Alert archive / Missouri / Mesoscale Discussions in 2011

Mesoscale Discussion 336

April 3, 20115 counties in Kansas; 16 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Apr 3, 2011, 11:02 PM CDT for 5 counties in Kansas; 16 counties in Missouri. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued: Apr 3, 2011, 11:02 PM CDT (04:02 UTC)
Expired: Apr 4, 2011, 12:30 AM CDT
In force: 88 min
Issued by: the Storm Prediction Center

All 21 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Neosho County, KS, Barton County, MO, Camden County, MO, Cedar County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 61 km from the middle of the area, began a volume at 04:05 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, 4.0 hours before the alert went out and 79 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: 342 J/kg
Mixed-layer CIN: -476 J/kg
Mixed-layer LCL: 2436 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 457 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.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 3, 7:26 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Chase, Dickinson, Doniphan, Douglas and 19 more	64 min
Apr 3, 8:15 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Butler and 34 more	60 min
Apr 3, 8:33 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Bourbon, Butler, Chautauqua, Cherokee, Cowley and 8 more	5 hr
Apr 4, 1:29 AM CDT	Mesoscale Discussion	SPC	Cherokee	91 min
Apr 3, 7:44 PM CDT	Mesoscale Discussion	SPC	Clark, Putnam, Schuyler, Scotland	61 min
Apr 3, 8:11 PM CDT	Severe Thunderstorm Watch	SPC	Audrain, Boone, Callaway, Cole, Franklin, Gasconade and 12 more	6 hr
Apr 3, 9:51 PM CDT	Mesoscale Discussion	SPC	Barry, McDonald, Newton	84 min
Apr 3, 10:50 PM CDT	Mesoscale Discussion	SPC	Chariton, Howard, Knox, Lewis, Macon, Marion and 4 more	85 min
Apr 4, 5:48 AM CDT	Mesoscale Discussion	SPC	Oregon, Ripley	117 min
Apr 4, 7:22 AM CDT	Tornado Watch	SPC	Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Mississippi and 7 more	7 hr

Nearby

Mesoscale Discussions in Missouri, 2011 Mesoscale Discussions in Kansas, 2011 Every mesoscale discussion in 2011

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.