Alert archive / North Dakota / Mesoscale Discussions in 2015
Mesoscale Discussion 1372
The Storm Prediction Center issued this mesoscale discussion at Jul 11, 2015, 9:04 PM CDT for 39 counties in North Dakota; 17 counties in South Dakota. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2015, 9:04 PM CDT (02:04 UTC)
- Expired
- Jul 11, 2015, 10:30 PM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 56 counties
Barnes County, ND, Benson County, ND, Bottineau County, ND, Burke County, ND, Burleigh County, ND, Cass County, ND, Cavalier County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grant County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Nelson County, ND, Oliver County, ND, Pierce County, ND, Ramsey County, ND, Ransom County, ND, Renville County, ND, Richland County, ND, Rolette County, ND, Sargent County, ND, Sheridan County, ND, Sioux County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Walsh County, ND, Ward County, ND, Wells County, ND, Brown County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Corson County, SD, Day County, SD, Deuel County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Walworth County, SD
The radar
The Aberdeen radar (KABR), 112 km from the middle of the area, began a volume at 02:09 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, 2.1 hours before the alert went out and 123 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
- 2051 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 1927 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 7.7
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 |
|---|---|---|---|---|
| Jul 12, 2:54 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Cass, Cavalier, Eddy, Foster and 12 more | 96 min |
| Jul 12, 3:06 PM CDT | Severe Thunderstorm Watch | SPC | Barnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 11 more | 7 hr |
| Jul 12, 5:53 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Cass, Cavalier, Eddy, Foster and 13 more | 97 min |
| Jul 12, 3:53 PM CDT | Mesoscale Discussion | SPC | Brookings, Codington, Deuel, Grant, Hamlin, Lake and 4 more | 82 min |
| Jul 12, 5:28 PM CDT | Tornado Watch | SPC | Brookings, Codington, Deuel, Grant, Hamlin, Lake and 3 more | 5 hr |
Nearby
Mesoscale Discussions in North Dakota, 2015Mesoscale Discussions in South Dakota, 2015Every mesoscale discussion in 2015
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.