Alert archive / North Dakota / Mesoscale Discussions in 2016

Mesoscale Discussion 958

June 17, 2016Kittson County, Marshall County, Minnesota; 9 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 17, 2016, 5:44 AM CDT for Kittson County, Marshall County, Minnesota; 9 counties in North Dakota. It was in force for 61 min.

The area

The outline as issued.

The facts

Issued: Jun 17, 2016, 5:44 AM CDT (10:44 UTC)
Expired: Jun 17, 2016, 6:45 AM CDT
In force: 61 min
Issued by: the Storm Prediction Center

Counties Kittson County, MN, Marshall County, MN, Barnes County, ND, Eddy County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 48 km from the middle of the area, began a volume at 10:45 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 264Jun 17, 7:15 AM CDT

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 10.7 hours before the alert went out and 230 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: 2745 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1725 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.1

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 17, 7:20 AM CDT	Severe Thunderstorm Watch	SPC	Beltrami, Clearwater, Kittson, Lake of the Woods, Marshall, Pennington and 3 more	4 hr
Jun 17, 7:32 AM CDT	Mesoscale Discussion	SPC	Beltrami, Clearwater, Kittson, Lake of the Woods, Mahnomen, Marshall and 5 more	28 min
Jun 17, 9:56 AM CDT	Mesoscale Discussion	SPC	Beltrami, Cass, Clearwater, Douglas, Grant, Hubbard and 4 more	34 min
Jun 17, 2:31 PM CDT	Mesoscale Discussion	SPC	Brown, Chippewa, Cottonwood, Jackson, Kandiyohi, Lac qui Parle and 14 more	89 min
Jun 17, 3:06 PM CDT	Severe Thunderstorm Watch	SPC	Blue Earth, Brown, Carver, Chippewa, Cottonwood, Jackson and 21 more	7 hr
Jun 17, 6:13 PM CDT	Mesoscale Discussion	SPC	Blue Earth, Faribault, Jackson, Martin, Nobles, Pipestone and 2 more	92 min
Jun 17, 12:36 AM CDT	Mesoscale Discussion	SPC	Billings, Bowman, Dunn, Golden Valley, Hettinger, Mercer and 2 more	84 min
Jun 17, 1:26 AM CDT	Severe Thunderstorm Watch	SPC	Adams, Billings, Bowman, Burleigh, Dunn, Emmons and 17 more	6 hr
Jun 17, 3:23 AM CDT	Mesoscale Discussion	SPC	Barnes, Burleigh, Eddy, Foster, Griggs, Kidder and 7 more	97 min

Nearby

Mesoscale Discussions in North Dakota, 2016 Mesoscale Discussions in Minnesota, 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.