Alert archive / Montana / Mesoscale Discussions in 2016
Mesoscale Discussion 1514
The Storm Prediction Center issued this mesoscale discussion at Aug 10, 2016, 2:53 PM MDT for 5 counties in Montana; 5 counties in North Dakota. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- Aug 10, 2016, 2:53 PM MDT (20:53 UTC)
- Expired
- Aug 10, 2016, 4:30 PM MDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
Counties Dawson County, MT, Richland County, MT, Roosevelt County, MT, Sheridan County, MT, Wibaux County, MT, Billings County, ND, Divide County, ND, Golden Valley County, ND, McKenzie County, ND, Williams County, ND
The radar
The Glasgow radar (KGGW), 195 km from the middle of the area, began a volume at 20:53 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, 8.9 hours before the alert went out and 282 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
- 1481 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -183 m²/s²
- 0-3 km storm-relative helicity
- -86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 |
|---|---|---|---|---|
| Aug 9, 8:30 PM MDT | Mesoscale Discussion | SPC | Blaine, Fergus, Garfield, Hill, Petroleum, Phillips | 60 min |
| Aug 9, 6:30 PM MDT | Mesoscale Discussion | SPC | Adams, Bowman, Sioux | 2 hr |
| Aug 9, 8:51 PM MDT | Mesoscale Discussion | SPC | Adams, Dickey, Emmons, Grant, LaMoure, Logan and 4 more | 114 min |
| Aug 9, 9:19 PM MDT | Severe Thunderstorm Watch | SPC | Barnes, Cass, Dickey, Emmons, Kidder, LaMoure and 6 more | 8 hr |
| Aug 10, 12:05 AM MDT | Mesoscale Discussion | SPC | Dickey | 55 min |
| Aug 10, 10:19 AM MDT | Mesoscale Discussion | SPC | Cass, Dickey, LaMoure, McIntosh, Ransom, Richland and 1 more | 2 hr |
| Aug 10, 12:15 PM MDT | Severe Thunderstorm Watch | SPC | Cass, Dickey, Ransom, Richland, Sargent | 7 hr |
| Aug 10, 2:45 PM MDT | Mesoscale Discussion | SPC | Cass, Dickey, LaMoure, McIntosh, Ransom, Richland and 1 more | 2 hr |
| Aug 10, 4:59 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Benson, Billings, Bottineau, Burke, Burleigh and 31 more | 7 hr |
Nearby
Mesoscale Discussions in Montana, 2016Mesoscale Discussions in North 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.