Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 46, NWS Springfield, MO

March 17, 2012Camden County, Miller County, Morgan County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Mar 17, 2012, 1:06 PM CDT for Camden County, Miller County, Morgan County, Missouri. It was in force for 24 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
Mar 17, 2012, 1:06 PM CDT (18:06 UTC)
Expired
Mar 17, 2012, 1:30 PM CDT
In force
24 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Camden County, MO, Miller County, MO, Morgan County, MO

What was reported inside it

TimeReportWhereRemark
Mar 17, 1:13 PM CDTHAIL 0.88Laurie, MO

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, 6.1 hours before the alert went out and 179 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 2012-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1549 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 2012-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
1549 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
724 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
83 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.

828 
WUUS53 KSGF 171806
SVRSGF
MOC029-131-141-171830-
/O.NEW.KSGF.SV.W.0046.120317T1806Z-120317T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
106 PM CDT SAT MAR 17 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL CAMDEN COUNTY IN CENTRAL MISSOURI...
  NORTHWESTERN MILLER COUNTY IN CENTRAL MISSOURI...
  SOUTHEASTERN MORGAN COUNTY IN CENTRAL MISSOURI...

* UNTIL 130 PM CDT.

* AT 102 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES NORTHEAST OF BARNUMTON...OR 11 MILES
  NORTHWEST OF CAMDENTON...MOVING NORTHEAST AT 40 MPH. THIS STORM IS
  CAPABLE OF PRODUCING QUARTER SIZE HAIL.

* LOCATIONS IMPACTED INCLUDE AURORA SPRINGS...BAGNELL...BARNETT...
  BARNUMTON...ELDON...GRAVOIS MILLS...HURRICANE DECK...LAKE OZARK...
  LAKELAND...LAKEVIEW...LAURIE...PURVIS...ROCKY MOUNT...SUNRISE
  BEACH...VILLAGE OF FOUR SEASONS AND VILLAGE OF THE FOUR SEASONS.

OTHER LOCATIONS IN THE WARNING INCLUDE LAKE OF THE OZARKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM CAPABLE OF PRODUCING LARGE HAIL AND
DAMAGING WINDS...IF YOU ARE IN ITS PATH SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

&&

LAT...LON 3848 9276 3831 9245 3803 9286 3811 9299
TIME...MOT...LOC 1807Z 220DEG 35KT 3817 9284
WIND...HAIL <50MPH 1.00IN

$$

GRIFFIN
1 follow-up statement
340 
WWUS53 KSGF 171827
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
127 PM CDT SAT MAR 17 2012

MOC029-131-141-171837-
/O.EXP.KSGF.SV.W.0046.000000T0000Z-120317T1830Z/
CAMDEN MO-MILLER MO-MORGAN MO-
127 PM CDT SAT MAR 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORGAN...
NORTHWESTERN MILLER AND NORTH CENTRAL CAMDEN COUNTIES WILL EXPIRE AT
130 PM CDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3848 9276 3831 9245 3803 9286 3811 9299
TIME...MOT...LOC 1827Z 220DEG 35KT 3832 9268

$$

GRIFFIN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 9:31 AM CDTSpecial Weather StatementSGFHickory44 min
Mar 17, 9:44 AM CDTSpecial Weather StatementSGFMorgan46 min
Mar 17, 10:01 AM CDTSpecial Weather StatementSGFCamden29 min
Mar 17, 10:27 AM CDTSpecial Weather StatementSGFMorgan18 min
Mar 17, 11:05 AM CDTSpecial Weather StatementSGFMiller25 min
Mar 17, 11:13 AM CDTSpecial Weather StatementSGFDouglas32 min
Mar 17, 11:29 AM CDTSpecial Weather StatementSGFPulaski31 min
Mar 17, 11:43 AM CDTSpecial Weather StatementSGFTexas32 min
Mar 17, 11:52 AM CDTSpecial Weather StatementSGFMaries38 min
Mar 17, 11:56 AM CDTSevere Thunderstorm WarningSGFMaries, Phelps, Pulaski34 min
Mar 17, 12:54 PM CDTSpecial Weather StatementSGFCamden36 min
Mar 17, 2:36 PM CDTSpecial Weather StatementSGFMiller24 min
Mar 17, 3:03 PM CDTSpecial Weather StatementSGFMiller27 min
Mar 17, 3:05 PM CDTSevere Thunderstorm WarningSGFMaries, Miller25 min
Mar 17, 3:29 PM CDTSevere Thunderstorm WarningSGFMaries, Miller31 min
Mar 17, 4:12 PM CDTSpecial Weather StatementSGFMaries, Miller63 min
Mar 17, 4:42 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps48 min
Mar 17, 5:00 PM CDTSevere Thunderstorm WarningSGFMaries, Miller30 min
Mar 17, 5:17 PM CDTSpecial Weather StatementSGFMiller28 min
Mar 17, 5:25 PM CDTSevere Thunderstorm WarningSGFMaries, Miller50 min
Mar 17, 6:17 PM CDTAreal Flood AdvisorySGFMaries, Miller, Phelps6 hr
Mar 17, 6:20 PM CDTSpecial Weather StatementSGFMaries55 min
Mar 17, 6:42 PM CDTFlash Flood WarningSGFMaries, Miller5 hr
Mar 17, 6:49 PM CDTSevere Thunderstorm WarningSGFMaries41 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.