Alert archive / Oklahoma / Mesoscale Discussions in 2020

Mesoscale Discussion 1844

December 13, 20204 states

The Storm Prediction Center issued this mesoscale discussion at Dec 13, 2020, 12:00 PM CST for 4 states. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Dec 13, 2020, 12:00 PM CST (18:00 UTC)
Expired: Dec 13, 2020, 4:00 PM CST
In force: 4 hr
Issued by: the Storm Prediction Center
Concerning: Heavy snow

All 29 counties

Benton County, AR, Washington County, AR, Cherokee County, KS, Labette County, KS, McDonald County, MO, Newton County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garfield County, OK, Kay County, OK, Lincoln County, OK, Logan County, OK, Mayes County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 57 km from the middle of the area, began a volume at 18:02 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 text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 13, 1:00 AM CST	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Ford, Grant, Gray and 7 more	6 hr
Dec 13, 7:13 AM CST	Mesoscale Discussion	SPC	Chautauqua, Cherokee, Labette, Montgomery	5 hr

Nearby

Mesoscale Discussions in Oklahoma, 2020 Mesoscale Discussions in Arkansas, 2020 Mesoscale Discussions in Kansas, 2020 Every 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; radar from the NEXRAD Level II archive.