Alert archive / Kansas / Mesoscale Discussions in 2013
Mesoscale Discussion 400
The Storm Prediction Center issued this mesoscale discussion at Apr 8, 2013, 1:36 PM MDT for 7 counties in Colorado; 11 counties in Kansas; Chase County, Dundy County, Hitchcock County, Nebraska. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 2013, 1:36 PM MDT (19:36 UTC)
- Expired
- Apr 8, 2013, 4:00 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 21 counties
Bent County, CO, Cheyenne County, CO, Kiowa County, CO, Kit Carson County, CO, Prowers County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Greeley County, KS, Hamilton County, KS, Kearny County, KS, Logan County, KS, Rawlins County, KS, Scott County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Chase County, NE, Dundy County, NE, Hitchcock County, NE
The radar
The Goodland radar (KGLD), 46 km from the middle of the area, began a volume at 19:35 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 (KDNR), launched 12:00Z, 7.6 hours before the alert went out and 148 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
- 2481 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 58 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 8, 2:16 PM MDT | Severe Thunderstorm Watch | SPC | Bent, Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln and 7 more | 9 hr |
| Apr 8, 5:09 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Phillips, Sedgwick, Yuma | 66 min |
| Apr 7, 6:43 PM MDT | Mesoscale Discussion | SPC | Barber, Barton, Comanche, Edwards, Ellis, Ellsworth and 17 more | 62 min |
| Apr 7, 8:27 PM MDT | Mesoscale Discussion | SPC | Greenwood, Harvey, Marion | 63 min |
| Apr 7, 10:16 PM MDT | Mesoscale Discussion | SPC | Atchison, Doniphan, Jefferson, Leavenworth, Wyandotte | 59 min |
| Apr 8, 5:00 PM MDT | Mesoscale Discussion | SPC | Decatur, Jewell, Norton, Phillips, Rawlins, Smith | 90 min |
| Apr 8, 4:53 PM MDT | Mesoscale Discussion | SPC | Banner, Box Butte, Dawes, Morrill, Scotts Bluff, Sheridan and 1 more | 6 hr |
Nearby
Mesoscale Discussions in Kansas, 2013Mesoscale Discussions in Colorado, 2013Mesoscale Discussions in Nebraska, 2013Every mesoscale discussion in 2013
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.