Alert archive / North Dakota / Mesoscale Discussions in 2018
Mesoscale Discussion 1015
The Storm Prediction Center issued this mesoscale discussion at Jul 7, 2018, 10:44 PM MDT for 18 counties in North Dakota; Corson County, Perkins County, South Dakota. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2018, 10:44 PM MDT (04:44 UTC)
- Expired
- Jul 8, 2018, 12:45 AM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
Counties Adams County, ND, Barnes County, ND, Burleigh County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grant County, ND, Griggs County, ND, Hettinger County, ND, Kidder County, ND, Logan County, ND, Morton County, ND, Nelson County, ND, Oliver County, ND, Sioux County, ND, Steele County, ND, Stutsman County, ND, Wells County, ND, Corson County, SD, Perkins County, SD
The radar
The Bismarck radar (KBIS), 30 km from the middle of the area, began a volume at 04:45 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 00:00Z, 4.7 hours before the alert went out and 27 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
- 2704 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 1745 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
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 7, 7:55 PM MDT | Mesoscale Discussion | SPC | Adams, Bowman, Burleigh, Emmons, Foster, Grant and 8 more | 65 min |
| Jul 7, 8:41 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Bowman, Burleigh, Dunn, Emmons, Foster and 14 more | 7 hr |
| Jul 8, 1:35 AM MDT | Mesoscale Discussion | SPC | Barnes, Cass, Eddy, Foster, Grand Forks, Griggs and 10 more | 85 min |
| Jul 8, 2:14 AM MDT | Severe Thunderstorm Watch | SPC | Benson, Cavalier, Eddy, Grand Forks, Griggs, Nelson and 5 more | 5 hr |
| Jul 8, 12:16 PM MDT | Mesoscale Discussion | SPC | Barnes, Cass, Dickey, Griggs, LaMoure, Logan and 7 more | 2 hr |
| Jul 8, 2:52 PM MDT | Severe Thunderstorm Watch | SPC | Barnes, Cass, Dickey, LaMoure, Ransom, Richland and 1 more | 7 hr |
| Jul 8, 4:46 PM MDT | Mesoscale Discussion | SPC | Barnes, Cass, Dickey, LaMoure, Ransom, Richland and 1 more | 119 min |
Nearby
Mesoscale Discussions in North Dakota, 2018Mesoscale Discussions in South Dakota, 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.