Alert archive / Colorado / Mesoscale Discussions in 2005
Mesoscale Discussion 594
The Storm Prediction Center issued this mesoscale discussion at Apr 19, 2005, 1:04 PM MDT for 9 counties in Colorado; Banner County, Cheyenne County, Kimball County, Nebraska; Laramie County, Wyoming. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Apr 19, 2005, 1:04 PM MDT (19:04 UTC)
- Expired
- Apr 19, 2005, 2:30 PM MDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
Counties Adams County, CO, Arapahoe County, CO, Broomfield County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Banner County, NE, Cheyenne County, NE, Kimball County, NE, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 84 km from the middle of the area, began a volume at 19:06 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, 7.1 hours before the alert went out and 116 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
- 1796 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- -3 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 |
|---|---|---|---|---|
| Apr 19, 2:30 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Denver, Douglas, Elbert, Kit Carson and 6 more | 7 hr |
| Apr 19, 4:49 PM MDT | Mesoscale Discussion | SPC | Cheyenne | 116 min |
| Apr 18, 7:27 PM MDT | Mesoscale Discussion | SPC | Burt, Butler, Cass, Dodge, Douglas, Fillmore and 14 more | 63 min |
| Apr 18, 7:45 PM MDT | Severe Thunderstorm Watch | SPC | Cass, Dodge, Douglas, Gage, Jefferson, Johnson and 11 more | 5 hr |
| Apr 18, 10:22 PM MDT | Mesoscale Discussion | SPC | Cass, Dodge, Douglas, Gage, Jefferson, Johnson and 10 more | 83 min |
| Apr 19, 12:45 AM MDT | Mesoscale Discussion | SPC | Burt, Cass, Dodge, Douglas, Gage, Jefferson and 12 more | 30 min |
Nearby
Mesoscale Discussions in Colorado, 2005Mesoscale Discussions in Nebraska, 2005Mesoscale Discussions in Wyoming, 2005Every mesoscale discussion in 2005
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.