Alert archive / North Dakota / Mesoscale Discussions in 2014
Mesoscale Discussion 757
The Storm Prediction Center issued this mesoscale discussion at May 29, 2014, 5:25 PM MDT for 18 counties in North Dakota; 7 counties in South Dakota; Weston County, Wyoming. It was in force for 65 min.
The area
The outline as issued.
The facts
- Issued
- May 29, 2014, 5:25 PM MDT (23:25 UTC)
- Expired
- May 29, 2014, 6:30 PM MDT
- In force
- 65 min
- Issued by
- the Storm Prediction Center
All 26 counties
Adams County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Dunn County, ND, Grant County, ND, Hettinger County, ND, McHenry County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Renville County, ND, Slope County, ND, Stark County, ND, Ward County, ND, Butte County, SD, Custer County, SD, Harding County, SD, Lawrence County, SD, Meade County, SD, Pennington County, SD, Perkins County, SD, Weston County, WY
The radar
The Rapid City radar (KUDX), 186 km from the middle of the area, began a volume at 23:26 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
Rapid City, SD (KRAP), launched 12:00Z, 11.4 hours before the alert went out and 192 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
- 18 J/kg
- Mixed-layer CIN
- -491 J/kg
- Mixed-layer LCL
- 2577 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- -43 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 |
|---|---|---|---|---|
| May 28, 6:28 PM MDT | Mesoscale Discussion | SPC | Divide | 92 min |
| May 28, 8:21 PM MDT | Mesoscale Discussion | SPC | Divide | 114 min |
| May 29, 2:15 PM MDT | Mesoscale Discussion | SPC | Adams, Billings, Bottineau, Bowman, Burke, Dunn and 14 more | 60 min |
| May 29, 2:45 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 15 more | 6 hr |
| May 29, 1:54 PM MDT | Mesoscale Discussion | SPC | Campbell, Converse, Fremont, Goshen, Hot Springs, Johnson and 6 more | 96 min |
Nearby
Mesoscale Discussions in North Dakota, 2014Mesoscale Discussions in South Dakota, 2014Mesoscale Discussions in Wyoming, 2014Every mesoscale discussion in 2014
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.