Alert archive / Arkansas / Mesoscale Discussions in 2019

Mesoscale Discussion 726

May 21, 20199 counties in Arkansas; Dunklin County, Pemiscot County, Missouri; Lauderdale County, Tennessee

The Storm Prediction Center issued this mesoscale discussion at May 21, 2019, 4:43 PM CDT for 9 counties in Arkansas; Dunklin County, Pemiscot County, Missouri; Lauderdale County, Tennessee. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued: May 21, 2019, 4:43 PM CDT (21:43 UTC)
Expired: May 21, 2019, 5:45 PM CDT
In force: 62 min
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Clay County, AR, Craighead County, AR, Cross County, AR, Greene County, AR, Jackson County, AR, Lawrence County, AR, Mississippi County, AR, Poinsett County, AR, Randolph County, AR, Dunklin County, MO, Pemiscot County, MO, Lauderdale County, TN

The radar

The Memphis radar (KNQA), 93 km from the middle of the area, began a volume at 21:43 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
May 20, 10:30 PM CDT	Mesoscale Discussion	SPC	Benton, Boone, Carroll, Crawford, Franklin, Madison and 4 more	60 min
May 20, 11:06 PM CDT	Mesoscale Discussion	SPC	Benton	24 min
May 21, 12:18 AM CDT	Tornado Watch	SPC	Baxter, Benton, Boone, Carroll, Crawford, Franklin and 6 more	5 hr
May 21, 12:55 AM CDT	Mesoscale Discussion	SPC	Clay, Fulton, Randolph	95 min
May 21, 5:09 AM CDT	Tornado Watch	SPC	Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more	9 hr
May 21, 7:26 AM CDT	Mesoscale Discussion	SPC	Benton, Crawford, Little River, Polk, Scott, Sebastian and 2 more	94 min
May 21, 9:57 AM CDT	Mesoscale Discussion	SPC	Baxter, Boone, Carroll, Clark, Cleburne, Conway and 26 more	93 min
May 21, 11:32 AM CDT	Tornado Watch	SPC	Baxter, Boone, Cleburne, Conway, Faulkner, Fulton and 19 more	7 hr
May 21, 1:51 PM CDT	Mesoscale Discussion	SPC	Baxter, Boone, Marion, Newton, Pope, Searcy	84 min
May 20, 8:20 PM CDT	Severe Thunderstorm Watch	SPC	Benton, Camden, Dent, Hickory, Howell, Laclede and 10 more	8 hr
May 21, 3:10 PM CDT	Tornado Watch	SPC	Audrain, Bollinger, Boone, Butler, Callaway, Cape Girardeau and 32 more	8 hr
May 21, 5:43 PM CDT	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Carter, Crawford, Franklin and 20 more	62 min
May 21, 6:12 PM CDT	Mesoscale Discussion	SPC	Saint Charles, Saint Louis, City of Saint Louis	33 min
May 21, 6:53 PM CDT	Severe Thunderstorm Watch	SPC	Atchison, Holt	3 hr

Nearby

Mesoscale Discussions in Arkansas, 2019 Mesoscale Discussions in Missouri, 2019 Mesoscale Discussions in Tennessee, 2019 Every mesoscale discussion in 2019

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.