Alert archive / South Dakota / Mesoscale Discussions in 2016
Mesoscale Discussion 1659
The Storm Prediction Center issued this mesoscale discussion at Sep 7, 2016, 5:44 PM CDT for 11 counties in Minnesota; 7 counties in North Dakota; 12 counties in South Dakota. It was in force for 61 min.
The area
The outline as issued.
The facts
- Issued
- Sep 7, 2016, 5:44 PM CDT (22:44 UTC)
- Expired
- Sep 7, 2016, 6:45 PM CDT
- In force
- 61 min
- Issued by
- the Storm Prediction Center
All 30 counties
Becker County, MN, Big Stone County, MN, Clay County, MN, Douglas County, MN, Grant County, MN, Norman County, MN, Otter Tail County, MN, Stevens County, MN, Traverse County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, LaMoure County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Brown County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD, Spink County, SD
The radar
The Aberdeen radar (KABR), 109 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 157 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
- 1126 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 134 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 |
|---|---|---|---|---|
| Sep 6, 8:16 PM CDT | Mesoscale Discussion | SPC | Houston | 89 min |
| Sep 7, 2:11 PM CDT | Mesoscale Discussion | SPC | Becker, Big Stone, Clay, Grant, Norman, Otter Tail and 3 more | 2 hr |
| Sep 7, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Big Stone, Clay, Grant, Hubbard, Mahnomen and 5 more | 6 hr |
Nearby
Mesoscale Discussions in South Dakota, 2016Mesoscale Discussions in Minnesota, 2016Mesoscale Discussions in North Dakota, 2016Every 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.