Alert archive / Texas / Mesoscale Discussions in 2018

Mesoscale Discussion 818

June 22, 20184 states

The Storm Prediction Center issued this mesoscale discussion at Jun 22, 2018, 1:06 AM MDT for 4 states. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Jun 22, 2018, 1:06 AM MDT (07:06 UTC)
Expired: Jun 22, 2018, 2:30 AM MDT
In force: 84 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

All 30 counties

Baca County, CO, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Beaver County, OK, Beckham County, OK, Cimarron County, OK, Ellis County, OK, Roger Mills County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Dallam County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 112 km from the middle of the area, began a volume at 07:06 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.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 22, 11:31 AM MDT	Mesoscale Discussion	SPC	Baca, Bent, Cheyenne, Crowley, Elbert, Kiowa and 5 more	89 min
Jun 22, 12:19 PM MDT	Severe Thunderstorm Watch	SPC	Baca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 7 more	6 hr
Jun 22, 2:46 PM MDT	Mesoscale Discussion	SPC	Baca, Cheyenne, Kiowa, Prowers	89 min
Jun 22, 4:14 PM MDT	Mesoscale Discussion	SPC	Baca, Prowers	2 hr
Jun 22, 3:31 PM MDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Edwards, Ellis, Finney and 21 more	5 hr
Jun 22, 5:22 PM MDT	Severe Thunderstorm Watch	SPC	Barton, Ellsworth, Harper, Harvey, Kingman, Lincoln and 7 more	7 hr
Jun 22, 1:52 PM MDT	Mesoscale Discussion	SPC	Beaver, Cimarron, Texas	83 min
Jun 22, 2:29 PM MDT	Severe Thunderstorm Watch	SPC	Beaver, Cimarron, Texas	9 hr

Nearby

Mesoscale Discussions in Texas, 2018 Mesoscale Discussions in Oklahoma, 2018 Mesoscale Discussions in Kansas, 2018 Every mesoscale discussion in 2018

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.