Alert archive / Montana / Mesoscale Discussions in 2018
Mesoscale Discussion 1036
The Storm Prediction Center issued this mesoscale discussion at Jul 10, 2018, 6:32 PM MDT for 16 counties in Montana; 11 counties in North Dakota. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Jul 10, 2018, 6:32 PM MDT (00:32 UTC)
- Expired
- Jul 10, 2018, 8:30 PM MDT
- In force
- 118 min
- Issued by
- the Storm Prediction Center
All 27 counties
Daniels County, MT, Dawson County, MT, Garfield 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, Wibaux County, MT, Yellowstone County, MT, Billings County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Mountrail County, ND, Ward County, ND, Williams County, ND
The radar
The Glasgow radar (KGGW), 144 km from the middle of the area, began a volume at 00:32 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
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 0.5 hours before the alert went out and 143 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
- 1480 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 2379 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 304 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.0
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 |
|---|---|---|---|---|
| Jul 10, 7:50 PM MDT | Severe Thunderstorm Watch | SPC | Bottineau, Burke, Divide, McHenry, McKenzie, Mountrail and 5 more | 5 hr |
| Jul 10, 10:20 PM MDT | Mesoscale Discussion | SPC | Bottineau, Burke, McHenry, Mountrail, Pierce, Renville and 3 more | 115 min |
| Jul 11, 5:42 PM MDT | Tornado Watch | SPC | Richland | 6 hr |
Nearby
Mesoscale Discussions in Montana, 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.