Alert archive / Oklahoma / Mesoscale Discussions in 2009

Mesoscale Discussion 2071

October 6, 20094 states

The Storm Prediction Center issued this mesoscale discussion at Oct 6, 2009, 3:15 AM CDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Oct 6, 2009, 3:15 AM CDT (08:15 UTC)
Expired: Oct 6, 2009, 5:15 AM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 46 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Barton County, MO, Bates County, MO, Cedar County, MO, Jasper County, MO, Vernon County, MO, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Craig County, OK, Creek County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Mayes County, OK, McClain County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Wichita County, TX, Wilbarger County, TX

The radar

The Norman radar (KTLX), 49 km from the middle of the area, began a volume at 08:18 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.

Severe Thunderstorm Watch 756Oct 6, 4:40 AM CDT

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
Oct 6, 4:36 AM CDT	Severe Thunderstorm Watch	SPC	Atoka, Bryan, Carter, Choctaw, Cleveland, Coal and 25 more	7 hr
Oct 6, 7:47 AM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Carter, Choctaw, Coal, Jefferson and 8 more	88 min
Oct 6, 10:03 AM CDT	Mesoscale Discussion	SPC	Callahan, Eastland, Jack, Jones, Nolan, Palo Pinto and 6 more	57 min
Oct 6, 11:54 AM CDT	Severe Thunderstorm Watch	SPC	Brown, Callahan, Coke, Coleman, Collin, Comanche and 36 more	5 hr
Oct 6, 1:50 PM CDT	Mesoscale Discussion	SPC	Bosque, Brown, Callahan, Camp, Coke, Coleman and 31 more	55 min

Nearby

Mesoscale Discussions in Oklahoma, 2009 Mesoscale Discussions in Kansas, 2009 Mesoscale Discussions in Missouri, 2009 Every mesoscale discussion in 2009

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.