Alert archive / Nebraska / Mesoscale Discussions in 2014

Mesoscale Discussion 1010

June 16, 201436 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 16, 2014, 2:47 AM CDT for 36 counties in Nebraska. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued: Jun 16, 2014, 2:47 AM CDT (07:47 UTC)
Expired: Jun 16, 2014, 4:45 AM CDT
In force: 118 min
Issued by: the Storm Prediction Center

All 36 counties

Adams County, NE, Antelope County, NE, Blaine County, NE, Boone County, NE, Brown County, NE, Buffalo County, NE, Clay County, NE, Custer County, NE, Dawson County, NE, Fillmore County, NE, Garfield County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Holt County, NE, Hooker County, NE, Howard County, NE, Kearney County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, Madison County, NE, McPherson County, NE, Merrick County, NE, Nance County, NE, Phelps County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Rock County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Wheeler County, NE, York County, NE

The radar

The North Platte radar (KLNX), 105 km from the middle of the area, began a volume at 07:49 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

Omaha, NE (KOAX), launched 00:00Z, 7.8 hours before the alert went out and 253 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: 2 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 2010 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 16, 7:12 AM CDT	Severe Thunderstorm Watch	SPC	Antelope, Boone, Boyd, Burt, Butler, Cass and 44 more	9 hr
Jun 16, 10:19 AM CDT	Mesoscale Discussion	SPC	Burt, Cass, Cedar, Colfax, Cuming, Dakota and 21 more	116 min
Jun 16, 2:13 PM CDT	Mesoscale Discussion	SPC	Adams, Antelope, Blaine, Boone, Boyd, Brown and 50 more	62 min
Jun 16, 3:07 PM CDT	Tornado Watch PDS	SPC	Antelope, Blaine, Boone, Boyd, Brown, Buffalo and 35 more	7 hr
Jun 16, 3:50 PM CDT	Mesoscale Discussion	SPC	Adams, Buffalo, Dawson, Franklin, Frontier, Furnas and 7 more	115 min
Jun 16, 4:03 PM CDT	Mesoscale Discussion	SPC	Box Butte, Cherry, Dawes, Sheridan, Sioux	117 min
Jun 16, 4:32 PM CDT	Mesoscale Discussion	SPC	Cuming, Thurston	58 min
Jun 16, 6:50 PM CDT	Mesoscale Discussion	SPC	Garfield, Wheeler	55 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.