Alert archive / Minnesota / Mesoscale Discussions in 2017
Mesoscale Discussion 1110
The Storm Prediction Center issued this mesoscale discussion at Jun 21, 2017, 3:35 PM CDT for 25 counties in Minnesota; 12 counties in North Dakota; 7 counties in South Dakota. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 21, 2017, 3:35 PM CDT (20:35 UTC)
- Expired
- Jun 21, 2017, 6:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 44 counties
Becker County, MN, Beltrami County, MN, Big Stone County, MN, Cass County, MN, Clay County, MN, Clearwater County, MN, Douglas County, MN, Grant County, MN, Hubbard County, MN, Kittson County, MN, Koochiching County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Pope County, MN, Red Lake County, MN, Roseau County, MN, Stevens County, MN, Traverse County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, Grand Forks County, ND, LaMoure County, ND, Pembina County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Traill County, ND, Walsh County, ND, Brown County, SD, Day County, SD, Edmunds County, SD, Grant County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD
The radar
The Fargo/Grand Forks radar (KMVX), 60 km from the middle of the area, began a volume at 20:35 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.
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 8.6 hours before the alert went out and 263 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1459 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 5:08 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Beltrami, Big Stone, Clay, Clearwater, Grant and 11 more | 5 hr |
Nearby
Mesoscale Discussions in Minnesota, 2017Mesoscale Discussions in North Dakota, 2017Mesoscale Discussions in South Dakota, 2017Every mesoscale discussion in 2017
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.