Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 147, NWS Springfield, MO

July 7, 2012Morgan County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 7, 2012, 3:12 PM CDT for Morgan County, Missouri. It was in force for 27 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
Jul 7, 2012, 3:12 PM CDT (20:12 UTC)
Expired
Jul 7, 2012, 3:39 PM CDT
In force
27 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Morgan County, MO

The radar

The Pleasant Hill radar (KEAX), 133 km from the middle of the area, began a volume at 20:12 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
Jul 7, 3:15 PM CDTTSTM WND DMGBarnett, MONUMEROUS TREES REPORTED DOWN ACROSS HIGHWAY AA IN THE VICINITY OF BARNETT.

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, 8.2 hours before the alert went out and 197 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 2012-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1058 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 2012-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939Sfc1 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
1058 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
2009 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

346 
WUUS53 KSGF 072012
SVRSGF
MOC141-072100-
/O.NEW.KSGF.SV.W.0147.120707T2012Z-120707T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
312 PM CDT SAT JUL 7 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MORGAN COUNTY IN CENTRAL MISSOURI...

* UNTIL 400 PM CDT

* AT 310 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES EAST OF
  VERSAILLES...AND MOVING NORTHWEST AT 20 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...
  VERSAILLES...STOVER...SYRACUSE AND FLORENCE.

THIS WARNING ALSO INCLUDES LAKE OF THE OZARKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3868 9284 3860 9283 3843 9262 3835 9264
      3834 9269 3830 9269 3829 9270 3840 9307
      3869 9297
TIME...MOT...LOC 2012Z 113DEG 19KT 3839 9268

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

$$
2 follow-up statements
124 
WWUS53 KSGF 072028
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
328 PM CDT SAT JUL 7 2012

MOC141-072100-
/O.CON.KSGF.SV.W.0147.000000T0000Z-120707T2100Z/
MORGAN MO-
328 PM CDT SAT JUL 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
MORGAN COUNTY UNTIL 400 PM CDT...

AT 322 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES EAST OF
VERSAILLES...AND MOVING NORTHWEST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
VERSAILLES...STOVER...SYRACUSE AND FLORENCE.

THIS WARNING ALSO INCLUDES LAKE OF THE OZARKS. 

A TREE WAS REPORTED TO BE BLOWN DOWN BY THIS STORM NORTHEAST OF 
GRAVOIS MILLS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3868 9284 3860 9283 3843 9262 3835 9264
      3834 9269 3830 9269 3829 9270 3840 9307
      3869 9297
TIME...MOT...LOC 2027Z 113DEG 19KT 3842 9277

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

$$

WISE
576 
WWUS53 KSGF 072039
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
339 PM CDT SAT JUL 7 2012

MOC141-072049-
/O.CAN.KSGF.SV.W.0147.000000T0000Z-120707T2100Z/
MORGAN MO-
339 PM CDT SAT JUL 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MORGAN COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 3868 9284 3860 9283 3843 9262 3835 9264
      3834 9269 3830 9269 3829 9270 3840 9307
      3869 9297
TIME...MOT...LOC 2039Z 113DEG 19KT 3844 9284

$$

WISE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 1:37 PM CDTSevere Thunderstorm WarningSGFWebster23 min
Jul 7, 1:40 PM CDTSevere Thunderstorm WarningSGFWebster30 min
Jul 7, 1:44 PM CDTSpecial Weather StatementSGFChristian31 min
Jul 7, 1:54 PM CDTSpecial Weather StatementSGFChristian36 min
Jul 7, 2:00 PM CDTSevere Thunderstorm WarningSGFChristian, Greene30 min
Jul 7, 2:09 PM CDTSevere Thunderstorm WarningSGFChristian, Greene51 min
Jul 7, 2:20 PM CDTSpecial Weather StatementSGFStone25 min
Jul 7, 2:21 PM CDTSpecial Weather StatementSGFMaries24 min
Jul 7, 2:24 PM CDTSevere Thunderstorm WarningSGFGreene51 min
Jul 7, 2:50 PM CDTSevere Thunderstorm WarningSGFBarry, Lawrence, Stone40 min
Jul 7, 3:05 PM CDTSpecial Weather StatementSGFMorgan25 min
Jul 7, 3:32 PM CDTSevere Thunderstorm WarningSGFCedar, Polk43 min
Jul 7, 3:40 PM CDTSevere Thunderstorm WarningSGFCamden, Morgan35 min
Jul 7, 3:50 PM CDTSevere Thunderstorm WarningSGFBarry25 min
Jul 7, 4:39 PM CDTSevere Thunderstorm WarningSGFSt. Clair36 min
Jul 7, 5:17 PM CDTSpecial Weather StatementSGFBarton28 min
Jul 7, 5:23 PM CDTSevere Thunderstorm WarningSGFHowell, Ozark52 min
Jul 7, 5:29 PM CDTSevere Thunderstorm WarningSGFBarton31 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; radar from the NEXRAD Level II archive.