Alert archive / Missouri / Special Weather Statements in 2012

Special Weather Statement, NWS Springfield, MO

April 14, 2012Morgan County, Missouri

NWS Springfield, MO issued this special weather statement at Apr 14, 2012, 1:11 AM CDT for Morgan County, Missouri. It was in force for 49 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: Apr 14, 2012, 1:11 AM CDT (06:11 UTC)
Expired: Apr 14, 2012, 2:00 AM CDT
In force: 49 min
Issued by: NWS Springfield, MO

County Morgan County, MO

The radar

The Springfield radar (KSGF), 117 km from the middle of the area, began a volume at 06:13 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 00:00Z, 6.2 hours before the alert went out and 165 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: 677 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 838 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

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 Apr 14, 12:21 AM CDT, 50 minutes earlier.

Area forecast discussion, Apr 14, 12:21 AM CDT, 50 minutes before

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Hazardous weather outlook, Apr 13, 9:35 PM CDT, 3 hours 36 minutes before

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In the hours before

Local storm report, Apr 13, 8:46 PM CDT, 4 hours 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
846 PM CDT FRI APR 13 2012

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

0745 PM     HAIL             4 ENE RED OAK           37.25N 93.94W
04/13/2012  E1.75 INCH       LAWRENCE           MO   TRAINED SPOTTER

&&

JCOLUCCI

Local storm report, Apr 13, 9:04 PM CDT, 4 hours 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
904 PM CDT FRI APR 13 2012

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

0904 PM     HAIL             BATTLEFIELD             37.12N 93.37W
04/13/2012  M0.50 INCH       GREENE             MO   LAW ENFORCEMENT

&&

MGRIFFIN

Local storm report, Apr 13, 9:56 PM CDT, 3 hours 15 minutes before

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Local storm report, Apr 13, 10:34 PM CDT, 2 hours 37 minutes before

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Local storm report, Apr 14, 12:24 AM CDT, 47 minutes before

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Special weather statement, Apr 14, 1:11 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 7:03 PM CDT	Special Weather Statement	SGF	Dade	42 min
Apr 13, 7:15 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Jasper, Lawrence	45 min
Apr 13, 7:59 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Lawrence	31 min
Apr 13, 8:18 PM CDT	Special Weather Statement	SGF	Greene	42 min
Apr 13, 8:28 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Dallas, Greene, Polk	25 min
Apr 13, 8:35 PM CDT	Severe Thunderstorm Warning	SGF	Greene	24 min
Apr 13, 9:10 PM CDT	Flash Flood Watch	SGF	Barton, Benton, Camden, Cedar, Dade, Dallas and 11 more	13 hr
Apr 13, 9:24 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade, Polk	36 min
Apr 13, 9:43 PM CDT	Flash Flood Warning	SGF	Camden, Maries, Miller, Morgan	6 hr
Apr 13, 11:00 PM CDT	Flash Flood Warning	SGF	Phelps, Pulaski	5 hr
Apr 14, 4:01 AM CDT	Areal Flood Warning	SGF	Camden, Maries, Miller, Morgan, Phelps, Pulaski	12 hr
Apr 14, 5:48 AM CDT	Special Weather Statement	SGF	Jasper	27 min
Apr 14, 7:12 AM CDT	Flash Flood Warning	SGF	Jasper, Lawrence, McDonald, Newton	6 hr
Apr 14, 12:53 PM CDT	Areal Flood Warning	SGF	Jasper, Newton	6 hr
Apr 14, 3:59 PM CDT	Areal Flood Warning	SGF	Benton, Camden, Laclede, Maries, Miller, Morgan and 2 more	9 hr
Apr 14, 4:01 PM CDT	Areal Flood Warning	SGF	Dallas, Polk	9 hr
Apr 14, 5:05 AM CDT	Special Weather Statement	SGF	Cherokee	40 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.