Alert archive / Mississippi / Mesoscale Discussions in 2013

Mesoscale Discussion 524

April 18, 20135 parishes in Louisiana; 33 counties in Mississippi

The Storm Prediction Center issued this mesoscale discussion at Apr 18, 2013, 4:56 PM CDT for 5 parishes in Louisiana; 33 counties in Mississippi. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: Apr 18, 2013, 4:56 PM CDT (21:56 UTC)
Expired: Apr 18, 2013, 6:30 PM CDT
In force: 94 min
Issued by: the Storm Prediction Center

All 38 counties

East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Attala County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Claiborne County, MS, Coahoma County, MS, Copiah County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Lafayette County, MS, Leake County, MS, Leflore County, MS, Madison County, MS, Montgomery County, MS, Panola County, MS, Pontotoc County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 124 km from the middle of the area, began a volume at 21:57 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.

Tornado Watch 128Apr 18, 5:55 PM CDT

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 18, 12:48 PM CDT	Mesoscale Discussion	SPC	Bienville, Claiborne, East Carroll, Jackson, Lincoln, Morehouse and 5 more	87 min
Apr 18, 1:43 PM CDT	Tornado Watch	SPC	Caldwell, Catahoula, Concordia, East Carroll, Franklin, Grant and 11 more	8 hr
Apr 18, 5:52 PM CDT	Tornado Watch	SPC	Calhoun, Chickasaw, Itawamba, Lafayette, Lee, Monroe and 6 more	5 hr
Apr 18, 6:52 PM CDT	Mesoscale Discussion	SPC	Attala, Calhoun, Carroll, Chickasaw, Choctaw, Clay and 12 more	83 min

Nearby

Mesoscale Discussions in Mississippi, 2013 Mesoscale Discussions in Louisiana, 2013 Every mesoscale discussion in 2013

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.