Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 28, NWS Springfield, MO

March 2, 2012Miller County, Morgan County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Mar 2, 2012, 3:19 AM CST for Miller County, Morgan County, Missouri. It was in force for 26 min. 5 reports 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 2, 2012, 3:19 AM CST (09:19 UTC)
Expired: Mar 2, 2012, 3:45 AM CST
In force: 26 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Miller County, MO, Morgan County, MO

The radar

The Springfield radar (KSGF), 147 km from the middle of the area, began a volume at 09:19 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
Mar 2, 3:19 AM CST	HAIL 1	Gravois Mills, MO
Mar 2, 3:30 AM CST	HAIL 0.88	Eldon, MO
Mar 2, 3:30 AM CST	HAIL 1	Eldon, MO
Mar 2, 3:30 AM CST	HAIL 1.75	Eldon, MO
Mar 2, 3:40 AM CST	HAIL 0.88	Gravois Mills, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 2, 2:07 AM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 9.3 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-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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3164 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 241 m²/s²
0-3 km storm-relative helicity: 396 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.

955 
WUUS53 KSGF 020919
SVRSGF
MOC131-141-020945-
/O.NEW.KSGF.SV.W.0028.120302T0919Z-120302T0945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
319 AM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 345 AM CST.

* AT 315 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES SOUTH OF GRAVOIS MILLS...OR 12 MILES
  SOUTH OF VERSAILLES...MOVING EAST AT 60 MPH. THIS STORM IS CAPABLE
  OF PRODUCING HALF DOLLAR SIZE HAIL.

* LOCATIONS IMPACTED INCLUDE AURORA SPRINGS...BARNETT...ELDON...
  ETTERVILLE...GRAVOIS MILLS...MARYS HOME...OLEAN AND ROCKY MOUNT.

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 3844 9262 3843 9242 3841 9239 3834 9240
      3834 9228 3832 9221 3821 9288 3828 9294
      3849 9269
TIME...MOT...LOC 0919Z 252DEG 52KT 3828 9277
WIND...HAIL <50MPH 1.25IN

$$

GRIFFIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 1:53 AM CST	Special Weather Statement	SGF	Vernon	37 min
Mar 2, 2:13 AM CST	Special Weather Statement	SGF	St. Clair	32 min
Mar 2, 2:20 AM CST	Severe Thunderstorm Warning	SGF	Benton, Hickory, St. Clair	40 min
Mar 2, 2:37 AM CST	Severe Thunderstorm Warning	SGF	St. Clair	21 min
Mar 2, 2:51 AM CST	Severe Thunderstorm Warning	SGF	Benton, Camden, Morgan	39 min
Mar 2, 3:00 AM CST	Severe Thunderstorm Warning	SGF	Benton, Camden, Hickory, Morgan	34 min
Mar 2, 3:32 AM CST	Severe Thunderstorm Warning	SGF	Camden, Miller, Morgan	43 min
Mar 2, 3:56 AM CST	Severe Thunderstorm Warning	SGF	Miller	19 min
Mar 2, 4:23 AM CST	Severe Thunderstorm Warning	SGF	Maries	22 min
Mar 2, 5:45 AM CST	Special Weather Statement	SGF	Morgan	15 min
Mar 2, 7:44 AM CST	Special Weather Statement	SGF	Miller	31 min
Mar 2, 8:53 AM CST	Special Weather Statement	SGF	Maries	37 min
Mar 2, 10:09 AM CST	Special Weather Statement	SGF	Oregon	51 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.