Alert archive / North Dakota / Mesoscale Discussions in 2016
Mesoscale Discussion 1600
The Storm Prediction Center issued this mesoscale discussion at Aug 27, 2016, 1:32 PM CDT for 10 counties in Minnesota; 15 counties in North Dakota; 7 counties in South Dakota. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Aug 27, 2016, 1:32 PM CDT (18:32 UTC)
- Expired
- Aug 27, 2016, 3:30 PM CDT
- In force
- 118 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 32 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, Wilkin County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, Eddy County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, LaMoure County, ND, Nelson County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Brown County, SD, Codington County, SD, Day County, SD, Grant County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD
The radar
The Aberdeen radar (KABR), 105 km from the middle of the area, began a volume at 18:33 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, 6.5 hours before the alert went out and 158 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
- 91 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 906 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Aug 27, 4:05 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Clay, Mahnomen, Marshall, Norman, Otter Tail and 4 more | 5 hr |
| Aug 27, 5:31 PM CDT | Mesoscale Discussion | SPC | Becker, Clay, Kittson, Mahnomen, Marshall, Norman and 5 more | 89 min |
Nearby
Mesoscale Discussions in North Dakota, 2016Mesoscale Discussions in Minnesota, 2016Mesoscale Discussions in South 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.