Alert archive / Montana / Mesoscale Discussions in 2016
Mesoscale Discussion 1047
The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2016, 3:51 PM MDT for 21 counties in Montana; 5 counties in North Dakota. It was in force for 84 min.
The area
The outline as issued.
The facts
- Issued
- Jun 24, 2016, 3:51 PM MDT (21:51 UTC)
- Expired
- Jun 24, 2016, 5:15 PM MDT
- In force
- 84 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 26 counties
Blaine County, MT, Daniels County, MT, Dawson County, MT, Fergus County, MT, Garfield County, MT, Golden Valley County, MT, Judith Basin County, MT, McCone County, MT, Musselshell County, MT, Petroleum County, MT, Phillips County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Rosebud County, MT, Sheridan County, MT, Treasure County, MT, Valley County, MT, Wheatland County, MT, Wibaux County, MT, Yellowstone County, MT, Burke County, ND, Divide County, ND, Golden Valley County, ND, McKenzie County, ND, Williams County, ND
The radar
The Glasgow radar (KGGW), 65 km from the middle of the area, began a volume at 21:55 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
Great_falls, MT (KTFX), launched 12:00Z, 9.9 hours before the alert went out and 341 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
- 1853 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 24, 12:52 PM MDT | Mesoscale Discussion | SPC | Broadwater, Cascade, Chouteau, Fergus, Golden Valley, Jefferson and 4 more | 83 min |
| Jun 24, 4:16 PM MDT | Severe Thunderstorm Watch | SPC | Custer, Daniels, Dawson, Fallon, Garfield, Golden Valley and 11 more | 8 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.