Alert archive / Texas / Mesoscale Discussions in 2009

Mesoscale Discussion 582

April 26, 2009Harmon County, Jackson County, Oklahoma; 35 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 26, 2009, 12:58 PM CDT for Harmon County, Jackson County, Oklahoma; 35 counties in Texas. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: Apr 26, 2009, 12:58 PM CDT (17:58 UTC)
Expired: Apr 26, 2009, 2:30 PM CDT
In force: 92 min
Issued by: the Storm Prediction Center

All 37 counties

Harmon County, OK, Jackson County, OK, Baylor County, TX, Borden County, TX, Briscoe County, TX, Childress County, TX, Coke County, TX, Collingsworth County, TX, Cottle County, TX, Crockett County, TX, Crosby County, TX, Dickens County, TX, Donley County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Glasscock County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Reagan County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Upton County, TX, Wilbarger County, TX

The radar

The Dyess AFB radar (KDYX), 138 km from the middle of the area, began a volume at 17:59 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
Apr 25, 9:58 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Blaine, Canadian, Custer, Dewey, Ellis and 10 more	92 min
Apr 25, 10:39 PM CDT	Tornado Watch	SPC	Alfalfa, Blaine, Craig, Custer, Dewey, Garfield and 13 more	4 hr
Apr 26, 1:28 AM CDT	Mesoscale Discussion	SPC	Alfalfa, Blaine, Craig, Custer, Dewey, Garfield and 13 more	92 min
Apr 26, 2:39 AM CDT	Tornado Watch	SPC	Craig, Garfield, Grant, Kay, Noble, Nowata and 3 more	3 hr
Apr 26, 6:56 AM CDT	Mesoscale Discussion	SPC	Beckham, Ellis, Harper, Roger Mills	94 min
Apr 26, 10:19 AM CDT	Mesoscale Discussion	SPC	Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 8 more	56 min
Apr 26, 10:54 AM CDT	Mesoscale Discussion	SPC	Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian and 33 more	66 min
Apr 26, 11:07 AM CDT	Tornado Watch PDS	SPC	Alfalfa, Beaver, Beckham, Blaine, Custer, Dewey and 11 more	7 hr
Apr 26, 1:37 PM CDT	Tornado Watch PDS	SPC	Caddo, Canadian, Carter, Cleveland, Comanche, Cotton and 21 more	5 hr
Apr 26, 3:34 PM CDT	Mesoscale Discussion	SPC	Beckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 24 more	116 min
Apr 26, 5:44 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 30 more	61 min
Apr 26, 6:16 PM CDT	Tornado Watch PDS	SPC	Alfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 38 more	8 hr
Apr 26, 3:01 PM CDT	Tornado Watch	SPC	Callahan, Coke, Crockett, Fisher, Glasscock, Haskell and 18 more	5 hr
Apr 26, 6:25 PM CDT	Mesoscale Discussion	SPC	Callahan, Coke, Coleman, Concho, Crockett, Edwards and 25 more	2 hr

Nearby

Mesoscale Discussions in Texas, 2009 Mesoscale Discussions in Oklahoma, 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.