Alert archive / Kansas / Mesoscale Discussions in 2020
Mesoscale Discussion 526
The Storm Prediction Center issued this mesoscale discussion at May 4, 2020, 12:39 AM MDT for 4 counties in Colorado; 11 counties in Kansas; 11 counties in Nebraska. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 4, 2020, 12:39 AM MDT (06:39 UTC)
- Expired
- May 4, 2020, 3:15 AM MDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 26 counties
Kit Carson County, CO, Phillips County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Graham County, KS, Norton County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Sheridan County, KS, Sherman County, KS, Smith County, KS, Thomas County, KS, Chase County, NE, Dundy County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Phelps County, NE, Red Willow County, NE
The radar
The Goodland radar (KGLD), 51 km from the middle of the area, began a volume at 06:41 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 (KDNR), launched 00:00Z, 6.7 hours before the alert went out and 157 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
- 607 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 2079 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 291 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
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 3, 8:59 PM MDT | Mesoscale Discussion | SPC | Arapahoe, Elbert, Phillips, Sedgwick, Washington, Yuma | 2 hr |
| May 4, 4:50 AM MDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Cherokee and 38 more | 55 min |
| May 4, 5:33 AM MDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Atchison, Barton, Bourbon, Brown and 49 more | 12 hr |
| May 4, 8:00 AM MDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Chase, Cherokee and 32 more | 90 min |
| May 4, 9:38 AM MDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Cherokee, Coffey, Crawford and 15 more | 97 min |
| May 4, 12:21 PM MDT | Mesoscale Discussion | SPC | Cherokee, Crawford, Labette, Montgomery | 114 min |
| May 4, 1:32 PM MDT | Tornado Watch | SPC | Chautauqua, Cherokee, Labette, Montgomery | 9 hr |
Nearby
Mesoscale Discussions in Kansas, 2020Mesoscale Discussions in Nebraska, 2020Mesoscale Discussions in Colorado, 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.