Alert archive / Colorado / Mesoscale Discussions in 2015
Mesoscale Discussion 914
The Storm Prediction Center issued this mesoscale discussion at Jun 6, 2015, 2:14 PM MDT for 15 counties in Colorado; 4 counties in Kansas; 4 counties in Nebraska. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Jun 6, 2015, 2:14 PM MDT (20:14 UTC)
- Expired
- Jun 6, 2015, 3:45 PM MDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 23 counties
Adams County, CO, Arapahoe County, CO, Cheyenne County, CO, Denver County, CO, El Paso County, CO, Elbert County, CO, Kit Carson County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Cheyenne County, KS, Logan County, KS, Sherman County, KS, Wallace County, KS, Chase County, NE, Deuel County, NE, Dundy County, NE, Perkins County, NE
The radar
The Denver radar (KFTG), 122 km from the middle of the area, began a volume at 20:14 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, 8.2 hours before the alert went out and 19 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
- 1624 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 48 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 |
|---|---|---|---|---|
| Jun 6, 4:25 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 6 more | 5 hr |
| Jun 5, 8:45 PM MDT | Mesoscale Discussion | SPC | Gove, Logan, Sheridan, Thomas | 60 min |
| Jun 5, 9:32 PM MDT | Mesoscale Discussion | SPC | Box Butte, Dawes, Sioux | 58 min |
| Jun 6, 1:32 PM MDT | Mesoscale Discussion | SPC | Antelope, Boone, Boyd, Burt, Cedar, Colfax and 23 more | 88 min |
| Jun 6, 2:40 PM MDT | Tornado Watch | SPC | Adams, Antelope, Boone, Boyd, Buffalo, Butler and 40 more | 5 hr |
| Jun 6, 5:34 PM MDT | Mesoscale Discussion | SPC | Adams, Antelope, Boone, Boyd, Buffalo, Cedar and 38 more | 116 min |
Nearby
Mesoscale Discussions in Colorado, 2015Mesoscale 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.