Alert archive / Nebraska / Mesoscale Discussions in 2020
Mesoscale Discussion 822
The Storm Prediction Center issued this mesoscale discussion at Jun 4, 2020, 5:23 PM CDT for 4 counties in Kansas; 11 counties in Nebraska. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 4, 2020, 5:23 PM CDT (22:23 UTC)
- Expired
- Jun 4, 2020, 7:30 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
- Chance of a watch
- 40%
Counties Decatur County, KS, Rawlins County, KS, Sheridan County, KS, Thomas County, KS, Blaine County, NE, Cherry County, NE, Frontier County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Red Willow County, NE, Thomas County, NE
The radar
The North Platte radar (KLNX), 149 km from the middle of the area, began a volume at 22:25 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.4 hours before the alert went out and 60 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
- 2 J/kg
- Mixed-layer CIN
- -536 J/kg
- Mixed-layer LCL
- 2676 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 25 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 |
|---|---|---|---|---|
| Jun 3, 8:54 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Cloud, Doniphan, Jackson and 12 more | 2 hr |
| Jun 3, 9:38 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Atchison, Brown, Clay, Cloud, Coffey and 22 more | 6 hr |
| Jun 3, 10:44 PM CDT | Mesoscale Discussion | SPC | Anderson, Atchison, Brown, Clay, Cloud, Dickinson and 25 more | 2 hr |
| Jun 4, 12:54 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Butler and 32 more | 96 min |
| Jun 4, 2:07 AM CDT | Severe Thunderstorm Watch | SPC | Allen, Bourbon, Cherokee, Crawford, Labette, Linn and 4 more | 5 hr |
| Jun 4, 3:32 AM CDT | Mesoscale Discussion | SPC | Allen, Bourbon, Cherokee, Crawford, Linn, Neosho and 2 more | 88 min |
| Jun 4, 2:25 PM CDT | Mesoscale Discussion | SPC | Boyd, Brown, Cherry, Keya Paha, Rock | 95 min |
| Jun 4, 6:55 PM CDT | Mesoscale Discussion | SPC | Keya Paha | 95 min |
Nearby
Mesoscale Discussions in Nebraska, 2020Mesoscale Discussions in Kansas, 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.