Alert archive / Nebraska / Mesoscale Discussions in 2014
Mesoscale Discussion 516
The Storm Prediction Center issued this mesoscale discussion at May 7, 2014, 6:34 PM MDT for 8 counties in Colorado; 16 counties in Nebraska; Laramie County, Wyoming. It was in force for 56 min.
The area
The outline as issued.
The facts
- Issued
- May 7, 2014, 6:34 PM MDT (00:34 UTC)
- Expired
- May 7, 2014, 7:30 PM MDT
- In force
- 56 min
- Issued by
- the Storm Prediction Center
All 25 counties
Larimer County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Arthur County, NE, Banner County, NE, Chase County, NE, Cheyenne County, NE, Deuel County, NE, Dundy County, NE, Garden County, NE, Hayes County, NE, Hitchcock County, NE, Keith County, NE, Kimball County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Morrill County, NE, Perkins County, NE, Laramie County, WY
The radar
The Goodland radar (KGLD), 181 km from the middle of the area, began a volume at 00:34 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
Denver, CO (KDEN), launched 00:00Z, 0.6 hours before the alert went out and 132 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
- 662 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 1719 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.7
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 |
|---|---|---|---|---|
| May 7, 6:26 PM MDT | Severe Thunderstorm Watch | SPC | Blaine, Brown, Buffalo, Custer, Dawson, Garfield and 9 more | 4 hr |
| May 7, 6:48 PM MDT | Mesoscale Discussion | SPC | Cass, Douglas, Gage, Jefferson, Johnson, Lancaster and 7 more | 87 min |
| May 7, 7:18 PM MDT | Severe Thunderstorm Watch | SPC | Cass, Douglas, Gage, Jefferson, Johnson, Lancaster and 7 more | 5 hr |
| May 7, 8:44 PM MDT | Mesoscale Discussion | SPC | Antelope, Boone, Burt, Butler, Cedar, Colfax and 17 more | 91 min |
| May 8, 2:46 AM MDT | Mesoscale Discussion | SPC | Antelope, Cedar, Dixon, Knox, Pierce | 119 min |
| May 8, 11:23 AM MDT | Mesoscale Discussion | SPC | Burt, Cuming, Dakota, Dixon, Douglas, Thurston and 1 more | 2 hr |
| May 8, 12:46 PM MDT | Tornado Watch | SPC | Dakota, Dixon, Thurston | 7 hr |
Nearby
Mesoscale Discussions in Nebraska, 2014Mesoscale Discussions in Colorado, 2014Mesoscale Discussions in Wyoming, 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.