Alert archive / Missouri / Mesoscale Discussions in 2016

Mesoscale Discussion 1268

July 13, 201615 counties in Kansas; 18 counties in Missouri; 13 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jul 13, 2016, 6:57 PM CDT for 15 counties in Kansas; 18 counties in Missouri; 13 counties in Oklahoma. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Jul 13, 2016, 6:57 PM CDT (23:57 UTC)
Expired: Jul 13, 2016, 9:30 PM CDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 46 counties

Allen County, KS, Bourbon County, KS, Butler County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Webster County, MO, Alfalfa County, OK, Craig County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Major County, OK, Noble County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 96 km from the middle of the area, began a volume at 23:58 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, 12.0 hours before the alert went out and 160 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: 1257 J/kg
Mixed-layer CIN: -152 J/kg
Mixed-layer LCL: 1195 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 289 m²/s²
0-3 km storm-relative helicity: 248 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.9

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
Jul 12, 8:27 PM CDT	Mesoscale Discussion	SPC	Anderson, Butler, Chase, Coffey, Douglas, Franklin and 14 more	63 min
Jul 13, 2:33 AM CDT	Mesoscale Discussion	SPC	Ellis, Gove, Graham, Greeley, Lane, Logan and 7 more	117 min
Jul 13, 3:25 AM CDT	Severe Thunderstorm Watch	SPC	Barton, Cheyenne, Decatur, Dickinson, Ellis, Ellsworth and 28 more	7 hr
Jul 13, 6:40 AM CDT	Mesoscale Discussion	SPC	Chase, Coffey, Dickinson, Douglas, Ellsworth, Franklin and 12 more	95 min
Jul 13, 8:07 AM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Chase and 25 more	5 hr
Jul 13, 10:33 AM CDT	Mesoscale Discussion	SPC	Adair, Boone, Caldwell, Carroll, Chariton, Cooper and 23 more	117 min
Jul 13, 11:14 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Audrain, Benton, Boone, Caldwell, Callaway and 56 more	5 hr
Jul 13, 2:10 PM CDT	Mesoscale Discussion	SPC	Sainte Genevieve, City of Saint Louis	65 min
Jul 13, 2:37 PM CDT	Severe Thunderstorm Watch	SPC	Bollinger, Cape Girardeau, Iron, Madison, Perry, Reynolds and 2 more	5 hr
Jul 13, 5:08 PM CDT	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 18 more	2 hr

Nearby

Mesoscale Discussions in Missouri, 2016 Mesoscale Discussions in Kansas, 2016 Mesoscale Discussions in Oklahoma, 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.