Alert archive / Kansas / Mesoscale Discussions in 2015
Mesoscale Discussion 341
The Storm Prediction Center issued this mesoscale discussion at Apr 17, 2015, 4:05 PM MDT for 7 counties in Colorado; 14 counties in Kansas; 5 counties in Nebraska. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 17, 2015, 4:05 PM MDT (22:05 UTC)
- Expired
- Apr 17, 2015, 6:30 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 26 counties
Kit Carson County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Finney County, KS, Gove County, KS, Greeley County, KS, Lane County, KS, Logan County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Chase County, NE, Dundy County, NE, Hayes County, NE, Hitchcock County, NE, Perkins County, NE
The radar
The Goodland radar (KGLD), 61 km from the middle of the area, began a volume at 22:08 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
Denver, CO (KDEN), launched 12:00Z, 10.1 hours before the alert went out and 82 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
- 603 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 205 m²/s²
- 0-3 km storm-relative helicity
- 227 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 |
|---|---|---|---|---|
| Apr 16, 6:44 PM MDT | Mesoscale Discussion | SPC | Baca, Kiowa, Prowers | 61 min |
| Apr 17, 11:58 AM MDT | Mesoscale Discussion | SPC | Adams, Cheyenne, Kit Carson, Logan, Morgan, Phillips and 2 more | 92 min |
| Apr 17, 4:37 PM MDT | Tornado Watch | SPC | Cheyenne, Kit Carson, Logan, Morgan, Phillips, Sedgwick and 2 more | 7 hr |
| Apr 16, 8:17 PM MDT | Mesoscale Discussion | SPC | Harper, Sumner | 88 min |
| Apr 17, 2:06 PM MDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Comanche, Edwards, Finney and 24 more | 84 min |
Nearby
Mesoscale Discussions in Kansas, 2015Mesoscale Discussions in Colorado, 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.