Alert archive / Kansas / Mesoscale Discussions in 2018
Mesoscale Discussion 1176
The Storm Prediction Center issued this mesoscale discussion at Jul 27, 2018, 2:52 PM MDT for 14 counties in Colorado; 24 counties in Kansas; Dundy County, Nebraska. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jul 27, 2018, 2:52 PM MDT (20:52 UTC)
- Expired
- Jul 27, 2018, 4:15 PM MDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 39 counties
Bent County, CO, Cheyenne County, CO, Crowley County, CO, El Paso County, CO, Elbert County, CO, Huerfano County, CO, Kiowa County, CO, Kit Carson County, CO, Lincoln County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Ness County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Dundy County, NE
The radar
The Goodland radar (KGLD), 105 km from the middle of the area, began a volume at 20:54 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 (KDEN), launched 12:00Z, 8.9 hours before the alert went out and 146 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
- 735 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
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 |
|---|---|---|---|---|
| Jul 26, 6:07 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Boulder, Broomfield, Cheyenne, Crowley and 18 more | 113 min |
| Jul 26, 8:53 PM MDT | Mesoscale Discussion | SPC | Prowers | 2 hr |
| Jul 27, 12:35 PM MDT | Mesoscale Discussion | SPC | Adams, Kit Carson, Logan, Morgan, Phillips, Sedgwick and 3 more | 85 min |
| Jul 27, 1:04 PM MDT | Tornado Watch | SPC | Adams, Arapahoe, Cheyenne, Elbert, Kit Carson, Larimer and 8 more | 8 hr |
| Jul 27, 3:43 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 5 hr |
| Jul 27, 5:23 PM MDT | Mesoscale Discussion | SPC | Cheyenne | 97 min |
| Jul 27, 4:05 PM MDT | Severe Thunderstorm Watch | SPC | Barber, Barton, Clark, Comanche, Edwards, Ellis and 25 more | 9 hr |
| Jul 27, 4:55 PM MDT | Mesoscale Discussion | SPC | Blaine, Brown, Cherry, Custer, Dawes, Dawson and 11 more | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 2018Mesoscale Discussions in Colorado, 2018Mesoscale Discussions in Nebraska, 2018Every mesoscale discussion in 2018
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.