Alert archive / Nebraska / Mesoscale Discussions in 2015

Mesoscale Discussion 960

June 10, 201517 counties in Kansas; 38 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2015, 2:02 PM CDT for 17 counties in Kansas; 38 counties in Nebraska. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued: Jun 10, 2015, 2:02 PM CDT (19:02 UTC)
Expired: Jun 10, 2015, 4:00 PM CDT
In force: 118 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

All 55 counties

Cheyenne County, KS, Decatur County, KS, Gove County, KS, Graham County, KS, Lane County, KS, Logan County, KS, Norton County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Smith County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Adams County, NE, Arthur County, NE, Blaine County, NE, Brown County, NE, Buffalo County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Grant County, NE, Greeley County, NE, Hall County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Howard County, NE, Kearney County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Rock County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Webster County, NE

The radar

The North Platte radar (KLNX), 156 km from the middle of the area, began a volume at 19:04 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 282Jun 10, 2:35 PM CDT

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.0 hours before the alert went out and 64 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: 338 J/kg
Mixed-layer CIN: -224 J/kg
Mixed-layer LCL: 2523 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: -29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 10, 2:37 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Blaine, Boyd, Brown, Buffalo, Cherry and 36 more	9 hr
Jun 10, 3:13 PM CDT	Mesoscale Discussion	SPC	Butler, Cass, Colfax, Douglas, Johnson, Lancaster and 10 more	92 min
Jun 10, 6:18 PM CDT	Mesoscale Discussion	SPC	Antelope, Boone, Burt, Butler, Colfax, Cuming and 18 more	87 min

Nearby

Mesoscale Discussions in Nebraska, 2015 Mesoscale Discussions in Kansas, 2015 Every mesoscale discussion in 2015

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.