Alert archive / Kansas / Mesoscale Discussions in 2020
Mesoscale Discussion 1883
The Storm Prediction Center issued this mesoscale discussion at Dec 29, 2020, 4:00 AM CST for 53 counties in Kansas; Beaver County, Harper County, Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 29, 2020, 4:00 AM CST (10:00 UTC)
- Expired
- Dec 29, 2020, 10:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Winter mixed precipitation
All 55 counties
Atchison County, KS, Barton County, KS, Chase County, KS, Clark County, KS, Clay County, KS, Cloud County, KS, Comanche County, KS, Dickinson County, KS, Douglas County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Geary County, KS, Gray County, KS, Harvey County, KS, Hodgeman County, KS, Jackson County, KS, Jefferson County, KS, Jewell County, KS, Kiowa County, KS, Lane County, KS, Leavenworth County, KS, Lincoln County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Meade County, KS, Mitchell County, KS, Morris County, KS, Nemaha County, KS, Ness County, KS, Osage County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Shawnee County, KS, Stafford County, KS, Trego County, KS, Wabaunsee County, KS, Washington County, KS, Beaver County, OK, Harper County, OK
The radar
The Wichita radar (KICT), 87 km from the middle of the area, began a volume at 10:04 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
Topeka, KS (KTOP), launched 00:00Z, 10.0 hours before the alert went out and 227 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
- 1252 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- -80 m²/s²
- 0-3 km storm-relative helicity
- 12 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 |
|---|---|---|---|---|
| Dec 29, 10:02 AM CST | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Cloud, Doniphan, Douglas and 13 more | 5 hr |
Nearby
Mesoscale Discussions in Kansas, 2020Mesoscale Discussions in Oklahoma, 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.