Alert archive / Nebraska / Mesoscale Discussions in 2014
Mesoscale Discussion 1599
The Storm Prediction Center issued this mesoscale discussion at Aug 22, 2014, 1:45 PM MDT for 5 counties in Colorado; Cheyenne County, Rawlins County, Kansas; 27 counties in Nebraska. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 22, 2014, 1:45 PM MDT (19:45 UTC)
- Expired
- Aug 22, 2014, 3:45 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 34 counties
Kit Carson County, CO, Lincoln County, CO, Phillips County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Rawlins County, KS, Boone County, NE, Buffalo County, NE, Chase County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Frontier County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Hayes County, NE, Hitchcock County, NE, Howard County, NE, Kearney County, NE, Lincoln County, NE, Loup County, NE, Merrick County, NE, Nance County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Sherman County, NE, Valley County, NE, Wheeler County, NE
The radar
The Goodland radar (KGLD), 119 km from the middle of the area, began a volume at 19:47 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.8 hours before the alert went out and 100 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
- 1299 J/kg
- Mixed-layer CIN
- -117 J/kg
- Mixed-layer LCL
- 1036 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
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 |
|---|---|---|---|---|
| Aug 22, 2:25 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Lincoln, Phillips, Sedgwick, Washington and 1 more | 8 hr |
Nearby
Mesoscale Discussions in Nebraska, 2014Mesoscale Discussions in Colorado, 2014Mesoscale Discussions in Kansas, 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.