Alert archive / Kansas / Mesoscale Discussions in 2020
Mesoscale Discussion 550
The Storm Prediction Center issued this mesoscale discussion at May 7, 2020, 6:43 PM CDT for 9 counties in Kansas; 6 counties in Oklahoma; Hemphill County, Lipscomb County, Ochiltree County, Texas. It was in force for 62 min.
The area
The outline as issued.
The facts
- Issued
- May 7, 2020, 6:43 PM CDT (23:43 UTC)
- Expired
- May 7, 2020, 7:45 PM CDT
- In force
- 62 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
Counties Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ford County, KS, Gray County, KS, Kiowa County, KS, Meade County, KS, Pratt County, KS, Beaver County, OK, Ellis County, OK, Harper County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK, Hemphill County, TX, Lipscomb County, TX, Ochiltree County, TX
The radar
The Dodge City radar (KDDC), 107 km from the middle of the area, began a volume at 23:44 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
Dodge City, (KDDC), launched 12:00Z, 11.7 hours before the alert went out and 108 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
- 1435 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 617 m²/s²
- 0-3 km storm-relative helicity
- 962 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 |
|---|---|---|---|---|
| May 7, 1:38 PM CDT | Mesoscale Discussion | SPC | Butler, Chautauqua, Cowley, Elk, Greenwood, Harper and 8 more | 3 hr |
| May 7, 3:49 PM CDT | Mesoscale Discussion | SPC | Beckham, Ellis, Greer, Harmon, Jackson, Roger Mills | 116 min |
| May 7, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Beckham, Comanche, Cotton, Greer, Harmon, Jackson and 2 more | 5 hr |
| May 7, 4:57 PM CDT | Mesoscale Discussion | SPC | Beckham, Comanche, Cotton, Greer, Harmon, Jackson and 3 more | 63 min |
| May 7, 6:04 PM CDT | Mesoscale Discussion | SPC | Greer, Harmon, Jackson, Kiowa, Tillman | 56 min |
| May 7, 2:40 PM CDT | Mesoscale Discussion | SPC | Crane, Ector, Glasscock, Midland, Pecos, Reagan and 2 more | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 2020Mesoscale Discussions in Oklahoma, 2020Mesoscale Discussions in Texas, 2020Every mesoscale discussion in 2020
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.