Alert archive / Colorado / Mesoscale Discussions in 2007
Mesoscale Discussion 1301
The Storm Prediction Center issued this mesoscale discussion at Jun 27, 2007, 3:03 PM MDT for 20 counties in Colorado; Albany County, Laramie County, Platte County, Wyoming. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Jun 27, 2007, 3:03 PM MDT (21:03 UTC)
- Expired
- Jun 27, 2007, 5:00 PM MDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
All 23 counties
Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Custer County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Fremont County, CO, Gilpin County, CO, Huerfano County, CO, Jefferson County, CO, Larimer County, CO, Morgan County, CO, Park County, CO, Pueblo County, CO, Teller County, CO, Weld County, CO, Albany County, WY, Laramie County, WY, Platte County, WY
The radar
The Denver radar (KFTG), 88 km from the middle of the area, began a volume at 21:07 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, 9.1 hours before the alert went out and 185 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
- 878 J/kg
- Mixed-layer CIN
- -272 J/kg
- Mixed-layer LCL
- 829 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 35 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 26, 7:57 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Huerfano, Kiowa, Otero, Prowers | 2 hr |
| Jun 27, 4:08 PM MDT | Severe Thunderstorm Watch | SPC | Crowley, Custer, El Paso, Fremont, Huerfano, Las Animas and 3 more | 6 hr |
Nearby
Mesoscale Discussions in Colorado, 2007Mesoscale Discussions in Wyoming, 2007Every mesoscale discussion in 2007
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.