Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 270, NWS Springfield, MO

September 7, 20125 counties in Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Sep 7, 2012, 3:23 PM CDT for 5 counties in Missouri. It was in force for 52 min. 2 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 7, 2012, 3:23 PM CDT (20:23 UTC)
Expired: Sep 7, 2012, 4:15 PM CDT
In force: 52 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Barton County, MO, Cedar County, MO, Dade County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 92 km from the middle of the area, began a volume at 20:22 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 7, 3:53 PM CDT	TSTM WND DMG	Lamar, MO	LARGE TREES REPORTED DOWN INT THE TOWN OF LAMAR.
Sep 7, 3:55 PM CDT	TSTM WND GST 65	Lamar, 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 7, 2:35 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.4 hours before the alert went out and 110 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: 1095 J/kg
Mixed-layer CIN: -182 J/kg
Mixed-layer LCL: 1368 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 256 m²/s²
0-3 km storm-relative helicity: 257 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.9

Open this sounding in Storm Lab

The text

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

837 
WUUS53 KSGF 072023
SVRSGF
MOC011-039-057-185-217-072115-
/O.NEW.KSGF.SV.W.0270.120907T2023Z-120907T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
323 PM CDT FRI SEP 7 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BARTON COUNTY IN SOUTHWEST MISSOURI...
  WESTERN CEDAR COUNTY IN SOUTHWEST MISSOURI...
  NORTHWESTERN DADE COUNTY IN SOUTHWEST MISSOURI...
  ST. CLAIR COUNTY IN WEST CENTRAL MISSOURI...
  EASTERN VERNON COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 415 PM CDT

* AT 322 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 25 MILES
  NORTHWEST OF LAMAR...AND MOVING EAST AT 50 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...
  APPLETON CITY...EL DORADO SPRINGS...GOLDEN CITY...LAMAR...LOWRY
  CITY AND OSCEOLA.

THIS WARNING ALSO INCLUDES TRUMAN LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3786 9417 3805 9410 3804 9407 3821 9404
      3820 9352 3735 9407 3736 9444
TIME...MOT...LOC 2023Z 284DEG 44KT 3776 9456

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

$$

COLUCCI

1 follow-up statement

504 
WWUS53 KSGF 072047
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
347 PM CDT FRI SEP 7 2012

MOC011-039-057-185-217-072115-
/O.CON.KSGF.SV.W.0270.000000T0000Z-120907T2115Z/
BARTON MO-CEDAR MO-ST. CLAIR MO-VERNON MO-DADE MO-
347 PM CDT FRI SEP 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
DADE...EASTERN VERNON...ST. CLAIR...WESTERN CEDAR AND EASTERN BARTON
COUNTIES UNTIL 415 PM CDT...

AT 343 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 14 MILES NORTH OF
LAMAR...AND MOVING EAST AT 50 MPH.

HAZARD...QUARTER SIZE HAIL AND 70 MPH WIND GUSTS.

SOURCE...EMERGENCY MANAGEMENT. TREES AND POWERLINES WERE REPORTD 
DOWN NEAR MINDEMINES. DEBRIS WAS REPORTED BLOWING ONTO HIGHWAY 71.  

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. TREE BRANCHES
         UP TO THREE INCHES IN DIAMETER BROKEN. POSSIBLE MINOR DAMAGE
         TO SHINGLE ROOFS AND METAL OUTBUILDINGS.

LOCATIONS IMPACTED INCLUDE...
APPLETON CITY...BOSTON...CAPLINGER MILLS...CEDAR SPRINGS...
CEDARVILLE...EL DORADO SPRINGS...FILLEY...GOLDEN CITY...IRWIN...
JERICO SPRINGS...JOHNSON CITY...KENOMA...LAMAR HEIGHTS...LAMAR...
LOWRY CITY...MILFORD...MONEGAW SPRINGS...MONTEVALLO...OAKTON...
OLYMPIA...OSCEOLA...ROSCOE...SCHELL CITY...SYLVANIA...TABERVILLE...
TIFFIN...VISTA AND WAGONER.

THIS WARNING ALSO INCLUDES TRUMAN LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR SOUTHEAST KANSAS AND SOUTHERN MISSOURI.

LAT...LON 3786 9417 3805 9410 3804 9407 3821 9404
      3820 9352 3735 9407 3736 9444
TIME...MOT...LOC 2046Z 284DEG 44KT 3769 9422

HAIL...1.00IN
WIND...70 MPH

$$

COLUCCI

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 6, 8:21 PM CDT	Special Weather Statement	SGF	Stone	24 min
Sep 6, 8:45 PM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	27 min
Sep 6, 10:15 PM CDT	Special Weather Statement	SGF	Miller	30 min
Sep 6, 10:19 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller	28 min
Sep 7, 2:45 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Ozark	45 min
Sep 7, 2:58 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	47 min
Sep 7, 3:28 PM CDT	Special Weather Statement	SGF	Howell	32 min
Sep 7, 3:31 PM CDT	Special Weather Statement	SGF	Howell	29 min
Sep 7, 3:36 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	39 min
Sep 7, 3:39 PM CDT	Severe Thunderstorm Warning	SGF	Jasper	66 min
Sep 7, 4:03 PM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	57 min
Sep 7, 4:05 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Cedar, Dade, Hickory, Jasper, Lawrence and 2 more	55 min
Sep 7, 4:19 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Shannon, Texas	41 min
Sep 7, 4:20 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Christian, Dade, Greene, Hickory, Jasper and 3 more	55 min
Sep 7, 4:25 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas, Laclede, Webster, Wright	50 min
Sep 7, 4:37 PM CDT	Severe Thunderstorm Warning	SGF	Oregon, Shannon	18 min
Sep 7, 4:41 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Christian, Lawrence, Stone	49 min
Sep 7, 4:50 PM CDT	Severe Thunderstorm Warning	SGF	Webster	44 min
Sep 7, 4:58 PM CDT	Severe Thunderstorm Warning	SGF	Lawrence	16 min
Sep 7, 5:00 PM CDT	Tornado Warning	SGF	Dallas, Laclede	18 min
Sep 7, 5:10 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Webster, Wright	50 min
Sep 7, 5:23 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Ozark, Stone, Taney	52 min
Sep 7, 5:41 PM CDT	Severe Thunderstorm Warning	SGF	Texas	49 min
Sep 7, 5:52 PM CDT	Tornado Warning	SGF	Texas	22 min
Sep 7, 6:03 PM CDT	Severe Thunderstorm Warning	SGF	Phelps, Pulaski	30 min
Sep 7, 6:29 PM CDT	Special Weather Statement	SGF	Dent	31 min
Sep 7, 6:46 PM CDT	Special Weather Statement	SGF	Oregon	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.