Alert archive / Oklahoma / Mesoscale Discussions in 2011

Mesoscale Discussion 1905

August 8, 201136 counties in Oklahoma; Collingsworth County, Texas

The Storm Prediction Center issued this mesoscale discussion at Aug 8, 2011, 5:30 PM CDT for 36 counties in Oklahoma; Collingsworth County, Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Aug 8, 2011, 5:30 PM CDT (22:30 UTC)
Expired: Aug 8, 2011, 7:30 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 37 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Creek County, OK, Custer County, OK, Dewey County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Hughes County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, McIntosh County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Seminole County, OK, Tulsa County, OK, Washita County, OK, Collingsworth County, TX

The radar

The Norman radar (KTLX), 97 km from the middle of the area, began a volume at 22:33 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 7, 7:13 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Grant, Harper, Kay, Woods	3 hr
Aug 7, 8:27 PM CDT	Mesoscale Discussion	SPC	Ottawa	2 hr
Aug 8, 2:04 PM CDT	Mesoscale Discussion	SPC	Adair, Cherokee, Haskell, Latimer, LeFlore, McIntosh and 5 more	86 min
Aug 8, 6:01 PM CDT	Severe Thunderstorm Watch	SPC	Alfalfa, Beckham, Blaine, Caddo, Canadian, Craig and 29 more	6 hr

Nearby

Mesoscale Discussions in Oklahoma, 2011 Mesoscale Discussions in Texas, 2011 Every mesoscale discussion in 2011

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.