Alert archive / Oklahoma / Mesoscale Discussions in 2015

Mesoscale Discussion 354

April 18, 20154 counties in Kansas; 10 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Apr 18, 2015, 12:45 PM CDT for 4 counties in Kansas; 10 counties in Oklahoma. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued: Apr 18, 2015, 12:45 PM CDT (17:45 UTC)
Expired: Apr 18, 2015, 1:45 PM CDT
In force: 60 min
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Barber County, KS, Harper County, KS, Kingman County, KS, Pratt County, KS, Alfalfa County, OK, Blaine County, OK, Canadian County, OK, Garfield County, OK, Grant County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Oklahoma County, OK, Woods County, OK

The radar

The Vance AFB radar (KVNX), 36 km from the middle of the area, began a volume at 17:46 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 17, 7:06 PM CDT	Mesoscale Discussion	SPC	Barber, Cheyenne, Clark, Comanche, Decatur, Edwards and 28 more	84 min
Apr 17, 7:26 PM CDT	Mesoscale Discussion	SPC	Grant, Morton, Stevens	2 hr
Apr 17, 8:24 PM CDT	Mesoscale Discussion	SPC	Ellsworth, Lincoln, Mitchell, Osborne, Phillips, Russell and 1 more	2 hr
Apr 17, 8:56 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Clark, Comanche, Decatur, Edwards, Ellis and 28 more	94 min
Apr 18, 1:52 PM CDT	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Edwards, Ford, Kiowa and 1 more	113 min
Apr 18, 2:43 PM CDT	Severe Thunderstorm Watch	SPC	Barber, Barton, Butler, Clark, Comanche, Cowley and 27 more	8 hr
Apr 18, 2:49 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Graham, Norton, Phillips, Rawlins and 3 more	116 min
Apr 18, 3:08 PM CDT	Tornado Watch	SPC	Cheyenne, Decatur, Gove, Graham, Greeley, Logan and 7 more	6 hr
Apr 18, 4:07 PM CDT	Mesoscale Discussion	SPC	Butler, Chase, Chautauqua, Clay, Cowley, Dickinson and 9 more	2 hr
Apr 18, 5:31 PM CDT	Mesoscale Discussion	SPC	Barber, Barton, Clark, Comanche, Edwards, Ellis and 24 more	59 min
Apr 18, 6:07 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Gove, Logan, Rawlins, Sheridan and 3 more	53 min
Apr 18, 2:27 PM CDT	Tornado Watch	SPC	Alfalfa, Beckham, Blaine, Caddo, Comanche, Cotton and 16 more	6 hr
Apr 18, 6:03 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Beckham, Blaine, Caddo, Comanche, Cotton and 13 more	87 min
Apr 18, 6:21 PM CDT	Mesoscale Discussion	SPC	Canadian, Carter, Cleveland, Garvin, Grady, Hughes and 11 more	84 min
Apr 18, 6:31 PM CDT	Severe Thunderstorm Watch	SPC	Alfalfa, Atoka, Beckham, Blaine, Bryan, Caddo and 38 more	6 hr

Nearby

Mesoscale Discussions in Oklahoma, 2015 Mesoscale Discussions in Kansas, 2015 Every mesoscale discussion in 2015

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.