Alert archive / Kansas / Mesoscale Discussions in 2015
Mesoscale Discussion 1790
The Storm Prediction Center issued this mesoscale discussion at Sep 10, 2015, 1:23 PM CDT for 26 counties in Kansas; 22 counties in Nebraska. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- Sep 10, 2015, 1:23 PM CDT (18:23 UTC)
- Expired
- Sep 10, 2015, 3:00 PM CDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 48 counties
Clay County, KS, Cloud County, KS, Decatur County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Graham County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Sheridan County, KS, Smith County, KS, Trego County, KS, Washington County, KS, Adams County, NE, Buffalo County, NE, Clay County, NE, Dawson County, NE, Fillmore County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Jefferson County, NE, Kearney County, NE, Lincoln County, NE, Nuckolls County, NE, Phelps County, NE, Red Willow County, NE, Saline County, NE, Thayer County, NE, Webster County, NE, York County, NE
The radar
The Grand Island radar (KUEX), 47 km from the middle of the area, began a volume at 18:23 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, 6.4 hours before the alert went out and 209 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
- 492 J/kg
- Mixed-layer CIN
- -244 J/kg
- Mixed-layer LCL
- 1159 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- -2 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 |
|---|---|---|---|---|
| Sep 10, 12:56 AM CDT | Mesoscale Discussion | SPC | Marshall, Republic, Washington | 2 hr |
| Sep 10, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Chase, Clay, Cloud, Decatur, Dickinson and 26 more | 5 hr |
| Sep 10, 3:58 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Cherokee, Crawford, Douglas and 7 more | 3 hr |
| Sep 10, 5:06 PM CDT | Mesoscale Discussion | SPC | Grant, Haskell, Meade, Morton, Seward, Stanton and 1 more | 2 hr |
| Sep 10, 5:27 PM CDT | Mesoscale Discussion | SPC | Barton, Chase, Clay, Cloud, Decatur, Dickinson and 35 more | 93 min |
| Sep 10, 5:44 PM CDT | Severe Thunderstorm Watch | SPC | Edwards, Ellis, Finney, Ford, Grant, Gray and 17 more | 4 hr |
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.