Alert archive / Kansas / Mesoscale Discussions in 2013

Mesoscale Discussion 601

May 7, 201310 counties in Kansas; 5 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 7, 2013, 9:36 PM CDT for 10 counties in Kansas; 5 counties in Oklahoma. It was in force for 54 min.

The area

The outline as issued.

The facts

Issued: May 7, 2013, 9:36 PM CDT (02:36 UTC)
Expired: May 7, 2013, 10:30 PM CDT
In force: 54 min
Issued by: the Storm Prediction Center

Counties Barber County, KS, Barton County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Kiowa County, KS, Pawnee County, KS, Pratt County, KS, Rush County, KS, Stafford County, KS, Alfalfa County, OK, Blaine County, OK, Dewey County, OK, Major County, OK, Woods County, OK

The radar

The Dodge City radar (KDDC), 75 km from the middle of the area, began a volume at 02:38 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

Dodge City, (KDDC), launched 00:00Z, 2.6 hours before the alert went out and 69 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: 77 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 2294 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 229 m²/s²
0-3 km storm-relative helicity: 439 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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
May 7, 7:41 PM CDT	Mesoscale Discussion	SPC	Barber, Barton, Clark, Comanche, Edwards, Ellis and 10 more	94 min
May 8, 2:06 PM CDT	Mesoscale Discussion	SPC	Finney, Grant, Greeley, Hamilton, Haskell, Kearny and 9 more	24 min
May 8, 2:19 PM CDT	Mesoscale Discussion	SPC	Comanche	56 min
May 8, 2:25 PM CDT	Severe Thunderstorm Watch	SPC	Finney, Gove, Grant, Gray, Greeley, Hamilton and 14 more	8 hr
May 8, 3:20 PM CDT	Severe Thunderstorm Watch	SPC	Barber, Barton, Butler, Chase, Chautauqua, Clark and 29 more	8 hr
May 8, 5:17 PM CDT	Mesoscale Discussion	SPC	Finney, Gove, Grant, Greeley, Hamilton, Haskell and 11 more	58 min
May 8, 5:58 PM CDT	Mesoscale Discussion	SPC	Barber, Butler, Chase, Chautauqua, Comanche, Cowley and 11 more	92 min

Nearby

Mesoscale Discussions in Kansas, 2013 Mesoscale Discussions in Oklahoma, 2013 Every mesoscale discussion in 2013

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.