Alert archive / Mississippi / Mesoscale Discussions in 2017

Mesoscale Discussion 568

April 26, 201718 counties in Mississippi; 14 counties in Tennessee

The Storm Prediction Center issued this mesoscale discussion at Apr 26, 2017, 7:36 PM CDT for 18 counties in Mississippi; 14 counties in Tennessee. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Apr 26, 2017, 7:36 PM CDT (00:36 UTC)
Expired: Apr 26, 2017, 9:00 PM CDT
In force: 84 min
Issued by: the Storm Prediction Center

All 32 counties

Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Clay County, MS, Grenada County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Pontotoc County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Webster County, MS, Yalobusha County, MS, Benton County, TN, Carroll County, TN, Chester County, TN, Decatur County, TN, Hardeman County, TN, Hardin County, TN, Henderson County, TN, Henry County, TN, Houston County, TN, Humphreys County, TN, Madison County, TN, McNairy County, TN, Perry County, TN, Wayne County, TN

The radar

The Memphis radar (KNQA), 105 km from the middle of the area, began a volume at 00:40 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.

Severe Thunderstorm Watch 167Apr 26, 8:50 PM CDT

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
Apr 26, 7:02 PM CDT	Mesoscale Discussion	SPC	Adams, Attala, Carroll, Claiborne, Copiah, Franklin and 14 more	88 min
Apr 26, 9:01 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Attala, Choctaw, Claiborne, Clarke, Clay and 29 more	5 hr
Apr 26, 11:57 PM CDT	Mesoscale Discussion	SPC	Covington, Jones	93 min
Apr 27, 1:36 AM CDT	Mesoscale Discussion	SPC	Clarke, Forrest, Greene, Jasper, Jones, Lauderdale and 2 more	114 min
Apr 27, 2:29 PM CDT	Mesoscale Discussion	SPC	Carter, Cocke, Unicoi	91 min

Nearby

Mesoscale Discussions in Mississippi, 2017 Mesoscale Discussions in Tennessee, 2017 Every mesoscale discussion in 2017

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.