Alert archive / Missouri / Mesoscale Discussions in 2016

Mesoscale Discussion 297

March 30, 20167 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Mar 30, 2016, 10:48 PM CDT for 7 counties in Missouri. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued: Mar 30, 2016, 10:48 PM CDT (03:48 UTC)
Expired: Mar 30, 2016, 11:45 PM CDT
In force: 57 min
Issued by: the Storm Prediction Center

Counties Dallas County, MO, Greene County, MO, Laclede County, MO, Lawrence County, MO, Newton County, MO, Polk County, MO, Webster County, MO

The radar

The Springfield radar (KSGF), 19 km from the middle of the area, began a volume at 03:53 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, 3.8 hours before the alert went out and 64 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: 839 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 319 m²/s²
0-3 km storm-relative helicity: 350 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 30, 7:44 PM CDT	Severe Thunderstorm Watch	SPC	Barry, Barton, Camden, Cedar, Dade, Dallas and 9 more	4 hr
Mar 30, 8:37 PM CDT	Mesoscale Discussion	SPC	Barry, Barton, Cedar, Dade, Jasper, Lawrence and 3 more	53 min
Mar 31, 10:26 AM CDT	Mesoscale Discussion	SPC	Dunklin, Pemiscot	3 hr
Mar 31, 10:58 AM CDT	Severe Thunderstorm Watch	SPC	Dunklin, Mississippi, New Madrid, Pemiscot	5 hr
Mar 31, 12:36 PM CDT	Mesoscale Discussion	SPC	Saint Louis, City of Saint Louis	84 min
Mar 31, 5:09 PM CDT	Mesoscale Discussion	SPC	Mississippi, Scott	96 min

Nearby

Mesoscale Discussions in Missouri, 2016 Every mesoscale discussion in 2016

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.