Alert archive / North Dakota / Mesoscale Discussions in 2018
Mesoscale Discussion 994
The Storm Prediction Center issued this mesoscale discussion at Jul 3, 2018, 4:15 AM CDT for 5 counties in Minnesota; 32 counties in North Dakota; 16 counties in South Dakota. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 2018, 4:15 AM CDT (09:15 UTC)
- Expired
- Jul 3, 2018, 5:45 AM CDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
All 53 counties
Big Stone County, MN, Clay County, MN, Norman County, MN, Traverse County, MN, Wilkin County, MN, Adams County, ND, Barnes County, ND, Billings County, ND, Bowman County, ND, Burleigh County, ND, Cass County, ND, Dickey County, ND, Dunn County, ND, Emmons County, ND, Foster County, ND, Grant County, ND, Griggs County, ND, Hettinger County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Oliver County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Sheridan County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Wells County, ND, Brown County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Corson County, SD, Day County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hand County, SD, Marshall County, SD, McPherson County, SD, Perkins County, SD, Roberts County, SD, Spink County, SD, Walworth County, SD
The radar
The Bismarck radar (KBIS), 99 km from the middle of the area, began a volume at 09:16 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 9.3 hours before the alert went out and 96 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
- 86 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 2084 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 2, 7:36 PM CDT | Severe Thunderstorm Watch | SPC | Big Stone, Traverse, Wilkin | 9 hr |
| Jul 2, 9:50 PM CDT | Mesoscale Discussion | SPC | Traverse, Wilkin | 115 min |
| Jul 2, 11:32 PM CDT | Mesoscale Discussion | SPC | Becker, Big Stone, Cass, Chippewa, Clay, Douglas and 14 more | 88 min |
| Jul 3, 1:59 AM CDT | Severe Thunderstorm Watch | SPC | Big Stone, Clay, Norman, Traverse, Wilkin | 7 hr |
| Jul 3, 7:01 AM CDT | Mesoscale Discussion | SPC | Becker, Cass, Clay, Clearwater, Douglas, Grant and 8 more | 119 min |
| Jul 3, 6:16 PM CDT | Mesoscale Discussion | SPC | Big Stone, Lac qui Parle, Lincoln, Traverse, Wilkin | 2 hr |
| Jul 3, 12:01 AM CDT | Mesoscale Discussion | SPC | Adams, Bowman, Golden Valley, Grant, Hettinger, Slope and 1 more | 89 min |
| Jul 3, 3:25 PM CDT | Mesoscale Discussion | SPC | Lawrence | 2 hr |
| Jul 3, 5:42 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more | 7 hr |
| Jul 3, 6:42 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Clark, Day, Edmunds, Faulk, Hand and 8 more | 4 hr |
Nearby
Mesoscale Discussions in North Dakota, 2018Mesoscale Discussions in South Dakota, 2018Mesoscale Discussions in Minnesota, 2018Every mesoscale discussion in 2018
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.