Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 262, NWS Springfield, MO

September 6, 2012Barry County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Sep 6, 2012, 6:06 PM CDT for Barry County, Missouri. It was in force for 24 min. 3 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, 6:06 PM CDT (23:06 UTC)
Expired: Sep 6, 2012, 6:30 PM CDT
In force: 24 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Barry County, MO

The radar

The Springfield radar (KSGF), 61 km from the middle of the area, began a volume at 23:08 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
Sep 6, 6:07 PM CDT	TSTM WND DMG	4 W Purdy, MO	ONE HUNDRED FEET OF ALUMINUM ROOFING WAS BLOWN OFF OF A LARGE METAL CHICKEN HOUSE.
Sep 6, 6:15 PM CDT	TSTM WND GST 48	Monett, MO
Sep 6, 6:21 PM CDT	TSTM WND GST 60	4 S Monett, MO

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, 11.1 hours before the alert went out and 9 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.

839 
WUUS53 KSGF 062306
SVRSGF
MOC009-062330-
/O.NEW.KSGF.SV.W.0262.120906T2306Z-120906T2330Z/

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

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BARRY COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 630 PM CDT

* AT 603 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PURDY...AND
  MOVING NORTHEAST AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
           BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  BUTTERFIELD...MADRY...MCDOWELL...MONETT...PIONEER...PLEASANT
  RIDGE...PURDY AND WHEATON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3670 9397 3676 9407 3693 9406 3693 9367
      3692 9361 3685 9361
TIME...MOT...LOC 2306Z 229DEG 23KT 3680 9396

HAIL...<.75IN
WIND...60 MPH

$$

WISE

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, 4:20 PM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	40 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, 6:28 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.