Alert archive / North Dakota / Mesoscale Discussions in 2016
Mesoscale Discussion 1462
The Storm Prediction Center issued this mesoscale discussion at Aug 1, 2016, 2:38 PM CDT for 13 counties in North Dakota; 11 counties in South Dakota. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 1, 2016, 2:38 PM CDT (19:38 UTC)
- Expired
- Aug 1, 2016, 4:45 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 24 counties
Barnes County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Nelson County, ND, Steele County, ND, Stutsman County, ND, Brown County, SD, Campbell County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Hand County, SD, Hyde County, SD, McPherson County, SD, Potter County, SD, Sully County, SD, Walworth County, SD
The radar
The Bismarck radar (KBIS), 105 km from the middle of the area, began a volume at 19:39 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
Bismarck Municip, ND (KBIS), launched 12:00Z, 7.6 hours before the alert went out and 102 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
- 248 J/kg
- Mixed-layer CIN
- -388 J/kg
- Mixed-layer LCL
- 2111 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 83 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 |
|---|---|---|---|---|
| Jul 31, 8:46 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 20 more | 89 min |
| Aug 1, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | Barnes, Benson, Burleigh, Cass, Cavalier, Dickey and 24 more | 8 hr |
| Aug 1, 6:42 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Burleigh, Cass, Dickey, Eddy and 20 more | 2 hr |
| Aug 1, 4:43 PM CDT | Mesoscale Discussion | SPC | Custer, Fall River, Lawrence, Oglala Lakota, Pennington | 3 hr |
Nearby
Mesoscale Discussions in North Dakota, 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.