Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 47, NWS Springfield, MO

March 17, 2012Maries County, Miller County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Mar 17, 2012, 3:05 PM CDT for Maries County, Miller County, Missouri. It was in force for 25 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, 3:05 PM CDT (20:05 UTC)
Expired: Mar 17, 2012, 3:30 PM CDT
In force: 25 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Maries County, MO, Miller County, MO

The radar

The St Louis radar (KLSX), 145 km from the middle of the area, began a volume at 20:08 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
Mar 17, 3:10 PM CDT	HAIL 1	4 E Osage Beach, 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, 8.1 hours before the alert went out and 205 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: 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.

009 
WUUS53 KSGF 172005
SVRSGF
MOC125-131-172030-
/O.NEW.KSGF.SV.W.0047.120317T2005Z-120317T2030Z/

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

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MILLER COUNTY IN CENTRAL MISSOURI...
  NORTHWESTERN MARIES COUNTY IN CENTRAL MISSOURI...

* UNTIL 330 PM CDT.

* AT 303 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES NORTHWEST OF ULMAN...OR 6 MILES EAST OF
  OSAGE BEACH...MOVING EAST AT 45 MPH. THIS STORM IS CAPABLE OF
  PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
  MPH.

* LOCATIONS IMPACTED INCLUDE MARYS HOME...SAINT ELIZABETH...TUSCUMBIA
  AND ULMAN.

OTHER LOCATIONS IN THE WARNING INCLUDE LAKE OF THE OZARKS STATE PARK.

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 3833 9219 3830 9218 3830 9208 3818 9201
      3809 9255 3822 9260 3835 9240 3834 9228
      3833 9226 3834 9220
TIME...MOT...LOC 2006Z 248DEG 39KT 3820 9247
WIND...HAIL 60MPH 1.00IN

$$

GRIFFIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 9:31 AM CDT	Special Weather Statement	SGF	Hickory	44 min
Mar 17, 9:44 AM CDT	Special Weather Statement	SGF	Morgan	46 min
Mar 17, 10:01 AM CDT	Special Weather Statement	SGF	Camden	29 min
Mar 17, 10:27 AM CDT	Special Weather Statement	SGF	Morgan	18 min
Mar 17, 11:05 AM CDT	Special Weather Statement	SGF	Miller	25 min
Mar 17, 11:13 AM CDT	Special Weather Statement	SGF	Douglas	32 min
Mar 17, 11:29 AM CDT	Special Weather Statement	SGF	Pulaski	31 min
Mar 17, 11:43 AM CDT	Special Weather Statement	SGF	Texas	32 min
Mar 17, 11:52 AM CDT	Special Weather Statement	SGF	Maries	38 min
Mar 17, 11:56 AM CDT	Severe Thunderstorm Warning	SGF	Maries, Phelps, Pulaski	34 min
Mar 17, 12:54 PM CDT	Special Weather Statement	SGF	Camden	36 min
Mar 17, 1:06 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller, Morgan	24 min
Mar 17, 2:36 PM CDT	Special Weather Statement	SGF	Miller	24 min
Mar 17, 3:03 PM CDT	Special Weather Statement	SGF	Miller	27 min
Mar 17, 3:29 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller	31 min
Mar 17, 4:12 PM CDT	Special Weather Statement	SGF	Maries, Miller	63 min
Mar 17, 4:42 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Phelps	48 min
Mar 17, 5:00 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller	30 min
Mar 17, 5:17 PM CDT	Special Weather Statement	SGF	Miller	28 min
Mar 17, 5:25 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller	50 min
Mar 17, 6:17 PM CDT	Areal Flood Advisory	SGF	Maries, Miller, Phelps	6 hr
Mar 17, 6:20 PM CDT	Special Weather Statement	SGF	Maries	55 min
Mar 17, 6:42 PM CDT	Flash Flood Warning	SGF	Maries, Miller	5 hr
Mar 17, 6:49 PM CDT	Severe Thunderstorm Warning	SGF	Maries	41 min

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.