Alert archive / Nebraska / Mesoscale Discussions in 2014
Mesoscale Discussion 1183
The Storm Prediction Center issued this mesoscale discussion at Jun 27, 2014, 10:22 PM CDT for 25 counties in Nebraska; 9 counties in South Dakota. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Jun 27, 2014, 10:22 PM CDT (03:22 UTC)
- Expired
- Jun 27, 2014, 11:15 PM CDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 34 counties
Antelope County, NE, Blaine County, NE, Boone County, NE, Boyd County, NE, Brown County, NE, Buffalo County, NE, Cherry County, NE, Custer County, NE, Dawson County, NE, Garfield County, NE, Greeley County, NE, Holt County, NE, Hooker County, NE, Howard County, NE, Keya Paha County, NE, Knox County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Phelps County, NE, Rock County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Wheeler County, NE, Bennett County, SD, Bon Homme County, SD, Haakon County, SD, Jackson County, SD, Mellette County, SD, Perkins County, SD, Todd County, SD, Tripp County, SD, Ziebach County, SD
The radar
The North Platte radar (KLNX), 108 km from the middle of the area, began a volume at 03:22 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, 3.4 hours before the alert went out and 189 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
- 2656 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 969 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.1
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 27, 7:41 PM CDT | Mesoscale Discussion | SPC | Adams, Antelope, Arthur, Blaine, Boone, Boyd and 35 more | 94 min |
| Jun 27, 7:42 PM CDT | Severe Thunderstorm Watch | SPC | Antelope, Blaine, Boone, Boyd, Brown, Buffalo and 16 more | 4 hr |
| Jun 27, 9:30 PM CDT | Mesoscale Discussion | SPC | Furnas, Red Willow | 60 min |
| Jun 28, 11:26 AM CDT | Mesoscale Discussion | SPC | Richardson | 94 min |
| Jun 28, 5:15 PM CDT | Mesoscale Discussion | SPC | Antelope, Boone, Burt, Butler, Cedar, Colfax and 26 more | 90 min |
Nearby
Mesoscale Discussions in Nebraska, 2014Mesoscale Discussions in South Dakota, 2014Every mesoscale discussion in 2014
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.