Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 182, NWS Springfield, MO

August 4, 2012Jasper County, Missouri; Cherokee County, Kansas

NWS Springfield, MO issued this severe thunderstorm warning at Aug 4, 2012, 5:55 PM CDT for Jasper County, Missouri; Cherokee County, Kansas. It was in force for 50 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, 5:55 PM CDT (22:55 UTC)
Expired
Aug 4, 2012, 6:45 PM CDT
In force
50 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cherokee County, KS, Jasper County, MO

The radar

The Springfield radar (KSGF), 98 km from the middle of the area, began a volume at 22:56 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

TimeReportWhereRemark
Aug 4, 6:01 PM CDTTSTM WND DMG2 W Crestline, KS15 TO 25 POWER POLES WERE DOWNED FROM 2 MILES WEST OF CRESTLINE TO CRESTLINE.
Aug 4, 6:12 PM CDTTSTM WND DMGJoplin, MOLAW ENFORCEMENT REPORTS NUMEROUS POWER LINES DOWN AND POWER OUTAGES AROUND THE CITY.
Aug 4, 6:35 PM CDTTSTM WND DMGJasper, MOPOWER POLES DOWN IN THE CITY OF JASPER. POLES ACROSS HIGHWAY 71 CAUSING TRAFFIC TO BACK UP.

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, 10.9 hours before the alert went out and 68 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 2012-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 917 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2012-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.193958Sfc1 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
917 J/kg
Mixed-layer CIN
-319 J/kg
Mixed-layer LCL
1875 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

841 
WUUS53 KSGF 042255
SVRSGF
KSC021-MOC097-042345-
/O.NEW.KSGF.SV.W.0182.120804T2255Z-120804T2345Z/

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

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CHEROKEE COUNTY IN SOUTHEAST KANSAS...
  JASPER COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 645 PM CDT

* AT 551 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTHWEST
  OF GALENA...AND MOVING EAST AT 25 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.

  POWER LINE POLES HAVE BEEN REPORTED BLOWN DOWN BY THIS STORM NEAR  
  CRESTLINE BY EMERGENCY MANAGEMENT.  

* LOCATIONS IMPACTED INCLUDE...
  AIRPORT DRIVE...ALBA...ASBURY...ATLAS...BROOKLYN HEIGHTS...CARL
  JUNCTION...CARTERVILLE...CARTHAGE...CARYTOWN...CRESTLINE...
  DUENWEG...DUQUESNE...GALENA...IRON GATES...JASPER...JOPLIN...
  LAKESIDE...LAWTON...LOWELL...NECK CITY...NEUTRAL...OAKLAND PARK...
  ORONOGO...PURCELL...RIVERTON...WACO AND WEBB CITY.

INTERSTATE 44 BETWEEN MILE MARKERS 0 AND 17 WILL ALSO BE IMPACTED BY
THE SEVERE THUNDERSTORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL...DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY. LIGHTNING
KILLS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 3735 9431 3735 9417 3716 9417 3705 9449
      3706 9461 3702 9461 3700 9462 3700 9465
      3708 9480 3723 9480
TIME...MOT...LOC 2254Z 263DEG 22KT 3715 9468

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

$$

GRIFFIN
2 follow-up statements
247 
WWUS53 KSGF 042314
SVSSGF

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

KSC021-042324-
/O.CAN.KSGF.SV.W.0182.000000T0000Z-120804T2345Z/
CHEROKEE KS-
614 PM CDT SAT AUG 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHEROKEE COUNTY
IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3735 9431 3735 9417 3716 9417 3705 9450
      3728 9458
TIME...MOT...LOC 2314Z 249DEG 27KT 3723 9447

$$

MOC097-042345-
/O.CON.KSGF.SV.W.0182.000000T0000Z-120804T2345Z/
JASPER MO-
614 PM CDT SAT AUG 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL JASPER
COUNTY UNTIL 645 PM CDT...

AT 612 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ORONOGO...AND
MOVING EAST AT 30 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...
AIRPORT DRIVE...ALBA...ATLAS...BROOKLYN HEIGHTS...CARTERVILLE...
CARTHAGE...CARYTOWN...DUENWEG...DUQUESNE...JASPER...LAKESIDE...NECK
CITY...NORTHEASTERN JOPLIN...OAKLAND PARK...ORONOGO...PURCELL AND
WEBB CITY.

INTERSTATE 44 BETWEEN MILE MARKERS 8 AND 16 WILL ALSO BE IMPACTED BY
THE SEVERE THUNDERSTORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3735 9431 3735 9417 3716 9417 3705 9450
      3728 9458
TIME...MOT...LOC 2314Z 249DEG 27KT 3723 9447

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

$$

GRIFFIN
190 
WWUS53 KSGF 042337
SVSSGF

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

MOC097-042346-
/O.EXP.KSGF.SV.W.0182.000000T0000Z-120804T2345Z/
JASPER MO-
637 PM CDT SAT AUG 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL JASPER COUNTY WILL
EXPIRE AT 645 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA BUT A NEW WARNING HAS BEEN ISSUED FURTHER EAST OF THIS AREA FOR 
THIS STORM.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT.

LAT...LON 3735 9431 3735 9417 3716 9417 3705 9450
      3728 9458
TIME...MOT...LOC 2336Z 249DEG 27KT 3729 9428

$$

GRIFFIN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 7:10 AM CDTRed Flag WarningSGFBarton, Jasper, McDonald, Newton13 hr
Aug 4, 5:28 PM CDTSpecial Weather StatementSGFLaclede32 min
Aug 4, 5:45 PM CDTSpecial Weather StatementSGFNewton45 min
Aug 4, 5:49 PM CDTSevere Thunderstorm WarningSGFJasper, Newton32 min
Aug 4, 5:58 PM CDTSevere Thunderstorm WarningSGFDouglas, Webster, Wright17 min
Aug 4, 6:09 PM CDTSpecial Weather StatementSGFMaries36 min
Aug 4, 6:23 PM CDTSpecial Weather StatementSGFChristian37 min
Aug 4, 6:29 PM CDTSpecial Weather StatementSGFBarton31 min
Aug 4, 6:32 PM CDTSevere Thunderstorm WarningSGFBarton, Dade, Jasper, Lawrence43 min
Aug 4, 6:59 PM CDTSevere Thunderstorm WarningSGFDade, Greene, Lawrence46 min
Aug 4, 5:11 PM CDTSpecial Weather StatementSGFCherokee49 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2012Severe Thunderstorm Warnings in Kansas, 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; radar from the NEXRAD Level II archive.