Alert archive / North Dakota / Mesoscale Discussions in 2015

Mesoscale Discussion 1076

June 19, 20158 counties in Montana; 34 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2015, 4:48 PM MDT for 8 counties in Montana; 34 counties in North Dakota. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued: Jun 19, 2015, 4:48 PM MDT (22:48 UTC)
Expired: Jun 19, 2015, 5:45 PM MDT
In force: 57 min
Issued by: the Storm Prediction Center

All 42 counties

Dawson County, MT, Fallon County, MT, McCone County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Sheridan County, MT, Wibaux County, MT, Adams County, ND, Benson County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Divide County, ND, Dunn County, ND, Emmons County, ND, Foster County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Pierce County, ND, Renville County, ND, Sheridan County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Stutsman County, ND, Ward County, ND, Wells County, ND, Williams County, ND

The radar

The Minot AFB radar (KMBX), 108 km from the middle of the area, began a volume at 22:51 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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.8 hours before the alert went out and 149 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 978 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 407 m²/s²
0-3 km storm-relative helicity: 413 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 18, 8:10 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carbon, Powder River, Rosebud, Stillwater, Treasure and 1 more	65 min
Jun 18, 11:02 PM MDT	Severe Thunderstorm Watch	SPC	Carter, Powder River	3 hr
Jun 19, 12:53 PM MDT	Mesoscale Discussion	SPC	Blaine, Daniels, Dawson, Fergus, Garfield, McCone and 7 more	2 hr
Jun 19, 2:01 PM MDT	Severe Thunderstorm Watch	SPC	Daniels, Dawson, Garfield, McCone, Prairie, Richland and 4 more	9 hr
Jun 19, 2:04 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more	116 min
Jun 19, 2:51 PM MDT	Tornado Watch	SPC	Big Horn, Carbon, Carter, Custer, Fallon, Musselshell and 5 more	7 hr

Nearby

Mesoscale Discussions in North Dakota, 2015 Mesoscale Discussions in Montana, 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.