Alert archive / Kansas / Mesoscale Discussions in 2015
Mesoscale Discussion 1645
The Storm Prediction Center issued this mesoscale discussion at Aug 8, 2015, 3:57 PM CDT for 23 counties in Kansas; 9 counties in Nebraska. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2015, 3:57 PM CDT (20:57 UTC)
- Expired
- Aug 8, 2015, 6:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 32 counties
Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Jackson County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Morris County, KS, Nemaha County, KS, Osborne County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Russell County, KS, Saline County, KS, Smith County, KS, Wabaunsee County, KS, Washington County, KS, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Nuckolls County, NE, Pawnee County, NE, Saline County, NE, Thayer County, NE, Webster County, NE
The radar
The Grand Island radar (KUEX), 114 km from the middle of the area, began a volume at 20:59 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
Dodge City, (KDDC), launched 12:00Z, 9.0 hours before the alert went out and 244 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
- 257 J/kg
- Mixed-layer CIN
- -300 J/kg
- Mixed-layer LCL
- 2087 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 7, 7:27 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Gove, Graham, Logan, Norton and 4 more | 2 hr |
| Aug 7, 9:43 PM CDT | Severe Thunderstorm Watch | SPC | Osborne, Phillips, Rooks, Smith | 4 hr |
| Aug 8, 1:14 AM CDT | Mesoscale Discussion | SPC | Brown, Clay, Cloud, Jackson, Jewell, Marshall and 10 more | 91 min |
| Aug 8, 5:27 AM CDT | Mesoscale Discussion | SPC | Anderson, Bourbon, Coffey, Franklin, Johnson, Linn and 1 more | 2 hr |
| Aug 8, 3:58 PM CDT | Mesoscale Discussion | SPC | Finney, Gove, Grant, Gray, Greeley, Hamilton and 11 more | 92 min |
Nearby
Mesoscale Discussions in Kansas, 2015Mesoscale Discussions in Nebraska, 2015Every mesoscale discussion in 2015
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.