Alert archive / Missouri / Special Weather Statements in 2012

Special Weather Statement, NWS Springfield, MO

March 2, 2012Oregon County, Missouri

NWS Springfield, MO issued this special weather statement at Mar 2, 2012, 10:09 AM CST for Oregon County, Missouri. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 2, 2012, 10:09 AM CST (16:09 UTC)
Expired
Mar 2, 2012, 11:00 AM CST
In force
51 min
Issued by
NWS Springfield, MO

County Oregon County, MO

The radar

The St Louis radar (KLSX), 186 km from the middle of the area, began a volume at 16:09 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.

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 4.2 hours before the alert went out and 272 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, Little Rock, AR at 12:00Z on 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1625 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, Little Rock, AR at 12:00Z on 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 square meters per square second.1939587897117136Sfc1 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
1625 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
645 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
3.2
Supercell composite
11.9

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this special weather statement went out at Mar 2, 6:23 AM CST, 3 hours 46 minutes earlier.

Area forecast discussion, Mar 2, 6:23 AM CST, 3 hours 46 minutes before
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Hazardous weather outlook, Mar 2, 3:39 AM CST, 6 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
339 AM CST FRI MAR 2 2012

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-030945-
BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON-
ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS-
LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON-
LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE-
TANEY-OZARK-OREGON-
339 AM CST FRI MAR 2 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI
OZARKS AND EXTREME SOUTHEAST KANSAS.

.DAY ONE...TODAY AND TONIGHT.

WEATHER HAZARDS EXPECTED...

  LIMITED TORNADO RISK.
  ELEVATED HAIL RISK.
  ELEVATED THUNDERSTORM WIND DAMAGE RISK.
  ELEVATED LIGHTNING RISK.
  LIMITED NON THUNDERSTORM WIND RISK.

DISCUSSION...

  SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS SOUTHERN
  MISSOURI THROUGH THE MORNING AS A SURFACE LOW PRESSURE SYSTEM
  TRACKS ACROSS THE AREA. THE STORMS MAY BE SEVERE WITH AN
  ELEVATED RISK OF LARGE HAIL TO THE SIZE OF GOLF BALLS AND DAMAGING
  WINDS. THERE IS ALSO A LIMITED RISK OF TORNADOES ACROSS SOUTH
  CENTRAL MISSOURI MAINLY SOUTHEAST OF A GAINESVILLE TO SALEM
  LINE.

  NON THUNDERSTORM WIND GUSTS OF 30 TO 35 MPH WILL BE POSSIBLE
  THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

  ELEVATED FIRE WEATHER CONDITIONS WILL OCCUR ACROSS PORTIONS
  EXTREME SOUTHEASTERN KANSAS AND SOUTHERN MISSOURI EACH AFTERNOON
  FROM SATURDAY THROUGH TUESDAY AS OCCASIONALLY GUSTY WINDS
  INTERACT WITH A DRY AIR MASS.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION MAY BE NEEDED THIS MORNING ACROSS SOUTH
  CENTRAL MISSOURI.

&&

THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH
OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT
HTTP://WWW.CRH.NOAA.GOV/SGF(ALL LOWERCASE)

FOSTER

In the hours before

Local storm report, Mar 2, 5:28 AM CST, 4 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
528 AM CST FRI MAR 02 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0330 AM     HAIL             ELDON                   38.35N 92.58W
03/02/2012  M1.75 INCH       MILLER             MO   PUBLIC

&&

MGRIFFIN
Special weather statement, Mar 2, 5:45 AM CST, 4 hours 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
545 AM CST FRI MAR 2 2012

MOZ056-057-021200-
MILLER MO-MORGAN MO-
545 AM CST FRI MAR 2 2012

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL MORGAN AND
NORTHWESTERN MILLER COUNTIES UNTIL 600 AM CST...

AT 542 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR GRAVOIS MILLS...OR 6 MILES SOUTH OF
VERSAILLES...MOVING NORTHEAST AT 50 MPH. NICKEL SIZE HAIL IS EXPECTED
WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE BARNETT...ELDON...ETTERVILLE...GRAVOIS
MILLS...OLEAN AND VERSAILLES.

OTHER LOCATIONS IN THIS SIGNIFICANT WEATHER ADVISORY INCLUDE LAKE OF
THE OZARKS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM CST FRIDAY
MORNING FOR SOUTHERN MISSOURI.

LAT...LON 3844 9262 3843 9241 3842 9240 3838 9240
      3827 9282 3836 9292 3853 9274
TIME...MOT...LOC 1145Z 236DEG 44KT 3836 9280

GRIFFIN
Local storm report, Mar 2, 5:48 AM CST, 4 hours 21 minutes before
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Special weather statement, Mar 2, 7:44 AM CST, 2 hours 25 minutes before
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Special weather statement, Mar 2, 8:53 AM CST, 1 hour 16 minutes before
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Special weather statement, Mar 2, 10:09 AM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 1:53 AM CSTSpecial Weather StatementSGFVernon37 min
Mar 2, 2:13 AM CSTSpecial Weather StatementSGFSt. Clair32 min
Mar 2, 2:20 AM CSTSevere Thunderstorm WarningSGFBenton, Hickory, St. Clair40 min
Mar 2, 2:37 AM CSTSevere Thunderstorm WarningSGFSt. Clair21 min
Mar 2, 2:51 AM CSTSevere Thunderstorm WarningSGFBenton, Camden, Morgan39 min
Mar 2, 3:00 AM CSTSevere Thunderstorm WarningSGFBenton, Camden, Hickory, Morgan34 min
Mar 2, 3:19 AM CSTSevere Thunderstorm WarningSGFMiller, Morgan26 min
Mar 2, 3:32 AM CSTSevere Thunderstorm WarningSGFCamden, Miller, Morgan43 min
Mar 2, 3:56 AM CSTSevere Thunderstorm WarningSGFMiller19 min
Mar 2, 4:23 AM CSTSevere Thunderstorm WarningSGFMaries22 min
Mar 2, 5:45 AM CSTSpecial Weather StatementSGFMorgan15 min
Mar 2, 7:44 AM CSTSpecial Weather StatementSGFMiller31 min
Mar 2, 8:53 AM CSTSpecial Weather StatementSGFMaries37 min

Nearby

Special Weather Statements in Missouri, 2012Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.