Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 40, NWS Springfield, MO

March 15, 2012Phelps County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Mar 15, 2012, 5:57 PM CDT for Phelps County, Missouri. It was in force for 33 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 15, 2012, 5:57 PM CDT (22:57 UTC)
Expired
Mar 15, 2012, 6:30 PM CDT
In force
33 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Phelps County, MO

The radar

The St Louis radar (KLSX), 133 km from the middle of the area, began a volume at 22:58 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
Mar 15, 6:05 PM CDTHAIL 1Newburg, 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, 11.0 hours before the alert went out and 207 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 2012-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1947 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2012-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
1947 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
758 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
105 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.

806 
WUUS53 KSGF 152257
SVRSGF
MOC161-152330-
/O.NEW.KSGF.SV.W.0040.120315T2257Z-120315T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
557 PM CDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL PHELPS COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 630 PM CDT.

* AT 553 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTH OF NEWBURG...OR 11 MILES
  SOUTHWEST OF ROLLA...MOVING EAST AT 15 MPH. THIS STORM IS CAPABLE
  OF PRODUCING QUARTER SIZE HAIL.

* LOCATIONS IMPACTED INCLUDE DOOLITTLE...JEROME...NEWBURG...NORTHWYE
  AND ROLLA.

INTERSTATE 44 BETWEEN MILE MARKERS 169 AND 193 WILL ALSO BE IMPACTED
BY THIS STORM.

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 3779 9164 3779 9180 3778 9181 3777 9202
      3801 9201 3801 9197 3804 9195 3803 9193
      3805 9189 3805 9164 3780 9163
TIME...MOT...LOC 2257Z 252DEG 12KT 3786 9192
WIND...HAIL <50MPH 1.00IN

$$

KARDELL

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 1:42 PM CDTSpecial Weather StatementSGFDouglas33 min
Mar 15, 3:23 PM CDTSpecial Weather StatementSGFMaries22 min
Mar 15, 3:29 PM CDTSevere Thunderstorm WarningSGFDent46 min
Mar 15, 3:39 PM CDTSpecial Weather StatementSGFPhelps36 min
Mar 15, 3:46 PM CDTSevere Thunderstorm WarningSGFMaries, Miller17 min
Mar 15, 3:48 PM CDTSevere Thunderstorm WarningSGFPhelps42 min
Mar 15, 4:11 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps, Pulaski49 min
Mar 15, 4:21 PM CDTSevere Thunderstorm WarningSGFMaries39 min
Mar 15, 4:28 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps47 min
Mar 15, 4:39 PM CDTFlash Flood WarningSGFPhelps6 hr
Mar 15, 4:59 PM CDTSevere Thunderstorm WarningSGFPulaski31 min
Mar 15, 5:17 PM CDTSevere Thunderstorm WarningSGFPhelps19 min
Mar 15, 5:39 PM CDTSpecial Weather StatementSGFPhelps, Pulaski51 min
Mar 15, 5:53 PM CDTFlash Flood WarningSGFPulaski5 hr
Mar 15, 6:11 PM CDTSpecial Weather StatementSGFShannon49 min
Mar 15, 6:30 PM CDTSevere Thunderstorm WarningSGFDent, Phelps45 min
Mar 15, 6:36 PM CDTSevere Thunderstorm WarningSGFShannon, Texas39 min
Mar 15, 6:57 PM CDTSevere Thunderstorm WarningSGFDent, Shannon34 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.