Alert archive / Kansas / Mesoscale Discussions in 2010

Mesoscale Discussion 930

June 13, 201010 counties in Kansas; 7 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2010, 6:18 PM CDT for 10 counties in Kansas; 7 counties in Oklahoma. It was in force for 27 min.

The area

The outline as issued.

The facts

Issued: Jun 13, 2010, 6:18 PM CDT (23:18 UTC)
Expired: Jun 13, 2010, 6:45 PM CDT
In force: 27 min
Issued by: the Storm Prediction Center

Counties Butler County, KS, Chase County, KS, Cowley County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Marion County, KS, Reno County, KS, Sedgwick County, KS, Sumner County, KS, Alfalfa County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Major County, OK, Noble County, OK, Pawnee County, OK

The radar

The Wichita radar (KICT), 24 km from the middle of the area, began a volume at 23:18 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 314Jun 13, 6:30 PM CDT

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 11.3 hours before the alert went out and 98 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: 1654 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 848 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.4

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
Jun 12, 9:20 PM CDT	Mesoscale Discussion	SPC	Barton, Clark, Comanche, Edwards, Ellis, Ellsworth and 34 more	55 min
Jun 12, 9:50 PM CDT	Severe Thunderstorm Watch	SPC	Clark, Finney, Ford, Gove, Grant, Gray and 17 more	6 hr
Jun 13, 1:02 AM CDT	Mesoscale Discussion	SPC	Clark, Ford, Meade, Seward, Stevens	58 min
Jun 13, 2:29 AM CDT	Mesoscale Discussion	SPC	Atchison, Chase, Harvey, Jackson, Jefferson, Kingman and 8 more	91 min
Jun 13, 3:19 AM CDT	Mesoscale Discussion	SPC	Clark, Ford, Meade	26 min
Jun 13, 12:30 PM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Cherokee, Crawford, Labette, Linn and 1 more	30 min
Jun 13, 12:47 PM CDT	Severe Thunderstorm Watch	SPC	Bourbon, Crawford, Linn, Miami	5 hr
Jun 13, 1:27 PM CDT	Mesoscale Discussion	SPC	Barber, Butler, Chautauqua, Clark, Comanche, Cowley and 10 more	2 hr
Jun 13, 2:02 PM CDT	Tornado Watch	SPC	Barber, Clark, Comanche, Edwards, Ford, Gray and 7 more	8 hr
Jun 13, 3:38 PM CDT	Severe Thunderstorm Watch	SPC	Clay, Cloud, Decatur, Ellis, Gove, Graham and 18 more	3 hr
Jun 13, 3:41 PM CDT	Mesoscale Discussion	SPC	Bourbon, Crawford, Labette, Neosho, Wilson	64 min
Jun 13, 5:58 PM CDT	Mesoscale Discussion	SPC	Comanche	2 hr
Jun 13, 6:28 PM CDT	Severe Thunderstorm Watch	SPC	Butler, Chase, Cowley, Harper, Harvey, Kingman and 6 more	7 hr
Jun 13, 4:37 PM CDT	Severe Thunderstorm Watch	SPC	Beckham, Custer, Greer, Harmon, Jackson, Kiowa and 2 more	7 hr

Nearby

Mesoscale Discussions in Kansas, 2010 Mesoscale Discussions in Oklahoma, 2010 Every mesoscale discussion in 2010

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.