Alert archive / South Dakota / Mesoscale Discussions in 2017
Mesoscale Discussion 1008
The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2017, 2:33 AM CDT for 6 counties in North Dakota; 17 counties in South Dakota. It was in force for 57 min.
The area
The outline as issued.
The facts
- Issued
- Jun 13, 2017, 2:33 AM CDT (07:33 UTC)
- Expired
- Jun 13, 2017, 3:30 AM CDT
- In force
- 57 min
- Issued by
- the Storm Prediction Center
All 23 counties
Dickey County, ND, LaMoure County, ND, McIntosh County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Beadle County, SD, Brown County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Day County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hand County, SD, Hyde County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Walworth County, SD
The radar
The Aberdeen radar (KABR), 35 km from the middle of the area, began a volume at 07:35 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 nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 7.6 hours before the alert went out and 95 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
- 2821 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 106 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 13, 2:32 PM CDT | Mesoscale Discussion | SPC | Barnes, Cass, Dickey, LaMoure, McIntosh, Ransom and 2 more | 58 min |
| Jun 13, 5:43 PM CDT | Mesoscale Discussion | SPC | Barnes, Cass, Dickey, Eddy, Emmons, Foster and 12 more | 2 hr |
| Jun 13, 5:56 PM CDT | Severe Thunderstorm Watch | SPC | Barnes, Cass, Dickey, Foster, Grand Forks, Griggs and 12 more | 7 hr |
| Jun 12, 9:02 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 8 more | 58 min |
| Jun 12, 11:14 PM CDT | Mesoscale Discussion | SPC | Beadle, Bennett, Brown, Brule, Buffalo, Campbell and 29 more | 91 min |
| Jun 12, 11:28 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brown, Brule, Buffalo, Clark, Day and 16 more | 6 hr |
| Jun 13, 3:13 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brown, Brule and 29 more | 7 hr |
| Jun 13, 3:46 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Minnehaha, Turner, Union, Yankton | 2 hr |
Nearby
Mesoscale Discussions in South Dakota, 2017Mesoscale Discussions in North 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.