Alert archive / Kansas / Mesoscale Discussions in 2017

Mesoscale Discussion 1016

June 13, 201710 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2017, 3:49 PM CDT for 10 counties in Kansas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 13, 2017, 3:49 PM CDT (20:49 UTC)
Expired: Jun 13, 2017, 6:15 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 40%

Counties Barton County, KS, Ellis County, KS, Ellsworth County, KS, Jewell County, KS, Lincoln County, KS, Mitchell County, KS, Osborne County, KS, Rooks County, KS, Russell County, KS, Smith County, KS

The radar

The Grand Island radar (KUEX), 144 km from the middle of the area, began a volume at 20:51 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 325Jun 13, 5:25 PM CDT

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 8.8 hours before the alert went out and 175 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: 885 J/kg
Mixed-layer CIN: -478 J/kg
Mixed-layer LCL: 1540 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Jun 13, 3:38 PM CDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Edwards, Ford, Gray and 7 more	7 hr
Jun 13, 5:25 PM CDT	Severe Thunderstorm Watch	SPC	Barton, Clay, Cloud, Ellsworth, Jewell, Lincoln and 9 more	8 hr
Jun 13, 6:30 PM CDT	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Edwards, Ford, Gray and 5 more	90 min

Nearby

Mesoscale Discussions in Kansas, 2017 Every mesoscale discussion in 2017

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.