Alert archive / Oklahoma / Mesoscale Discussions in 2015

Mesoscale Discussion 414

April 22, 201525 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Apr 22, 2015, 6:24 AM CDT for 25 counties in Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Apr 22, 2015, 6:24 AM CDT (11:24 UTC)
Expired: Apr 22, 2015, 8:30 AM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 25 counties

Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garvin County, OK, Grady County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kiowa County, OK, Love County, OK, McClain County, OK, Murray County, OK, Okfuskee County, OK, Oklahoma County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Washita County, OK

The radar

The Norman radar (KTLX), 74 km from the middle of the area, began a volume at 11:24 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
Apr 22, 2:55 AM CDT	Mesoscale Discussion	SPC	Alfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 17 more	3 hr
Apr 22, 2:07 PM CDT	Mesoscale Discussion	SPC	Cotton, Harmon, Jackson, Tillman	2 hr
Apr 22, 2:56 PM CDT	Tornado Watch	SPC	Harmon, Jackson, Tillman	9 hr

Nearby

Mesoscale Discussions in Oklahoma, 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.