Alert archive / Colorado / Mesoscale Discussions in 2014
Mesoscale Discussion 1624
The Storm Prediction Center issued this mesoscale discussion at Aug 26, 2014, 2:12 PM MDT for 13 counties in Colorado; 13 counties in Nebraska; Goshen County, Laramie County, Wyoming. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 26, 2014, 2:12 PM MDT (20:12 UTC)
- Expired
- Aug 26, 2014, 4:15 PM MDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 28 counties
Adams County, CO, Arapahoe County, CO, Broomfield County, CO, Denver County, CO, Elbert County, CO, Kit Carson County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Banner County, NE, Box Butte County, NE, Chase County, NE, Cheyenne County, NE, Deuel County, NE, Dundy County, NE, Garden County, NE, Keith County, NE, Kimball County, NE, Morrill County, NE, Perkins County, NE, Scotts Bluff County, NE, Sioux County, NE, Goshen County, WY, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 107 km from the middle of the area, began a volume at 20:12 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, 8.2 hours before the alert went out and 133 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
- 164 J/kg
- Mixed-layer CIN
- -158 J/kg
- Mixed-layer LCL
- 835 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Aug 25, 7:43 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Bent, Broomfield, Cheyenne, Crowley and 17 more | 92 min |
Nearby
Mesoscale Discussions in Colorado, 2014Mesoscale Discussions in Nebraska, 2014Mesoscale Discussions in Wyoming, 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.