Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 63, NWS Springfield, MO

April 13, 2012Dade County, Lawrence County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 13, 2012, 7:59 PM CDT for Dade County, Lawrence County, Missouri. It was in force for 31 min. 1 report 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: Apr 13, 2012, 7:59 PM CDT (00:59 UTC)
Expired: Apr 13, 2012, 8:30 PM CDT
In force: 31 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 2.75 in
Wind: 60.0 mph

Counties Dade County, MO, Lawrence County, MO

The radar

The Springfield radar (KSGF), 34 km from the middle of the area, began a volume at 01:02 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
Apr 13, 8:03 PM CDT	HAIL 1.25	5 Nw Miller, MO	HAIL VARYING BETWEEN QUARTER AND HALF DOLLAR SIZED.

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 00:00Z, 1.0 hours before the alert went out and 43 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: 677 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 838 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

571 
WUUS53 KSGF 140059
SVRSGF
MOC057-109-140130-
/O.NEW.KSGF.SV.W.0063.120414T0059Z-120414T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
759 PM CDT FRI APR 13 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN DADE COUNTY IN SOUTHWEST MISSOURI...
  NORTHERN LAWRENCE COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 830 PM CDT

* AT 757 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MILLER...AND
  MOVING EAST AT 30 MPH.

  THIS IS A VERY DANGEROUS STORM.

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

  SOURCE...TRAINED WEATHER SPOTTERS. TENNIS BALL SIZE HAIL WAS       
  REPORTED JUST NORTHWEST OF MILLER BY TRAINED WEATHER SPOTTERS.

  IMPACT...EXTENSIVE DAMAGE TO VEHICLES...ROOFS AND WINDOWS.

  
* LOCATIONS IMPACTED INCLUDE...
  EVERTON...PENNSBORO...SOUTH GREENFIELD AND HALLTOWN.

INTERSTATE 44 BETWEEN MILE MARKERS 53 AND 58 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.

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

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 3733 9400 3748 9363 3728 9362 3728 9361
      3718 9361 3714 9401
TIME...MOT...LOC 0058Z 259DEG 26KT 3726 9384

HAIL...2.75IN
WIND...60 MPH

$$

GRIFFIN

2 follow-up statements

986 
WWUS53 KSGF 140109
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
809 PM CDT FRI APR 13 2012

MOC057-109-140130-
/O.CON.KSGF.SV.W.0063.000000T0000Z-120414T0130Z/
DADE MO-LAWRENCE MO-
809 PM CDT FRI APR 13 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
LAWRENCE AND SOUTHEASTERN DADE COUNTIES UNTIL 830 PM CDT...

AT 806 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES NORTHEAST
OF MILLER...AND MOVING EAST AT 30 MPH.

HAZARD...TENNIS BALL SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...TRAINED WEATHER SPOTTERS.

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

LOCATIONS IMPACTED INCLUDE...
EVERTON AND HALLTOWN.

THIS WARNING ALSO INCLUDES STOCKTON LAKE. INTERSTATE 44 BETWEEN MILE
MARKERS 54 AND 58 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.

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

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 3739 9386 3748 9363 3728 9362 3728 9361
      3718 9361 3715 9386
TIME...MOT...LOC 0109Z 257DEG 24KT 3728 9376

HAIL...2.50IN
WIND...60 MPH

$$

GRIFFIN

717 
WWUS53 KSGF 140126
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
826 PM CDT FRI APR 13 2012

MOC057-109-140136-
/O.EXP.KSGF.SV.W.0063.000000T0000Z-120414T0130Z/
DADE MO-LAWRENCE MO-
826 PM CDT FRI APR 13 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LAWRENCE AND
SOUTHEASTERN DADE COUNTIES IS BEING REISSUED...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.  HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS
THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN SPRINGFIELD.

LAT...LON 3739 9386 3748 9363 3728 9362 3728 9361
      3718 9361 3715 9386
TIME...MOT...LOC 0126Z 257DEG 24KT 3731 9362

$$

GRIFFIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 7:03 PM CDT	Special Weather Statement	SGF	Dade	42 min
Apr 13, 7:15 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Jasper, Lawrence	45 min
Apr 13, 8:18 PM CDT	Special Weather Statement	SGF	Greene	42 min
Apr 13, 8:28 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Dallas, Greene, Polk	25 min
Apr 13, 8:35 PM CDT	Severe Thunderstorm Warning	SGF	Greene	24 min
Apr 13, 9:10 PM CDT	Flash Flood Watch	SGF	Barton, Benton, Camden, Cedar, Dade, Dallas and 11 more	13 hr
Apr 13, 9:24 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade, Polk	36 min
Apr 13, 9:43 PM CDT	Flash Flood Warning	SGF	Camden, Maries, Miller, Morgan	6 hr
Apr 13, 11:00 PM CDT	Flash Flood Warning	SGF	Phelps, Pulaski	5 hr
Apr 14, 1:11 AM CDT	Special Weather Statement	SGF	Morgan	49 min
Apr 14, 4:01 AM CDT	Areal Flood Warning	SGF	Camden, Maries, Miller, Morgan, Phelps, Pulaski	12 hr
Apr 14, 5:48 AM CDT	Special Weather Statement	SGF	Jasper	27 min
Apr 14, 7:12 AM CDT	Flash Flood Warning	SGF	Jasper, Lawrence, McDonald, Newton	6 hr
Apr 14, 12:53 PM CDT	Areal Flood Warning	SGF	Jasper, Newton	6 hr
Apr 14, 3:59 PM CDT	Areal Flood Warning	SGF	Benton, Camden, Laclede, Maries, Miller, Morgan and 2 more	9 hr
Apr 14, 4:01 PM CDT	Areal Flood Warning	SGF	Dallas, Polk	9 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.