Alert archive / Nebraska / Mesoscale Discussions in 2016
Mesoscale Discussion 1579
The Storm Prediction Center issued this mesoscale discussion at Aug 23, 2016, 8:36 PM CDT for 4 states. It was in force for 84 min.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2016, 8:36 PM CDT (01:36 UTC)
- Expired
- Aug 23, 2016, 10:00 PM CDT
- In force
- 84 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 48 counties
Adams County, IA, Audubon County, IA, Cass County, IA, Crawford County, IA, Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Taylor County, IA, Atchison County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Doniphan County, KS, Jackson County, KS, Jefferson County, KS, Marshall County, KS, Nemaha County, KS, Pottawatomie County, KS, Riley County, KS, Washington County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Holt County, MO, Nodaway County, MO, Burt County, NE, Butler County, NE, Cass County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Washington County, NE
The radar
The Omaha radar (KOAX), 129 km from the middle of the area, began a volume at 01:38 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
Omaha, NE (KOAX), launched 00:00Z, 1.6 hours before the alert went out and 129 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
- 2165 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1003 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 400 m²/s²
- Significant tornado parameter
- 2.8
- Supercell composite
- 15.4
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 |
|---|---|---|---|---|
| Aug 24, 3:23 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barber, Bourbon, Butler, Chase and 41 more | 97 min |
| Aug 24, 4:51 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Atchison, Brown, Butler, Chase and 35 more | 6 hr |
Nearby
Mesoscale Discussions in Nebraska, 2016Mesoscale Discussions in Iowa, 2016Mesoscale Discussions in Kansas, 2016Every mesoscale discussion in 2016
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.