPORTED DOWN SOUTHEAST OF THE U.S. 65/HWY 76 INTERSECTION...AS WELL AS JUST NORTH OF THE BRANSON LANDING.
Sep 6, 4:50 PM CDT	TSTM WND DMG	Branson, MO	TREE DOWN NEAR BRANSON LANDING AND SYCAMORE STREET.
Sep 6, 4:50 PM CDT	TSTM WND DMG	Merriam Woods, MO	TREE REPORTED ACROSS U.S. 160. REPORT FROM MODOT.
Sep 6, 5:00 PM CDT	TSTM WND DMG	3 N Taneyville, MO	NEW BARN DESTROYED NEAR ESSARY AND MIDDLETON ROADS

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
Sep 6, 12:28 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.3 hours before the alert went out and 53 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: 841 J/kg
Mixed-layer CIN: -167 J/kg
Mixed-layer LCL: 1845 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

826 
WUUS53 KSGF 062120
SVRSGF
MOC209-213-062200-
/O.NEW.KSGF.SV.W.0259.120906T2120Z-120906T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
420 PM CDT THU SEP 6 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL STONE COUNTY IN SOUTHWEST MISSOURI...
  NORTHWESTERN TANEY COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 500 PM CDT

* AT 418 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR INDIAN
  POINT...AND MOVING NORTHEAST AT 20 MPH.

  HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
           DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  BRANSON WEST...BRANSON...FORSYTH...INDIAN POINT...MERRIAM WOODS...
  REEDS SPRING...ROCKAWAY BEACH AND TANEYVILLE.

THIS WARNING ALSO INCLUDES TABLE ROCK LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3676 9341 3681 9330 3681 9286 3663 9301
      3664 9344
TIME...MOT...LOC 2120Z 215DEG 18KT 3661 9329

HAIL...1.00IN
WIND...60 MPH

$$

COLUCCI

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 6, 10:43 AM CDT	Special Weather Statement	SGF	Vernon	47 min
Sep 6, 11:21 AM CDT	Special Weather Statement	SGF	Barton, Cedar, St. Clair, Vernon	39 min
Sep 6, 11:45 AM CDT	Severe Thunderstorm Warning	SGF	Cedar, St. Clair	45 min
Sep 6, 12:14 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Hickory, Polk	61 min
Sep 6, 12:40 PM CDT	Special Weather Statement	SGF	Greene	35 min
Sep 6, 12:51 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Greene, Polk	39 min
Sep 6, 1:05 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Camden, Hickory, Morgan	40 min
Sep 6, 1:07 PM CDT	Severe Thunderstorm Warning	SGF	Dallas	23 min
Sep 6, 1:24 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Webster, Wright	51 min
Sep 6, 1:32 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller, Morgan	43 min
Sep 6, 1:57 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Laclede, Miller, Pulaski	48 min
Sep 6, 2:08 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller, Morgan, Phelps	67 min
Sep 6, 2:09 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Pulaski, Texas, Wright	51 min
Sep 6, 2:31 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Maries, Phelps, Pulaski	59 min
Sep 6, 2:49 PM CDT	Severe Thunderstorm Warning	SGF	Phelps, Texas	41 min
Sep 6, 3:11 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Phelps	13 min
Sep 6, 3:16 PM CDT	Severe Thunderstorm Warning	SGF	Dent	44 min
Sep 6, 3:30 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Phelps	15 min
Sep 6, 3:31 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	37 min
Sep 6, 3:57 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	33 min
Sep 6, 3:57 PM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	48 min
Sep 6, 4:46 PM CDT	Severe Thunderstorm Warning	SGF	Taney	44 min
Sep 6, 4:57 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Taney	34 min
Sep 6, 5:04 PM CDT	Special Weather Statement	SGF	McDonald	26 min
Sep 6, 6:00 PM CDT	Special Weather Statement	SGF	Barry	30 min
Sep 6, 6:06 PM CDT	Severe Thunderstorm Warning	SGF	Barry	24 min
Sep 6, 6:28 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence	16 min
Sep 6, 6:30 PM CDT	Special Weather Statement	SGF	Howell	45 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2012 Every severe thunderstorm warning 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.