Alert archive / Kansas / Mesoscale Discussions in 2015
Mesoscale Discussion 522
The Storm Prediction Center issued this mesoscale discussion at May 6, 2015, 5:36 PM CDT for 29 counties in Kansas; 17 counties in Nebraska. It was in force for 84 min.
The area
The outline as issued.
The facts
- Issued
- May 6, 2015, 5:36 PM CDT (22:36 UTC)
- Expired
- May 6, 2015, 7:00 PM CDT
- In force
- 84 min
- Issued by
- the Storm Prediction Center
All 46 counties
Barber County, KS, Barton County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Harper County, KS, Harvey County, KS, Jewell County, KS, Kingman County, KS, Lincoln County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Osborne County, KS, Ottawa County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Washington County, KS, Butler County, NE, Clay County, NE, Fillmore County, NE, Gage County, NE, Hamilton County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nuckolls County, NE, Pawnee County, NE, Polk County, NE, Saline County, NE, Saunders County, NE, Seward County, NE, Thayer County, NE, Webster County, NE, York County, NE
The radar
The Topeka radar (KTWX), 118 km from the middle of the area, began a volume at 22:36 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
Topeka, KS (KFOE), launched 12:00Z, 10.6 hours before the alert went out and 169 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 247 m²/s²
- 0-3 km storm-relative helicity
- 222 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 |
|---|---|---|---|---|
| May 6, 1:09 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clay, Cloud, Comanche, Dickinson and 31 more | 3 hr |
| May 6, 1:41 PM CDT | Tornado Watch | SPC | Barber, Barton, Butler, Clay, Cloud, Comanche and 31 more | 7 hr |
| May 6, 3:24 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clay, Cloud, Comanche, Dickinson and 26 more | 2 hr |
| May 6, 6:31 PM CDT | Mesoscale Discussion | SPC | Greeley, Logan, Sherman, Thomas, Wallace, Wichita | 89 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.