Alert archive / Colorado / Mesoscale Discussions in 2019
Mesoscale Discussion 1839
The Storm Prediction Center issued this mesoscale discussion at Aug 23, 2019, 1:55 PM MDT for 5 states. It was in force for 110 min.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2019, 1:55 PM MDT (19:55 UTC)
- Expired
- Aug 23, 2019, 3:45 PM MDT
- In force
- 110 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 32 counties
Adams County, CO, Arapahoe County, CO, Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, Denver County, CO, El Paso County, CO, Elbert 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, Phillips County, CO, Prowers County, CO, Pueblo County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Greeley County, KS, Hamilton County, KS, Morton County, KS, Stanton County, KS, Wallace County, KS, Union County, NM, Cimarron County, OK, Texas County, OK, Dallam County, TX, Sherman County, TX
The radar
The Pueblo radar (KPUX), 70 km from the middle of the area, began a volume at 19:56 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, 7.9 hours before the alert went out and 149 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
- 39 J/kg
- Mixed-layer CIN
- -299 J/kg
- Mixed-layer LCL
- 3050 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 2:34 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 16 more | 7 hr |
| Aug 23, 4:28 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 10 more | 2 hr |
| Aug 23, 2:38 AM MDT | Mesoscale Discussion | SPC | Jewell | 2 hr |
| Aug 23, 5:48 PM MDT | Severe Thunderstorm Watch | SPC | Finney, Grant, Gray, Hamilton, Haskell, Kearny and 5 more | 3 hr |
Nearby
Mesoscale Discussions in Colorado, 2019Mesoscale Discussions in Kansas, 2019Mesoscale Discussions in Oklahoma, 2019Every mesoscale discussion in 2019
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.