Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 150, NWS Springfield, MO

July 7, 2012Barry County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 7, 2012, 3:50 PM CDT for Barry County, Missouri. It was in force for 25 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: Jul 7, 2012, 3:50 PM CDT (20:50 UTC)
Expired: Jul 7, 2012, 4:15 PM CDT
In force: 25 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), 85 km from the middle of the area, began a volume at 20:52 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
Jul 7, 4:05 PM CDT	TSTM WND DMG	Seligman, MO	POWERLINES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.8 hours before the alert went out and 35 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: 1058 J/kg
Mixed-layer CIN: -152 J/kg
Mixed-layer LCL: 2009 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

321 
WUUS53 KSGF 072050
SVRSGF
MOC009-072115-
/O.NEW.KSGF.SV.W.0150.120707T2050Z-120707T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
350 PM CDT SAT JUL 7 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 415 PM CDT

* AT 348 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTHEAST
  OF SELIGMAN...AND MOVING WEST AT 20 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...
  SELIGMAN...EXETER...WASHBURN...WHEATON...BUTTERFIELD...WAYNE AND
  RIDGLEY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3649 9407 3657 9408 3679 9406 3678 9369
      3649 9367
TIME...MOT...LOC 2050Z 090DEG 18KT 3658 9386

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

$$

WISE

2 follow-up statements

373 
WWUS53 KSGF 072100
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
400 PM CDT SAT JUL 7 2012

MOC009-072115-
/O.CON.KSGF.SV.W.0150.000000T0000Z-120707T2115Z/
BARRY MO-
400 PM CDT SAT JUL 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN BARRY
COUNTY UNTIL 415 PM CDT...

AT 356 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES NORTHEAST
OF SELIGMAN...AND MOVING WEST AT 20 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...
SELIGMAN...EXETER...WASHBURN...WAYNE AND RIDGLEY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3649 9407 3659 9408 3675 9406 3674 9369
      3649 9367
TIME...MOT...LOC 2100Z 095DEG 16KT 3656 9388

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

$$

WISE

410 
WWUS53 KSGF 072114
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
414 PM CDT SAT JUL 7 2012

MOC009-072125-
/O.EXP.KSGF.SV.W.0150.000000T0000Z-120707T2115Z/
BARRY MO-
414 PM CDT SAT JUL 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BARRY COUNTY HAS
EXPIRED...

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

LAT...LON 3649 9407 3659 9408 3675 9406 3674 9369
      3649 9367
TIME...MOT...LOC 2115Z 095DEG 16KT 3657 9396

$$

WISE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 1:37 PM CDT	Severe Thunderstorm Warning	SGF	Webster	23 min
Jul 7, 1:40 PM CDT	Severe Thunderstorm Warning	SGF	Webster	30 min
Jul 7, 1:44 PM CDT	Special Weather Statement	SGF	Christian	31 min
Jul 7, 1:54 PM CDT	Special Weather Statement	SGF	Christian	36 min
Jul 7, 2:00 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene	30 min
Jul 7, 2:09 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene	51 min
Jul 7, 2:20 PM CDT	Special Weather Statement	SGF	Stone	25 min
Jul 7, 2:21 PM CDT	Special Weather Statement	SGF	Maries	24 min
Jul 7, 2:24 PM CDT	Severe Thunderstorm Warning	SGF	Greene	51 min
Jul 7, 2:50 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence, Stone	40 min
Jul 7, 3:05 PM CDT	Special Weather Statement	SGF	Morgan	25 min
Jul 7, 3:12 PM CDT	Severe Thunderstorm Warning	SGF	Morgan	27 min
Jul 7, 3:32 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Polk	43 min
Jul 7, 3:40 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Morgan	35 min
Jul 7, 4:39 PM CDT	Severe Thunderstorm Warning	SGF	St. Clair	36 min
Jul 7, 5:17 PM CDT	Special Weather Statement	SGF	Barton	28 min
Jul 7, 5:23 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Ozark	52 min
Jul 7, 5:29 PM CDT	Severe Thunderstorm Warning	SGF	Barton	31 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.