Alert archive / Missouri / Special Weather Statements in 2012

Special Weather Statement, NWS Springfield, MO

March 19, 2012St. Clair County, Missouri

NWS Springfield, MO issued this special weather statement at Mar 19, 2012, 4:08 PM CDT for St. Clair County, Missouri. It was in force for 52 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 19, 2012, 4:08 PM CDT (21:08 UTC)
Expired: Mar 19, 2012, 5:00 PM CDT
In force: 52 min
Issued by: NWS Springfield, MO

County St. Clair County, MO

The radar

The Springfield radar (KSGF), 86 km from the middle of the area, began a volume at 21:08 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.1 hours before the alert went out and 121 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: 631 J/kg
Mixed-layer CIN: -118 J/kg
Mixed-layer LCL: 721 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 246 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 19, 3:18 PM CDT, 50 minutes earlier.

Area forecast discussion, Mar 19, 3:18 PM CDT, 50 minutes before

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Hazardous weather outlook, Mar 19, 1:28 PM CDT, 2 hours 40 minutes before

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In the hours before

Special weather statement, Mar 19, 1:35 PM CDT, 2 hours 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
135 PM CDT MON MAR 19 2012

KSZ073-097-101-MOZ066-077-088-093-191900-
BOURBON KS-CHEROKEE KS-CRAWFORD KS-BARTON MO-JASPER MO-NEWTON MO-
VERNON MO-
135 PM CDT MON MAR 19 2012

...SIGNIFICANT WEATHER ADVISORY FOR BARTON...EASTERN CHEROKEE...
EASTERN CRAWFORD...NORTHWESTERN NEWTON...SOUTHEASTERN BOURBON...
SOUTHWESTERN VERNON AND WESTERN JASPER COUNTIES UNTIL 200 PM CDT...

AT 132 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM GIRARD TO 5 MILES
SOUTHWEST OF REDINGS MILL...MOVING NORTH AT 60 MPH. WINDS AROUND 50
MPH ARE EXPECTED WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE AIRPORT DRIVE...ALBA...ARCADIA...ARMA...
CARL JUNCTION...CARTERVILLE...CHEROKEE...ENGLEVALE...FRONTENAC...
GALENA...GIRARD...IRON GATES...JASPER...JOPLIN...LAMAR...LIBERAL...
MINDENMINES...MULBERRY...ORONOGO...PITTSBURG...PURCELL...SCAMMON...
SHOAL CREEK DRIVE...VERDELLA...WEBB CITY AND WEIR.

INTERSTATE 44 BETWEEN MILE MARKERS 0 AND 8 WILL ALSO BE IMPACTED BY
THESE STORMS.

LAT...LON 3786 9480 3753 9415 3687 9462 3687 9463
      3699 9463 3700 9472 3749 9496
TIME...MOT...LOC 1835Z 188DEG 54KT 3755 9487 3702 9458

BOXELL

Local storm report, Mar 19, 1:36 PM CDT, 2 hours 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
136 PM CDT MON MAR 19 2012

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

0100 PM     TSTM WND DMG     3 NW COLUMBUS           37.20N 94.88W
03/19/2012                   CHEROKEE           KS   EMERGENCY MNGR

            BARN BLOWN DOWN REPORTED BY EMERGENCY MANAGER

&&

MGRIFFIN

Special weather statement, Mar 19, 3:19 PM CDT, 49 minutes before

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Special weather statement, Mar 19, 4:08 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
408 PM CDT MON MAR 19 2012

MOZ067-192200-
ST. CLAIR MO-
408 PM CDT MON MAR 19 2012

...SIGNIFICANT WEATHER ADVISORY FOR ST. CLAIR COUNTY UNTIL 500 PM
CDT...

AT 403 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES SOUTHWEST OF
ROSCOE TO 11 MILES SOUTH OF ROSCOE TO 18 MILES SOUTHWEST OF
COLLINS...MOVING NORTHEAST AT 40 MPH. WINDS AROUND 50 MPH ARE
EXPECTED WITH THESE STORMS.

LAT...LON 3815 9350 3792 9351 3791 9357 3785 9357
      3783 9360 3783 9381 3789 9382 3790 9396
      3820 9379 3821 9351
TIME...MOT...LOC 2109Z 219DEG 33KT 3792 9386 3786 9380
          3771 9376

WISE

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 19, 9:32 AM CDT	River Flood Warning	SGF	Cedar	3 days
Mar 19, 9:32 AM CDT	River Flood Warning	SGF	Vernon	7 days
Mar 19, 9:32 AM CDT	River Flood Warning	SGF	Vernon	7 days
Mar 19, 1:35 PM CDT	Special Weather Statement	SGF	Barton	25 min
Mar 19, 3:19 PM CDT	Special Weather Statement	SGF	Vernon	41 min
Mar 19, 3:53 PM CDT	Severe Thunderstorm Warning	SGF	Cedar	31 min

Nearby

Special Weather Statements in Missouri, 2012 Every 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.