Alert archive / Nebraska / Mesoscale Discussions in 2014

Mesoscale Discussion 800

June 3, 201442 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 3, 2014, 4:54 PM CDT for 42 counties in Nebraska. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Jun 3, 2014, 4:54 PM CDT (21:54 UTC)
Expired: Jun 3, 2014, 6:30 PM CDT
In force: 96 min
Issued by: the Storm Prediction Center

All 42 counties

Adams County, NE, Blaine County, NE, Boone County, NE, Buffalo County, NE, Butler County, NE, Clay County, NE, Custer County, NE, Dawson County, NE, Fillmore County, NE, Franklin County, NE, Frontier County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Jefferson County, NE, Kearney County, NE, Keith County, NE, Lancaster County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Perkins County, NE, Phelps County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Seward County, NE, Sherman County, NE, Thayer County, NE, Thomas County, NE, Valley County, NE, Webster County, NE, Wheeler County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 114 km from the middle of the area, began a volume at 21:57 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.

Tornado Watch 210Jun 3, 6:00 PM CDT

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.9 hours before the alert went out and 131 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: 1655 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 898 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 280 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 5.6

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 3, 3:02 AM CDT	Mesoscale Discussion	SPC	Blaine, Brown, Cherry, Grant, Hooker, Keya Paha and 6 more	118 min
Jun 3, 7:00 AM CDT	Mesoscale Discussion	SPC	Blaine, Brown, Garfield, Greeley, Holt, Howard and 6 more	2 hr
Jun 3, 9:36 AM CDT	Severe Thunderstorm Watch	SPC	Boyd, Brown, Cherry, Holt, Keya Paha, Rock and 2 more	7 hr
Jun 3, 12:07 PM CDT	Mesoscale Discussion	SPC	Antelope, Blaine, Boone, Boyd, Brown, Cedar and 15 more	83 min
Jun 3, 1:12 PM CDT	Tornado Watch	SPC	Adams, Antelope, Blaine, Boone, Brown, Buffalo and 55 more	10 hr
Jun 3, 1:20 PM CDT	Mesoscale Discussion	SPC	Arthur, Banner, Box Butte, Cheyenne, Dawes, Deuel and 7 more	85 min
Jun 3, 2:37 PM CDT	Severe Thunderstorm Watch	SPC	Dawes, Sioux	6 hr
Jun 3, 3:11 PM CDT	Tornado Watch	SPC	Arthur, Box Butte, Cherry, Deuel, Garden, Grant and 10 more	7 hr
Jun 3, 3:48 PM CDT	Mesoscale Discussion	SPC	Antelope, Boone, Burt, Butler, Colfax, Cuming and 18 more	87 min
Jun 3, 4:37 PM CDT	Mesoscale Discussion	SPC	Cass, Douglas, Nemaha, Sarpy, Washington	83 min
Jun 3, 5:59 PM CDT	Tornado Watch	SPC	Adams, Blaine, Boone, Buffalo, Butler, Cass and 43 more	7 hr
Jun 3, 6:40 PM CDT	Mesoscale Discussion	SPC	Dawes, Sioux	65 min

Nearby

Mesoscale Discussions in Nebraska, 2014 Every mesoscale discussion in 2014

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.