Alert archive / Kansas / Mesoscale Discussions in 2016

Mesoscale Discussion 1260

July 13, 201613 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Jul 13, 2016, 2:33 AM CDT for 13 counties in Kansas. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued: Jul 13, 2016, 2:33 AM CDT (07:33 UTC)
Expired: Jul 13, 2016, 4:30 AM CDT
In force: 117 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

Counties Ellis County, KS, Gove County, KS, Graham County, KS, Greeley County, KS, Lane County, KS, Logan County, KS, Ness County, KS, Rush County, KS, Scott County, KS, Sherman County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS

The radar

The Goodland radar (KGLD), 55 km from the middle of the area, began a volume at 07:36 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 376Jul 13, 3:25 AM CDT

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 7.6 hours before the alert went out and 183 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: 1850 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 1690 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: 0 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -1.1

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, 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, 6:57 PM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Butler, Chautauqua, Cherokee, Cowley and 9 more	3 hr

Nearby

Mesoscale Discussions in Kansas, 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.