Alert archive / Kansas / Mesoscale Discussions in 2016
Mesoscale Discussion 1478
The Storm Prediction Center issued this mesoscale discussion at Aug 4, 2016, 4:44 PM CDT for 4 states. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 4, 2016, 4:44 PM CDT (21:44 UTC)
- Expired
- Aug 4, 2016, 7:15 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 53 counties
Adair County, IA, Adams County, IA, Cass County, IA, Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Barton County, KS, Clay County, KS, Cloud County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Jewell County, KS, Kearny County, KS, Lane County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Ness County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Republic County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Smith County, KS, Trego County, KS, Washington County, KS, Atchison County, MO, Cass County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Thayer County, NE
The radar
The Grand Island radar (KUEX), 89 km from the middle of the area, began a volume at 21:48 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 12:00Z, 9.7 hours before the alert went out and 239 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
- 1412 J/kg
- Mixed-layer CIN
- -217 J/kg
- Mixed-layer LCL
- 1518 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 4, 3:58 AM CDT | Mesoscale Discussion | SPC | Dickinson, Osceola | 62 min |
| Aug 4, 12:15 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 11 more | 2 hr |
| Aug 4, 4:44 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 26 more | 6 hr |
| Aug 4, 4:48 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 15 more | 87 min |
Nearby
Mesoscale Discussions in Kansas, 2016Mesoscale Discussions in Nebraska, 2016Mesoscale Discussions in Iowa, 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.