Alert archive / North Dakota / Mesoscale Discussions in 2011
Mesoscale Discussion 1198
The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2011, 6:07 PM CDT for 25 counties in North Dakota. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2011, 6:07 PM CDT (23:07 UTC)
- Expired
- Jun 12, 2011, 7:00 PM CDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 25 counties
Bottineau County, ND, Burke County, ND, Burleigh County, ND, Dunn County, ND, Emmons County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, Logan County, ND, McHenry County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Pierce County, ND, Renville County, ND, Sheridan County, ND, Sioux County, ND, Stark County, ND, Stutsman County, ND, Ward County, ND, Wells County, ND, Williams County, ND
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, 11.1 hours before the alert went out and 98 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
- 592 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 8:11 PM CDT | Mesoscale Discussion | SPC | Adams, Bowman, Hettinger, Slope | 64 min |
| Jun 12, 1:52 PM CDT | Mesoscale Discussion | SPC | Adams, Billings, Bowman, Golden Valley, Hettinger, Slope and 1 more | 53 min |
| Jun 12, 2:49 PM CDT | Tornado Watch | SPC | Adams, Bowman, Hettinger, Slope | 6 hr |
| Jun 12, 6:28 PM CDT | Tornado Watch | SPC | Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 30 more | 6 hr |
Nearby
Mesoscale Discussions in North Dakota, 2011Every mesoscale discussion in 2011
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.