Alert archive / Kansas / Mesoscale Discussions in 2006
Mesoscale Discussion 928
The Storm Prediction Center issued this mesoscale discussion at May 21, 2006, 7:21 PM CDT for 15 counties in Kansas; 9 counties in Nebraska. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- May 21, 2006, 7:21 PM CDT (00:21 UTC)
- Expired
- May 21, 2006, 9:15 PM CDT
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 24 counties
Cheyenne County, KS, Decatur County, KS, Ellis County, KS, Gove County, KS, Graham County, KS, Logan County, KS, Norton County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Chase County, NE, Dundy County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Red Willow County, NE
The radar
The Goodland radar (KGLD), 87 km from the middle of the area, began a volume at 00:24 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.4 hours before the alert went out and 167 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
- 1115 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 2645 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
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 21, 10:42 PM CDT | Mesoscale Discussion | SPC | Decatur, Ellis, Gove, Graham, Greeley, Lane and 12 more | 2 hr |
| May 22, 10:59 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 16 more | 2 hr |
| May 22, 11:33 AM CDT | Severe Thunderstorm Watch | SPC | Allen, Bourbon, Butler, Chautauqua, Cherokee, Cowley and 8 more | 6 hr |
| May 22, 3:31 PM CDT | Mesoscale Discussion | SPC | Allen, Bourbon, Butler, Chautauqua, Cherokee, Cowley and 8 more | 89 min |
| May 22, 5:24 PM CDT | Mesoscale Discussion | SPC | Allen, Bourbon, Butler, Chautauqua, Cherokee, Cowley and 8 more | 66 min |
| May 22, 5:01 PM CDT | Severe Thunderstorm Watch | SPC | Banner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more | 5 hr |
Nearby
Mesoscale Discussions in Kansas, 2006Mesoscale Discussions in Nebraska, 2006Every mesoscale discussion in 2006
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.