Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 243, NWS Springfield, MO

September 6, 2012Dallas County, Greene County, Polk County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Sep 6, 2012, 12:51 PM CDT for Dallas County, Greene County, Polk County, Missouri. It was in force for 39 min. 6 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, 12:51 PM CDT (17:51 UTC)
Expired
Sep 6, 2012, 1:30 PM CDT
In force
39 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Dallas County, MO, Greene County, MO, Polk County, MO

What was reported inside it

TimeReportWhereRemark
Sep 6, 1:09 PM CDTTSTM WND GST 603 Ssw Pleasant Hope, MOAMATEUR RADIO REPORTED 60 MPH WINDS AT THE INTERSECTION OF HWY 13 AND 215.
Sep 6, 1:09 PM CDTHAIL 0.883 Ssw Pleasant Hope, MONICKEL HAIL REPORTED AT THE INTERSECTION OF HWY 13 AND 215.
Sep 6, 1:12 PM CDTTSTM WND GST 65Pleasant Hope, MO
Sep 6, 1:18 PM CDTHAIL 0.751 W Olive, MO
Sep 6, 1:29 PM CDTHAIL 0.75Olive, MO
Sep 6, 1:37 PM CDTHAIL 0.751 W Olive, 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.

IssuedProductOfficeLasted
Sep 6, 12:28 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.9 hours before the alert went out and 73 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-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2012-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 841 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2012-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

711 
WUUS53 KSGF 061751
SVRSGF
MOC059-077-167-061830-
/O.NEW.KSGF.SV.W.0243.120906T1751Z-120906T1830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1251 PM CDT THU SEP 6 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN DALLAS COUNTY IN SOUTHWEST MISSOURI...
  NORTHERN GREENE COUNTY IN SOUTHWEST MISSOURI...
  SOUTHEASTERN POLK COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 130 PM CDT

* AT 1246 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
  LINE EXTENDING FROM 5 MILES NORTHEAST OF MORRISVILLE TO 6 MILES
  SOUTH OF MORRISVILLE TO 6 MILES WEST OF WILLARD...AND MOVING EAST
  AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...PUBLIC.  TREES HAVE BEEN REPORTED DOWN RECENTLY IN POLK   
  COUNTY. DOPPLER RADAR IN SPRINGFIELD IS INDICATING STRONG WINDS    
  NEAR THE SURFACE IN NORTHERN GREENE COUNTY AND SOUTHERN POLK       
  COUNTY AS WELL. 

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

* LOCATIONS IMPACTED INCLUDE...
  FAIR GROVE...MORRISVILLE...NORTHERN SPRINGFIELD...PLEASANT HOPE...
  STRAFFORD AND WILLARD.

INTERSTATE 44 BETWEEN MILE MARKERS 74 AND 90 WILL ALSO BE IMPACTED BY
SEVERE THUNDERSTORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3729 9356 3734 9347 3754 9341 3752 9300
      3748 9301 3748 9307 3727 9308 3727 9306
      3722 9306
TIME...MOT...LOC 1751Z 270DEG 22KT 3754 9334 3739 9336
          3731 9350

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

$$

BOXELL
3 follow-up statements
754 
WWUS53 KSGF 061757
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1257 PM CDT THU SEP 6 2012

MOC059-077-167-061830-
/O.CON.KSGF.SV.W.0243.000000T0000Z-120906T1830Z/
GREENE MO-POLK MO-DALLAS MO-
1257 PM CDT THU SEP 6 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
DALLAS...SOUTHEASTERN POLK AND NORTHERN GREENE COUNTIES UNTIL 130 PM
CDT...

AT 1255 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 6 MILES NORTH OF PLEASANT HOPE TO 6 MILES
SOUTHWEST OF PLEASANT HOPE TO WILLARD...AND MOVING EAST AT 25 MPH.

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

SOURCE...PUBLIC.  DAMAGE HAS BEEN REPORTED TO A HOME IN THE 
MORRISVILLE AREA.  TREES HAVE ALSO BEEN REPORTED DOWN ACROSS POLK 
COUNTY. 

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

LOCATIONS IMPACTED INCLUDE...
BASSVILLE...BRIGHTON...CAVE SPRINGS...CHARITY...EBENEZER...FAIR
GROVE...GLIDEWELL...MARCH...MORRISVILLE...NORTHERN SPRINGFIELD...
OLIVE...PLEASANT HOPE...SACVILLE...STRAFFORD AND WILLARD.

INTERSTATE 44 BETWEEN MILE MARKERS 74 AND 90 WILL ALSO BE IMPACTED BY
SEVERE THUNDERSTORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3729 9356 3734 9347 3754 9341 3752 9300
      3748 9301 3748 9307 3727 9308 3727 9306
      3722 9306
TIME...MOT...LOC 1757Z 270DEG 22KT 3754 9329 3739 9331
          3731 9345

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

$$

BOXELL
265 
WWUS53 KSGF 061813
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
113 PM CDT THU SEP 6 2012

MOC059-077-167-061830-
/O.CON.KSGF.SV.W.0243.000000T0000Z-120906T1830Z/
GREENE MO-POLK MO-DALLAS MO-
113 PM CDT THU SEP 6 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
DALLAS...SOUTHEASTERN POLK AND NORTHEASTERN GREENE COUNTIES UNTIL 130
PM CDT...

AT 109 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 7 MILES NORTHEAST OF PLEASANT HOPE TO FAIR GROVE
TO 12 MILES SOUTHWEST OF PLEASANT HOPE...AND MOVING EAST AT 25 MPH.

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

SOURCE...EMERGENCY MANAGEMENT. PLEASANT HOPE EMERGENCY MANAGEMENT 
REPORTED AN ESTIMATED 65 MPH WIND GUST IN THE LAST 5 MINUTES. 

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

LOCATIONS IMPACTED INCLUDE...
BASSVILLE...BRIGHTON...CAVE SPRINGS...CHARITY...EBENEZER...FAIR
GROVE...MARCH...MORRISVILLE...OLIVE...PLEASANT HOPE AND SACVILLE.

INTERSTATE 44 BETWEEN MILE MARKERS 86 AND 90 WILL ALSO BE IMPACTED BY
SEVERE THUNDERSTORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3734 9347 3754 9341 3752 9300 3749 9301
      3748 9307 3727 9308
TIME...MOT...LOC 1813Z 270DEG 22KT 3754 9317 3739 9319
          3731 9333

HAIL...0.75IN
WIND...60 MPH

$$

BOXELL
668 
WWUS53 KSGF 061820
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
120 PM CDT THU SEP 6 2012

MOC059-077-167-061830-
/O.CON.KSGF.SV.W.0243.000000T0000Z-120906T1830Z/
GREENE MO-POLK MO-DALLAS MO-
120 PM CDT THU SEP 6 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
DALLAS...SOUTHEASTERN POLK AND NORTHEASTERN GREENE COUNTIES UNTIL 130
PM CDT...

AT 118 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 9 MILES NORTHEAST OF PLEASANT HOPE TO 5 MILES
SOUTHWEST OF FAIR GROVE...AND MOVING EAST AT 25 MPH.

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

SOURCE...EMERGENCY MANAGEMENT.  PLEASANT HOPE EMERGENCY MANAGEMENT 
REPORTS WINDS GUSTING TO AROUND 65 MPH. THESE STORMS ALSO HAVE A 
HISTORY OF PRODUCING TREE DAMAGE. 

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

LOCATIONS IMPACTED INCLUDE...
BASSVILLE...CHARITY...FAIR GROVE...MARCH...OLIVE AND PLEASANT HOPE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3736 9333 3753 9326 3752 9300 3749 9301
      3748 9307 3727 9308
TIME...MOT...LOC 1820Z 270DEG 22KT 3754 9312 3733 9321

HAIL...0.75IN
WIND...60 MPH

$$

BOXELL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 10:43 AM CDTSpecial Weather StatementSGFVernon47 min
Sep 6, 11:21 AM CDTSpecial Weather StatementSGFBarton, Cedar, St. Clair, Vernon39 min
Sep 6, 11:45 AM CDTSevere Thunderstorm WarningSGFCedar, St. Clair45 min
Sep 6, 12:14 PM CDTSevere Thunderstorm WarningSGFBenton, Hickory, Polk61 min
Sep 6, 12:40 PM CDTSpecial Weather StatementSGFGreene35 min
Sep 6, 1:05 PM CDTSevere Thunderstorm WarningSGFBenton, Camden, Hickory, Morgan40 min
Sep 6, 1:07 PM CDTSevere Thunderstorm WarningSGFDallas23 min
Sep 6, 1:24 PM CDTSevere Thunderstorm WarningSGFDallas, Laclede, Webster, Wright51 min
Sep 6, 1:32 PM CDTSevere Thunderstorm WarningSGFCamden, Miller, Morgan43 min
Sep 6, 1:57 PM CDTSevere Thunderstorm WarningSGFCamden, Laclede, Miller, Pulaski48 min
Sep 6, 2:08 PM CDTSevere Thunderstorm WarningSGFMaries, Miller, Morgan, Phelps67 min
Sep 6, 2:09 PM CDTSevere Thunderstorm WarningSGFLaclede, Pulaski, Texas, Wright51 min
Sep 6, 2:31 PM CDTSevere Thunderstorm WarningSGFDent, Maries, Phelps, Pulaski59 min
Sep 6, 2:49 PM CDTSevere Thunderstorm WarningSGFPhelps, Texas41 min
Sep 6, 3:11 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps13 min
Sep 6, 3:16 PM CDTSevere Thunderstorm WarningSGFDent44 min
Sep 6, 3:30 PM CDTSevere Thunderstorm WarningSGFDent, Phelps15 min
Sep 6, 3:31 PM CDTSevere Thunderstorm WarningSGFDent, Shannon, Texas37 min
Sep 6, 3:57 PM CDTSevere Thunderstorm WarningSGFShannon33 min
Sep 6, 3:57 PM CDTSevere Thunderstorm WarningSGFStone, Taney48 min
Sep 6, 4:20 PM CDTSevere Thunderstorm WarningSGFStone, Taney40 min
Sep 6, 4:46 PM CDTSevere Thunderstorm WarningSGFTaney44 min
Sep 6, 4:57 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas, Taney34 min
Sep 6, 5:04 PM CDTSpecial Weather StatementSGFMcDonald26 min
Sep 6, 6:00 PM CDTSpecial Weather StatementSGFBarry30 min
Sep 6, 6:06 PM CDTSevere Thunderstorm WarningSGFBarry24 min
Sep 6, 6:28 PM CDTSevere Thunderstorm WarningSGFBarry, Lawrence16 min
Sep 6, 6:30 PM CDTSpecial Weather StatementSGFHowell45 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2012Every 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.