Alert archive / South Dakota / Mesoscale Discussions in 2020
Mesoscale Discussion 780
The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2020, 7:42 AM CDT for 9 counties in Minnesota; 8 counties in North Dakota; 10 counties in South Dakota. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2020, 7:42 AM CDT (12:42 UTC)
- Expired
- Jun 2, 2020, 9:15 AM CDT
- In force
- 93 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch unlikely
- Chance of a watch
- 20%
All 27 counties
Big Stone County, MN, Douglas County, MN, Grant County, MN, Lac qui Parle County, MN, Otter Tail County, MN, Stevens County, MN, Swift County, MN, Traverse County, MN, Wilkin County, MN, Dickey County, ND, Emmons County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Brown County, SD, Campbell County, SD, Codington County, SD, Day County, SD, Edmunds County, SD, Grant County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD, Walworth County, SD
The radar
The Aberdeen radar (KABR), 63 km from the middle of the area, began a volume at 12:43 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
Aberdeen, SD (KABR), launched 12:00Z, 0.7 hours before the alert went out and 121 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
- 2636 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 291 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 2, 1:27 PM CDT | Mesoscale Discussion | SPC | Benton, Big Stone, Chippewa, Douglas, Isanti, Kanabec and 14 more | 93 min |
| Jun 2, 3:52 PM CDT | Mesoscale Discussion | SPC | Blue Earth, Brown, Carver, Cottonwood, Dakota, Dodge and 30 more | 113 min |
| Jun 2, 4:39 PM CDT | Severe Thunderstorm Watch | SPC | Blue Earth, Brown, Cottonwood, Dodge, Faribault, Fillmore and 17 more | 5 hr |
| Jun 2, 5:32 PM CDT | Mesoscale Discussion | SPC | Blue Earth, Dodge, Faribault, Fillmore, Freeborn, Goodhue and 10 more | 118 min |
| Jun 2, 4:56 AM CDT | Mesoscale Discussion | SPC | Adams, Bowman, Emmons, Grant, Hettinger, Morton and 3 more | 3 hr |
| Jun 2, 3:23 PM CDT | Mesoscale Discussion | SPC | Fall River | 2 hr |
Nearby
Mesoscale Discussions in South Dakota, 2020Mesoscale Discussions in Minnesota, 2020Mesoscale Discussions in North Dakota, 2020Every mesoscale discussion in 2020
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.