Alert archive / Oklahoma / Mesoscale Discussions in 2020

Mesoscale Discussion 1898

December 31, 202029 counties in Oklahoma; 22 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Dec 31, 2020, 2:59 PM CST for 29 counties in Oklahoma; 22 counties in Texas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Dec 31, 2020, 2:59 PM CST (20:59 UTC)
Expired: Dec 31, 2020, 7:00 PM CST
In force: 4 hr
Issued by: the Storm Prediction Center
Concerning: Winter mixed precipitation

All 51 counties

Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Creek County, OK, Custer County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, McClain County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Baylor County, TX, Callahan County, TX, Coke County, TX, Cottle County, TX, Fisher County, TX, Foard County, TX, Hardeman County, TX, Haskell County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Mitchell County, TX, Nolan County, TX, Runnels County, TX, Scurry County, TX, Shackelford County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 30 km from the middle of the area, began a volume at 20:58 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 31, 9:09 AM CST	Mesoscale Discussion	SPC	Comanche, Cotton, Harmon, Jackson, Jefferson, Stephens and 1 more	6 hr
Dec 30, 8:15 PM CST	Mesoscale Discussion	SPC	Brewster, Crane, Pecos, Presidio, Upton	6 hr
Dec 31, 2:16 AM CST	Mesoscale Discussion	SPC	Brewster, Crane, Glasscock, Pecos, Reagan, Sterling and 2 more	6 hr
Dec 31, 7:10 AM CST	Mesoscale Discussion	SPC	Brazoria, Chambers, Fort Bend, Galveston, Hardin, Harris and 3 more	95 min
Dec 31, 7:40 AM CST	Tornado Watch	SPC	Brazoria, Chambers, Fort Bend, Galveston, Hardin, Harris and 7 more	7 hr
Dec 31, 11:21 AM CST	Mesoscale Discussion	SPC	Chambers, Galveston, Hardin, Harris, Jefferson, Liberty and 2 more	114 min
Dec 31, 1:27 PM CST	Tornado Watch	SPC	Newton, Orange	8 hr
Dec 31, 2:44 PM CST	Mesoscale Discussion	SPC	Newton, Orange	2 hr

Nearby

Mesoscale Discussions in Oklahoma, 2020 Mesoscale Discussions in Texas, 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.