Alert archive / Colorado / Mesoscale Discussions in 2007
Mesoscale Discussion 1871
The Storm Prediction Center issued this mesoscale discussion at Aug 23, 2007, 6:18 PM MDT for 16 counties in Colorado; 7 counties in Kansas. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2007, 6:18 PM MDT (00:18 UTC)
- Expired
- Aug 23, 2007, 8:15 PM MDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
All 23 counties
Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, Custer 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, Otero County, CO, Prowers County, CO, Pueblo County, CO, Teller County, CO, Cheyenne County, KS, Greeley County, KS, Logan County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS
The radar
The Pueblo radar (KPUX), 89 km from the middle of the area, began a volume at 00:18 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 00:00Z, 0.3 hours before the alert went out and 127 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
- 53 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 805 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 187 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 24, 2:29 PM MDT | Mesoscale Discussion | SPC | Las Animas | 91 min |
| Aug 23, 6:39 PM MDT | Mesoscale Discussion | SPC | Barton, Clark, Edwards, Ellis, Ellsworth, Finney and 24 more | 2 hr |
| Aug 23, 6:47 PM MDT | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Cloud, Dickinson, Doniphan and 12 more | 118 min |
| Aug 23, 6:55 PM MDT | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Cloud, Dickinson, Doniphan and 12 more | 2 hr |
| Aug 23, 10:01 PM MDT | Mesoscale Discussion | SPC | Atchison, Barton, Brown, Clark, Clay, Cloud and 32 more | 119 min |
| Aug 24, 2:05 AM MDT | Mesoscale Discussion | SPC | Atchison, Doniphan | 115 min |
| Aug 24, 12:31 PM MDT | Mesoscale Discussion | SPC | Cherokee | 89 min |
Nearby
Mesoscale Discussions in Colorado, 2007Mesoscale Discussions in Kansas, 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.