Alert archive / Oklahoma / Mesoscale Discussions in 2009

Mesoscale Discussion 650

May 1, 20094 states

The Storm Prediction Center issued this mesoscale discussion at May 1, 2009, 3:00 AM CDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 1, 2009, 3:00 AM CDT (08:00 UTC)
Expired: May 1, 2009, 5:00 AM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 55 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Fulton County, AR, Izard County, AR, Johnson County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Searcy County, AR, Sharp County, AR, Stone County, AR, Washington County, AR, Cherokee County, KS, Barry County, MO, Christian County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 66 km from the middle of the area, began a volume at 08:00 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, 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
May 1, 12:45 AM CDT	Severe Thunderstorm Watch	SPC	Benton, Carroll, Crawford, Madison, Washington	6 hr
May 1, 6:08 AM CDT	Mesoscale Discussion	SPC	Benton, Boone, Carroll, Crawford, Franklin, Johnson and 3 more	67 min
May 1, 7:26 AM CDT	Severe Thunderstorm Watch	SPC	Crawford, Franklin, Johnson, Logan, Madison, Montgomery and 5 more	7 hr
May 1, 10:32 AM CDT	Mesoscale Discussion	SPC	Crawford, Franklin, Logan, Madison, Washington	58 min
May 1, 1:22 PM CDT	Mesoscale Discussion	SPC	Crawford, Franklin, Johnson, Logan, Montgomery, Polk and 3 more	53 min
May 1, 3:21 PM CDT	Mesoscale Discussion	SPC	Baxter, Boone, Carroll, Clay, Cleburne, Craighead and 23 more	54 min
May 1, 3:36 PM CDT	Severe Thunderstorm Watch	SPC	Baxter, Benton, Boone, Carroll, Clay, Cleburne and 34 more	6 hr
May 1, 6:11 PM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Clay, Cleburne and 30 more	64 min
Apr 30, 7:54 PM CDT	Severe Thunderstorm Watch	SPC	Beckham, Blaine, Caddo, Canadian, Cleveland, Custer and 15 more	5 hr
Apr 30, 11:41 PM CDT	Mesoscale Discussion	SPC	Beckham, Blaine, Caddo, Canadian, Cleveland, Custer and 15 more	64 min
May 1, 2:48 PM CDT	Mesoscale Discussion	SPC	Carter, Cotton, Jefferson, Love, Murray	87 min
May 1, 3:09 PM CDT	Tornado Watch	SPC	Atoka, Bryan, Carter, Cleveland, Coal, Comanche and 16 more	7 hr

Nearby

Mesoscale Discussions in Oklahoma, 2009 Mesoscale Discussions in Arkansas, 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.