Alert archive / Minnesota / Mesoscale Discussions in 2015

Mesoscale Discussion 1306

July 5, 201528 counties in Minnesota; 6 counties in North Dakota; 8 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2015, 1:19 PM CDT for 28 counties in Minnesota; 6 counties in North Dakota; 8 counties in South Dakota. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Jul 5, 2015, 1:19 PM CDT (18:19 UTC)
Expired: Jul 5, 2015, 2:45 PM CDT
In force: 86 min
Issued by: the Storm Prediction Center

All 42 counties

Becker County, MN, Beltrami County, MN, Big Stone County, MN, Cass County, MN, Chippewa County, MN, Clay County, MN, Clearwater County, MN, Crow Wing County, MN, Douglas County, MN, Grant County, MN, Hubbard County, MN, Itasca County, MN, Lac qui Parle County, MN, Mahnomen County, MN, Morrison County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Pope County, MN, Red Lake County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Traill County, ND, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Marshall County, SD, Roberts County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 143 km from the middle of the area, began a volume at 18:21 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

International Fa, MN (KINL), launched 12:00Z, 6.3 hours before the alert went out and 316 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: 33 J/kg
Mixed-layer CIN: -226 J/kg
Mixed-layer LCL: 1278 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 36 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
Jul 5, 9:54 AM CDT	Mesoscale Discussion	SPC	Becker, Beltrami, Cass, Clay, Clearwater, Hubbard and 6 more	96 min
Jul 5, 10:40 AM CDT	Severe Thunderstorm Watch	SPC	Becker, Beltrami, Clay, Clearwater, Hubbard, Mahnomen and 5 more	7 hr
Jul 5, 3:46 PM CDT	Mesoscale Discussion	SPC	Lincoln, Murray, Nobles, Pipestone, Rock	119 min
Jul 5, 5:02 PM CDT	Mesoscale Discussion	SPC	Aitkin, Carlton, Cass, Cook, Crow Wing, Itasca and 2 more	118 min
Jul 5, 2:06 AM CDT	Mesoscale Discussion	SPC	Billings, Golden Valley, McKenzie	54 min
Jul 5, 4:51 PM CDT	Severe Thunderstorm Watch	SPC	Aurora, Beadle, Bennett, Brule, Buffalo, Charles Mix and 11 more	7 hr

Nearby

Mesoscale Discussions in Minnesota, 2015 Mesoscale Discussions in South Dakota, 2015 Mesoscale Discussions in North Dakota, 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.