Alert archive / Nebraska / Mesoscale Discussions in 2015
Mesoscale Discussion 1038
The Storm Prediction Center issued this mesoscale discussion at Jun 16, 2015, 6:34 PM MDT for 23 counties in Nebraska; 7 counties in South Dakota. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Jun 16, 2015, 6:34 PM MDT (00:34 UTC)
- Expired
- Jun 16, 2015, 8:00 PM MDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 30 counties
Arthur County, NE, Blaine County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Dawson County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Bennett County, SD, Jackson County, SD, Jones County, SD, Lyman County, SD, Mellette County, SD, Todd County, SD, Tripp County, SD
The radar
The North Platte radar (KLNX), 54 km from the middle of the area, began a volume at 00:38 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.6 hours before the alert went out and 125 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
- 830 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1529 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 10.2
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 |
|---|---|---|---|---|
| Jun 16, 8:00 PM MDT | Mesoscale Discussion | SPC | Dundy, Hitchcock, Red Willow | 90 min |
| Jun 16, 10:23 PM MDT | Mesoscale Discussion | SPC | Adams, Blaine, Buffalo, Clay, Custer, Dawson and 23 more | 37 min |
| Jun 17, 4:20 PM MDT | Mesoscale Discussion | SPC | Banner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more | 55 min |
| Jun 17, 2:32 PM MDT | Mesoscale Discussion | SPC | Custer, Fall River, Lawrence, Oglala Lakota, Pennington | 118 min |
| Jun 17, 5:39 PM MDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 8 more | 9 hr |
Nearby
Mesoscale Discussions in Nebraska, 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.