Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 191, NWS Springfield, MO

August 4, 20124 counties in Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Aug 4, 2012, 7:45 PM CDT for 4 counties in Missouri. It was in force for 45 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: Aug 4, 2012, 7:45 PM CDT (00:45 UTC)
Expired: Aug 4, 2012, 8:30 PM CDT
In force: 45 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Cedar County, MO, Dade County, MO, Greene County, MO, Polk County, MO

The radar

The Springfield radar (KSGF), 33 km from the middle of the area, began a volume at 00:48 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
Aug 4, 7:58 PM CDT	TSTM WND GST 60	5 N Pleasant Hope, MO
Aug 4, 8:01 PM CDT	TSTM WND GST 60	5 N Pleasant Hope, MO	PUBLIC REPORTS 60 MPH WIND GUSTS AND TREES DOWN
Aug 4, 8:30 PM CDT	TSTM WND DMG	Pleasant Hope, MO	FEW TREES DOWN ALONG HIGHWAY H.

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
Aug 4, 6:12 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.8 hours before the alert went out and 77 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: 1173 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 2913 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 40 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.

153 
WUUS53 KSGF 050045 RRA
SVRSGF
MOC039-057-077-167-050130-
/O.NEW.KSGF.SV.W.0191.120805T0045Z-120805T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
745 PM CDT SAT AUG 4 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CEDAR COUNTY IN SOUTHWEST MISSOURI...
  EASTERN DADE COUNTY IN SOUTHWEST MISSOURI...
  NORTHWESTERN GREENE COUNTY IN SOUTHWEST MISSOURI...
  SOUTHERN POLK COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 830 PM CDT

* AT 743 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WALNUT
  GROVE...AND MOVING EAST AT 45 MPH.

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

  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...
  ALDRICH...BOLIVAR...BONA...BRIGHTON...CANE HILL...DADEVILLE...
  EUDORA...FAIR PLAY...HALF WAY...MASTERS...MORRISVILLE...PLEASANT
  HOPE...SACVILLE...UMBER VIEW HEIGHTS AND WALNUT GROVE.

THIS WARNING ALSO INCLUDES STOCKTON LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3765 9320 3739 9319 3734 9377 3764 9385
TIME...MOT...LOC 0046Z 282DEG 40KT 3745 9357

HAIL...0.88IN
WIND...60 MPH

$$

GRIFFIN

2 follow-up statements

529 
WWUS53 KSGF 050111
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
811 PM CDT SAT AUG 4 2012

MOC039-057-077-167-050130-
/O.CON.KSGF.SV.W.0191.000000T0000Z-120805T0130Z/
CEDAR MO-GREENE MO-POLK MO-DADE MO-
811 PM CDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
DADE...SOUTHERN POLK...NORTHWESTERN GREENE AND SOUTHEASTERN CEDAR
COUNTIES UNTIL 830 PM CDT...

AT 806 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PLEASANT
HOPE...AND MOVING EAST AT 40 MPH.

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

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...
ALDRICH...BOLIVAR...BONA...BRIGHTON...CANE HILL...DADEVILLE...
EUDORA...FAIR PLAY...HALF WAY...MASTERS...MORRISVILLE...PLEASANT
HOPE...SACVILLE...UMBER VIEW HEIGHTS AND WALNUT GROVE.

THIS WARNING ALSO INCLUDES STOCKTON LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3765 9320 3739 9319 3734 9377 3764 9385
TIME...MOT...LOC 0111Z 282DEG 40KT 3739 9323

HAIL...0.88IN
WIND...60 MPH

$$

GRIFFIN

071 
WWUS53 KSGF 050122
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
822 PM CDT SAT AUG 4 2012

MOC039-057-077-167-050131-
/O.EXP.KSGF.SV.W.0191.000000T0000Z-120805T0130Z/
CEDAR MO-GREENE MO-POLK MO-DADE MO-
822 PM CDT SAT AUG 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN DADE...SOUTHERN
POLK...NORTHWESTERN GREENE AND SOUTHEASTERN CEDAR COUNTIES WILL
EXPIRE AT 830 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA BUT WARNINGS STILL IN EFFECT FOR PORTIONS OF THE SPRINGFIELD 
METRO AREA FURTHER SOUTH AND EAST.

LAT...LON 3765 9320 3739 9319 3734 9377 3764 9385
TIME...MOT...LOC 0121Z 282DEG 40KT 3736 9309

$$

GRIFFIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 7:10 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Phelps	17 min
Aug 4, 7:11 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Cedar, Dade, Greene, Polk	49 min
Aug 4, 7:17 PM CDT	Severe Thunderstorm Warning	SGF	Phelps	28 min
Aug 4, 7:22 PM CDT	Special Weather Statement	SGF	Christian	23 min
Aug 4, 7:25 PM CDT	Special Weather Statement	SGF	Texas	35 min
Aug 4, 7:42 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Greene, Lawrence, Polk	5 min
Aug 4, 7:45 PM CDT	Severe Thunderstorm Warning	SGF	Texas	45 min
Aug 4, 7:51 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Greene, Lawrence	39 min
Aug 4, 7:53 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	52 min
Aug 4, 7:53 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Jasper, Lawrence	52 min
Aug 4, 8:03 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Lawrence, Newton	42 min
Aug 4, 8:12 PM CDT	Severe Thunderstorm Warning	SGF	Texas	33 min
Aug 4, 8:18 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Greene, Laclede, Polk, Webster	42 min
Aug 4, 8:27 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Dade, Greene, Lawrence, Stone	22 min
Aug 4, 8:33 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Ozark	25 min
Aug 4, 8:38 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Shannon, Texas	36 min
Aug 4, 8:43 PM CDT	Severe Thunderstorm Warning	SGF	Wright	47 min
Aug 4, 8:45 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Phelps	21 min
Aug 4, 8:51 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Christian, Lawrence, Stone, Taney	39 min
Aug 4, 9:04 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas	56 min
Aug 4, 10:30 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	34 min
Aug 4, 11:35 PM CDT	Severe Thunderstorm Warning	SGF	Pulaski	14 min
Aug 5, 12:09 AM CDT	Severe Thunderstorm Warning	SGF	Greene	29 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.