Alert archive / South Dakota / Mesoscale Discussions in 2016
Mesoscale Discussion 1656
The Storm Prediction Center issued this mesoscale discussion at Sep 7, 2016, 2:11 PM CDT for 9 counties in Minnesota; 17 counties in North Dakota; 26 counties in South Dakota. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 7, 2016, 2:11 PM CDT (19:11 UTC)
- Expired
- Sep 7, 2016, 4:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 52 counties
Becker County, MN, Big Stone County, MN, Clay County, MN, Grant County, MN, Norman County, MN, Otter Tail County, MN, Stevens County, MN, Traverse County, MN, Wilkin County, MN, Barnes County, ND, Burleigh County, ND, Cass County, ND, Dickey County, ND, Emmons County, ND, Foster County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Aurora County, SD, Beadle County, SD, Brown County, SD, Brule County, SD, Buffalo County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Day County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jerauld County, SD, Kingsbury County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Sanborn County, SD, Spink County, SD, Walworth County, SD
The radar
The Aberdeen radar (KABR), 43 km from the middle of the area, began a volume at 19:10 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
Aberdeen, SD (KABR), launched 12:00Z, 7.2 hours before the alert went out and 97 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, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Big Stone, Clay, Grant, Hubbard, Mahnomen and 5 more | 6 hr |
| Sep 7, 5:44 PM CDT | Mesoscale Discussion | SPC | Becker, Big Stone, Clay, Douglas, Grant, Norman and 5 more | 61 min |
Nearby
Mesoscale Discussions in South Dakota, 2016Mesoscale Discussions in North Dakota, 2016Mesoscale Discussions in Minnesota, 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.