Alert archive / South Dakota / Mesoscale Discussions in 2018
Mesoscale Discussion 736
The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2018, 5:15 PM MDT for 10 counties in North Dakota; 15 counties in South Dakota. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Jun 14, 2018, 5:15 PM MDT (23:15 UTC)
- Expired
- Jun 14, 2018, 6:45 PM MDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
All 25 counties
Adams County, ND, Bowman County, ND, Burleigh County, ND, Emmons County, ND, Grant County, ND, Hettinger County, ND, Morton County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Butte County, SD, Campbell County, SD, Corson County, SD, Dewey County, SD, Haakon County, SD, Harding County, SD, Hughes County, SD, Meade County, SD, Pennington County, SD, Perkins County, SD, Potter County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD, Ziebach County, SD
The radar
The Rapid City radar (KUDX), 127 km from the middle of the area, began a volume at 23:14 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 12:00Z, 11.3 hours before the alert went out and 211 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
- 1545 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 |
|---|---|---|---|---|
| Jun 14, 1:54 PM MDT | Mesoscale Discussion | SPC | Benson, Bottineau, Burke, Divide, McHenry, McKenzie and 9 more | 96 min |
| Jun 14, 1:58 PM MDT | Mesoscale Discussion | SPC | Adams, Grant, Hettinger | 62 min |
| Jun 14, 2:40 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Bowman, Burleigh, Emmons, Grant, Hettinger and 7 more | 8 hr |
| Jun 14, 2:40 PM MDT | Tornado Watch | SPC | Bottineau, Burke, Divide, Dunn, McHenry, McKenzie and 10 more | 7 hr |
| Jun 14, 4:27 PM MDT | Mesoscale Discussion | SPC | Cavalier, Pembina, Towner | 93 min |
| Jun 14, 5:41 PM MDT | Mesoscale Discussion | SPC | Billings, Bottineau, Burke, Divide, Dunn, McHenry and 11 more | 94 min |
| Jun 13, 10:56 PM MDT | Mesoscale Discussion | SPC | Clay, Hanson, Lake, Lincoln, McCook, Miner and 4 more | 3 hr |
Nearby
Mesoscale Discussions in South Dakota, 2018Mesoscale Discussions in North 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.