Alert archive / North Dakota / Mesoscale Discussions in 2016

Mesoscale Discussion 1368

July 23, 2016Clay County, Norman County, Wilkin County, Minnesota; 14 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 23, 2016, 9:25 AM CDT for Clay County, Norman County, Wilkin County, Minnesota; 14 counties in North Dakota. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Jul 23, 2016, 9:25 AM CDT (14:25 UTC)
Expired: Jul 23, 2016, 12:00 PM CDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 40%

Counties Clay County, MN, Norman County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, Foster County, ND, Griggs County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 100 km from the middle of the area, began a volume at 14:27 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, 2.4 hours before the alert went out and 202 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: 12 J/kg
Mixed-layer CIN: -509 J/kg
Mixed-layer LCL: 1691 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 322 m²/s²
0-3 km storm-relative helicity: 599 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.0

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
Jul 23, 8:58 AM CDT	Mesoscale Discussion	SPC	Carver, Dakota, Dodge, Fillmore, Goodhue, Hennepin and 18 more	3 hr
Jul 23, 1:41 PM CDT	Mesoscale Discussion	SPC	Big Stone, Chippewa, Douglas, Grant, Kandiyohi, Lac qui Parle and 13 more	3 hr
Jul 23, 3:54 PM CDT	Mesoscale Discussion	SPC	Becker, Big Stone, Chippewa, Clay, Douglas, Grant and 10 more	3 hr
Jul 22, 9:38 PM CDT	Mesoscale Discussion	SPC	Adams, Billings, Bowman, Burleigh, Dunn, Emmons and 12 more	2 hr

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.