Alert archive / Arkansas / Mesoscale Discussions in 2022

Mesoscale Discussion 862

May 21, 202220 counties in Arkansas; Dunklin County, Missouri

The Storm Prediction Center issued this mesoscale discussion at May 21, 2022, 5:32 PM CDT for 20 counties in Arkansas; Dunklin County, Missouri. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued: May 21, 2022, 5:32 PM CDT (22:32 UTC)
Expired: May 21, 2022, 7:30 PM CDT
In force: 118 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 257

All 21 counties

Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Cross County, AR, Faulkner County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Mississippi County, AR, Poinsett County, AR, Pope County, AR, Randolph County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Dunklin County, MO

The radar

The Little Rock radar (KLZK), 106 km from the middle of the area, began a volume at 22:33 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, 7:40 PM CDT	Severe Thunderstorm Watch	SPC	Benton, Washington	6 hr
May 21, 1:31 PM CDT	Mesoscale Discussion	SPC	Clay, Cleburne, Conway, Craighead, Crawford, Crittenden and 32 more	119 min
May 21, 2:50 PM CDT	Severe Thunderstorm Watch	SPC	Arkansas, Baxter, Boone, Bradley, Calhoun, Clark and 51 more	9 hr
May 21, 3:06 PM CDT	Mesoscale Discussion	SPC	Lafayette, Little River, Miller	114 min
May 21, 3:30 PM CDT	Severe Thunderstorm Watch	SPC	Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 2 more	10 hr
May 21, 3:37 PM CDT	Mesoscale Discussion	SPC	Baxter, Boone, Cleburne, Conway, Franklin, Independence and 10 more	83 min
May 21, 6:14 PM CDT	Mesoscale Discussion	SPC	Howard, Little River, Sevier	2 hr
May 20, 7:10 PM CDT	Mesoscale Discussion	SPC	Audrain, Boone, Callaway, Clark, Knox, Lewis and 9 more	2 hr

Nearby

Mesoscale Discussions in Arkansas, 2022 Mesoscale Discussions in Missouri, 2022 Every mesoscale discussion in 2022

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.