Alert archive / North Dakota / Mesoscale Discussions in 2016
Mesoscale Discussion 685
The Storm Prediction Center issued this mesoscale discussion at May 22, 2016, 9:06 PM CDT for 36 counties in North Dakota; 13 counties in South Dakota. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- May 22, 2016, 9:06 PM CDT (02:06 UTC)
- Expired
- May 22, 2016, 11:00 PM CDT
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 49 counties
Barnes County, ND, Benson County, ND, Bottineau County, ND, Burleigh County, ND, Cavalier County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grand Forks 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, Morton County, ND, Nelson County, ND, Oliver County, ND, Pembina County, ND, Pierce County, ND, Ramsey County, ND, Ransom County, ND, Renville 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, Buffalo County, SD, Campbell County, SD, Corson County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Hand County, SD, Hyde County, SD, McPherson County, SD, Potter County, SD, Spink County, SD, Walworth County, SD
The radar
The Bismarck radar (KBIS), 116 km from the middle of the area, began a volume at 02:07 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, 2.1 hours before the alert went out and 113 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
- 954 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 1516 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.3
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 |
|---|---|---|---|---|
| May 22, 7:33 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 27 more | 87 min |
| May 22, 8:22 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Davison and 12 more | 7 hr |
| May 22, 9:59 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Hughes, Jackson, Jones, Lyman, Mellette and 4 more | 5 hr |
| May 23, 1:13 AM CDT | Mesoscale Discussion | SPC | Bon Homme, Charles Mix, Clay, Davison, Douglas, Hanson and 8 more | 92 min |
| May 23, 1:58 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Union | 92 min |
Nearby
Mesoscale Discussions in North Dakota, 2016Mesoscale Discussions in South Dakota, 2016Every mesoscale discussion in 2016
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.