Alert archive / Colorado / Mesoscale Discussions in 2014
Mesoscale Discussion 856
The Storm Prediction Center issued this mesoscale discussion at Jun 6, 2014, 11:56 AM MDT for 20 counties in Colorado. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 6, 2014, 11:56 AM MDT (17:56 UTC)
- Expired
- Jun 6, 2014, 2:00 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
Counties Adams County, CO, Arapahoe County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Huerfano County, CO, Kiowa County, CO, Kit Carson County, CO, Las Animas County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Otero County, CO, Pueblo County, CO, Washington County, CO, Weld County, CO
The radar
The Pueblo radar (KPUX), 20 km from the middle of the area, began a volume at 17:58 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, 5.9 hours before the alert went out and 158 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
- 367 J/kg
- Mixed-layer CIN
- -256 J/kg
- Mixed-layer LCL
- 1813 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 238 m²/s²
- 0-3 km storm-relative helicity
- 212 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 5, 6:37 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Broomfield, Cheyenne and 17 more | 113 min |
| Jun 5, 10:49 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Crowley, Las Animas, Otero | 116 min |
| Jun 6, 12:38 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 20 more | 7 hr |
| Jun 6, 2:32 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 17 more | 58 min |
| Jun 6, 4:33 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Yuma | 7 hr |
| Jun 6, 5:13 PM MDT | Mesoscale Discussion | SPC | Bent, Cheyenne, Crowley, Kiowa, Kit Carson, Lincoln and 4 more | 2 hr |
Nearby
Mesoscale Discussions in Colorado, 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.