Alert archive / Kansas / Mesoscale Discussions in 2020
Mesoscale Discussion 1269
The Storm Prediction Center issued this mesoscale discussion at Jul 18, 2020, 9:49 PM CDT for 25 counties in Kansas; 4 counties in Nebraska. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Jul 18, 2020, 9:49 PM CDT (02:49 UTC)
- Expired
- Jul 18, 2020, 11:15 PM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch unlikely
- Chance of a watch
- 5%
All 29 counties
Barton County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Ness County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Smith County, KS, Trego County, KS, Washington County, KS, Franklin County, NE, Nuckolls County, NE, Thayer County, NE, Webster County, NE
The radar
The Grand Island radar (KUEX), 120 km from the middle of the area, began a volume at 02:50 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
Dodge City, (KDDC), launched 00:00Z, 2.8 hours before the alert went out and 201 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
- 2628 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 2395 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 194 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 |
|---|---|---|---|---|
| Jul 19, 3:00 PM CDT | Mesoscale Discussion | SPC | Douglas, Jackson, Jefferson, Johnson, Leavenworth, Shawnee and 1 more | 2 hr |
| Jul 19, 5:06 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Rawlins | 7 hr |
| Jul 19, 3:50 PM CDT | Mesoscale Discussion | SPC | Arthur, Banner, Box Butte, Chase, Cheyenne, Dawes and 15 more | 115 min |
Nearby
Mesoscale Discussions in Kansas, 2020Mesoscale Discussions in Nebraska, 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.