Alert archive / Colorado / Mesoscale Discussions in 2014
Mesoscale Discussion 1072
The Storm Prediction Center issued this mesoscale discussion at Jun 18, 2014, 6:08 PM MDT for 9 counties in Colorado; 4 counties in Nebraska. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2014, 6:08 PM MDT (00:08 UTC)
- Expired
- Jun 18, 2014, 7:45 PM MDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
Counties Adams County, CO, Arapahoe County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Chase County, NE, Deuel County, NE, Keith County, NE, Perkins County, NE
The radar
The Denver radar (KFTG), 152 km from the middle of the area, began a volume at 00:11 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 00:00Z, 0.1 hours before the alert went out and 62 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
- 382 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 2444 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 391 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 18, 9:28 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick | 62 min |
| Jun 18, 8:14 PM MDT | Mesoscale Discussion | SPC | Adams, Clay, Fillmore, Franklin, Hall, Hamilton and 6 more | 61 min |
| Jun 18, 10:00 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Antelope, Arthur, Blaine, Boone, Boyd and 45 more | 6 hr |
| Jun 19, 12:15 AM MDT | Mesoscale Discussion | SPC | Antelope, Boone, Buffalo, Butler, Cedar, Colfax and 27 more | 90 min |
| Jun 19, 12:31 AM MDT | Severe Thunderstorm Watch | SPC | Dakota, Dixon | 3 hr |
| Jun 19, 2:15 AM MDT | Mesoscale Discussion | SPC | Adams, Antelope, Boone, Buffalo, Burt, Butler and 25 more | 90 min |
| Jun 19, 12:10 PM MDT | Mesoscale Discussion | SPC | Cass, Otoe | 95 min |
Nearby
Mesoscale Discussions in Colorado, 2014Mesoscale Discussions in Nebraska, 2014Every mesoscale discussion in 2014
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.