Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 69, NWS Springfield, MO

April 15, 2012Barton County, Vernon County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 15, 2012, 7:42 AM CDT for Barton County, Vernon County, Missouri. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 15, 2012, 7:42 AM CDT (12:42 UTC)
Expired: Apr 15, 2012, 8:18 AM CDT
In force: 36 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Barton County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 106 km from the middle of the area, began a volume at 12:46 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 0.7 hours before the alert went out and 111 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: 31 J/kg
Mixed-layer CIN: -142 J/kg
Mixed-layer LCL: 855 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 319 m²/s²
0-3 km storm-relative helicity: 381 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.

843 
WUUS53 KSGF 151242
SVRSGF
MOC011-217-151330-
/O.NEW.KSGF.SV.W.0069.120415T1242Z-120415T1330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
742 AM CDT SUN APR 15 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BARTON COUNTY IN SOUTHWEST MISSOURI...
  VERNON COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 830 AM CDT

* AT 740 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LIBERAL...
  AND MOVING NORTHEAST AT 65 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...
  VERDELLA...NEVADA...SHELDON...WALKER...SCHELL CITY...HANNON...
  BRONAUGH...IRWIN...MOUNDVILLE...DEERFIELD...MILO...MONTEVALLO...
  METZ...HORTON AND HARWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3806 9447 3804 9408 3765 9407 3743 9444
      3754 9462 3766 9462
TIME...MOT...LOC 1242Z 220DEG 58KT 3758 9448

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

$$

LINDENBERG

3 follow-up statements

855 
WWUS53 KSGF 151258
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
758 AM CDT SUN APR 15 2012

MOC011-217-151330-
/O.CON.KSGF.SV.W.0069.000000T0000Z-120415T1330Z/
BARTON MO-VERNON MO-
758 AM CDT SUN APR 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN VERNON
AND NORTHEASTERN BARTON COUNTIES UNTIL 830 AM CDT...

AT 755 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTH OF
SHELDON...AND MOVING NORTHEAST AT 65 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...
WALKER...SCHELL CITY...MONTEVALLO AND HARWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3761 9442 3775 9444 3805 9433 3804 9408
      3765 9407 3743 9444
TIME...MOT...LOC 1258Z 220DEG 58KT 3777 9427

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

$$

LINDENBERG

463 
WWUS53 KSGF 151310
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
810 AM CDT SUN APR 15 2012

MOC011-217-151330-
/O.CON.KSGF.SV.W.0069.000000T0000Z-120415T1330Z/
BARTON MO-VERNON MO-
810 AM CDT SUN APR 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN VERNON
AND NORTHEASTERN BARTON COUNTIES UNTIL 830 AM CDT...

AT 805 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES SOUTHEAST
OF WALKER...AND MOVING NORTHEAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY 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...
SCHELL CITY AND HARWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3757 9421 3772 9425 3780 9428 3804 9422
      3804 9408 3765 9407
TIME...MOT...LOC 1310Z 231DEG 49KT 3782 9408

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

$$

LINDENBERG

256 
WWUS53 KSGF 151318
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
818 AM CDT SUN APR 15 2012

MOC011-217-151328-
/O.CAN.KSGF.SV.W.0069.000000T0000Z-120415T1330Z/
BARTON MO-VERNON MO-
818 AM CDT SUN APR 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN VERNON AND
NORTHEASTERN BARTON COUNTIES IS CANCELLED...

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

LAT...LON 3757 9421 3772 9425 3780 9428 3804 9422
      3804 9408 3765 9407
TIME...MOT...LOC 1318Z 220DEG 58KT 3801 9400

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 12:54 AM CDT	Areal Flood Advisory	SGF	Benton, Camden, Dallas, Laclede, Maries, Miller and 4 more	12 hr
Apr 15, 4:13 AM CDT	Wind Advisory	SGF	Barton, Benton, Camden, Cedar, Dade, Dallas and 11 more	14 hr
Apr 15, 7:21 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	39 min
Apr 15, 8:20 AM CDT	Special Weather Statement	SGF	St. Clair	25 min
Apr 15, 8:45 AM CDT	Special Weather Statement	SGF	Benton	45 min
Apr 15, 8:55 AM CDT	Flash Flood Warning	SGF	Barton, Jasper, Newton	6 hr
Apr 15, 9:59 AM CDT	Special Weather Statement	SGF	Lawrence	31 min
Apr 15, 11:22 AM CDT	Special Weather Statement	SGF	Camden, Dallas	38 min
Apr 15, 12:39 PM CDT	Special Weather Statement	SGF	Jasper	36 min
Apr 15, 12:41 PM CDT	Special Weather Statement	SGF	Cedar	34 min
Apr 15, 12:50 PM CDT	Special Weather Statement	SGF	St. Clair	25 min
Apr 15, 12:52 PM CDT	Special Weather Statement	SGF	Cedar, Dade	38 min
Apr 15, 12:54 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, St. Clair	21 min
Apr 15, 1:14 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	29 min
Apr 15, 1:47 PM CDT	Special Weather Statement	SGF	Dallas, Greene	28 min
Apr 15, 1:49 PM CDT	Severe Thunderstorm Warning	SGF	Barry	14 min
Apr 15, 3:18 PM CDT	Areal Flood Warning	SGF	Dallas, Polk	2 hr
Apr 15, 3:26 PM CDT	Flash Flood Warning	SGF	Christian, Greene, Stone, Taney, Webster	2 hr
Apr 15, 3:58 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas, Laclede	26 min
Apr 15, 4:11 PM CDT	Severe Thunderstorm Warning	SGF	Miller, Morgan	22 min
Apr 15, 4:55 PM CDT	Areal Flood Advisory	SGF	Douglas, Ozark, Webster, Wright	6 hr
Apr 15, 5:04 PM CDT	Flash Flood Warning	SGF	Camden, Laclede, Maries, Miller, Phelps, Pulaski	6 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.