Alert archive / Louisiana / Mesoscale Discussions in 2019

Mesoscale Discussion 309

April 12, 201917 parishes in Louisiana; 10 counties in Mississippi

The Storm Prediction Center issued this mesoscale discussion at Apr 12, 2019, 3:45 PM CDT for 17 parishes in Louisiana; 10 counties in Mississippi. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Apr 12, 2019, 3:45 PM CDT (20:45 UTC)
Expired: Apr 12, 2019, 5:45 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 5%

All 27 counties

Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA, LaSalle Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Tensas Parish, LA, Vernon Parish, LA, West Feliciana Parish, LA, Adams County, MS, Amite County, MS, Claiborne County, MS, Copiah County, MS, Franklin County, MS, Jefferson County, MS, Lawrence County, MS, Lincoln County, MS, Pike County, MS, Wilkinson County, MS

The radar

The Ft Polk radar (KPOE), 98 km from the middle of the area, began a volume at 20:45 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
Apr 12, 3:20 AM CDT	Mesoscale Discussion	SPC	Avoyelles, Catahoula, Concordia, Tensas, West Feliciana	55 min

Nearby

Mesoscale Discussions in Louisiana, 2019 Mesoscale Discussions in Mississippi, 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.