Alert archive / North Dakota / Mesoscale Discussions in 2016

Mesoscale Discussion 858

June 9, 2016Fallon County, Wibaux County, Montana; 20 counties in North Dakota; Butte County, Harding County, Perkins County, South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 9, 2016, 9:25 PM MDT for Fallon County, Wibaux County, Montana; 20 counties in North Dakota; Butte County, Harding County, Perkins County, South Dakota. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued: Jun 9, 2016, 9:25 PM MDT (03:25 UTC)
Expired: Jun 9, 2016, 11:00 PM MDT
In force: 95 min
Issued by: the Storm Prediction Center

All 25 counties

Fallon County, MT, Wibaux County, MT, Adams County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Dunn County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McHenry County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Renville County, ND, Slope County, ND, Stark County, ND, Ward County, ND, Butte County, SD, Harding County, SD, Perkins County, SD

The radar

The Bismarck radar (KBIS), 174 km from the middle of the area, began a volume at 03:28 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 00:00Z, 3.4 hours before the alert went out and 178 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: 828 J/kg
Mixed-layer CIN: -106 J/kg
Mixed-layer LCL: 2621 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 9, 6:05 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carter, Custer, Daniels, Dawson, Fallon and 22 more	85 min
Jun 10, 2:21 PM MDT	Mesoscale Discussion	SPC	Broadwater, Cascade, Chouteau, Fergus, Gallatin, Golden Valley and 7 more	54 min
Jun 10, 3:06 PM MDT	Severe Thunderstorm Watch	SPC	Blaine, Cascade, Chouteau, Dawson, Fergus, Garfield and 14 more	11 hr
Jun 10, 5:18 PM MDT	Mesoscale Discussion	SPC	Fergus, Garfield, Golden Valley, Judith Basin, Meagher, Musselshell and 2 more	57 min
Jun 9, 6:43 PM MDT	Severe Thunderstorm Watch	SPC	Adams, Billings, Bottineau, Bowman, Burke, Divide and 19 more	7 hr
Jun 9, 10:29 PM MDT	Mesoscale Discussion	SPC	Benson, Cavalier, Eddy, Nelson, Ramsey, Towner and 1 more	61 min
Jun 9, 10:58 PM MDT	Severe Thunderstorm Watch	SPC	Benson, Cavalier, Eddy, Grand Forks, Griggs, Nelson and 6 more	4 hr
Jun 10, 12:14 AM MDT	Mesoscale Discussion	SPC	Cavalier, Eddy, Foster, Griggs, Nelson, Ramsey and 1 more	61 min
Jun 10, 1:59 AM MDT	Mesoscale Discussion	SPC	Grand Forks, Steele, Traill, Walsh	61 min

Nearby

Mesoscale Discussions in North Dakota, 2016 Mesoscale Discussions in South Dakota, 2016 Mesoscale Discussions in Montana, 2016 Every mesoscale discussion in 2016

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.