Alert archive / Kansas / Mesoscale Discussions in 2017
Mesoscale Discussion 1578
The Storm Prediction Center issued this mesoscale discussion at Aug 26, 2017, 3:46 PM MDT for 6 counties in Colorado; 19 counties in Kansas; Furnas County, Hitchcock County, Red Willow County, Nebraska. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 26, 2017, 3:46 PM MDT (21:46 UTC)
- Expired
- Aug 26, 2017, 6:15 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 28 counties
Bent County, CO, Cheyenne County, CO, Crowley County, CO, Kiowa County, CO, Otero County, CO, Prowers County, CO, Decatur County, KS, Finney County, KS, Gove County, KS, Graham County, KS, Greeley County, KS, Hamilton County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Norton County, KS, Phillips County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Furnas County, NE, Hitchcock County, NE, Red Willow County, NE
The radar
The Goodland radar (KGLD), 65 km from the middle of the area, began a volume at 21:49 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
Denver, CO (KDEN), launched 12:00Z, 9.8 hours before the alert went out and 168 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
- 1 J/kg
- Mixed-layer CIN
- -354 J/kg
- Mixed-layer LCL
- 2662 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 1:13 PM MDT | Mesoscale Discussion | SPC | Arthur, Box Butte, Cherry, Dawes, Garden, Grant and 3 more | 3 hr |
| Aug 26, 2:04 PM MDT | Severe Thunderstorm Watch | SPC | Box Butte, Cherry, Dawes, Garden, Grant, Hooker and 3 more | 7 hr |
| Aug 26, 3:24 PM MDT | Mesoscale Discussion | SPC | Arthur, Blaine, Box Butte, Cherry, Dawes, Garden and 6 more | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 2017Mesoscale Discussions in Colorado, 2017Mesoscale Discussions in Nebraska, 2017Every mesoscale discussion in 2017
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.