Alert archive / Louisiana / Mesoscale Discussions in 2017

Mesoscale Discussion 911

May 28, 201717 parishes in Louisiana; 11 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 28, 2017, 7:34 PM CDT for 17 parishes in Louisiana; 11 counties in Texas. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued
May 28, 2017, 7:34 PM CDT (00:34 UTC)
Expired
May 28, 2017, 8:30 PM CDT
In force
56 min
Issued by
the Storm Prediction Center
All 28 counties

Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Caldwell Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Sabine Parish, LA, Union Parish, LA, Webster Parish, LA, Winn Parish, LA, Cherokee County, TX, Gregg County, TX, Harrison County, TX, Houston County, TX, Nacogdoches County, TX, Panola County, TX, Rusk County, TX, San Augustine County, TX, Shelby County, TX, Smith County, TX, Upshur County, TX

The radar

The Shreveport radar (KSHV), 39 km from the middle of the area, began a volume at 00:34 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.

IssuedProductOfficeCountiesLasted
May 28, 7:08 PM CDTSevere Thunderstorm WatchSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Catahoula and 10 more6 hr
May 28, 9:16 PM CDTMesoscale DiscussionSPCAllen, Avoyelles, Beauregard, Calcasieu, Catahoula, Concordia and 9 more59 min
May 28, 7:19 PM CDTMesoscale DiscussionSPCDuval, Jim Hogg, La Salle, Live Oak, McMullen, Webb and 1 more56 min
May 28, 7:40 PM CDTSevere Thunderstorm WatchSPCBrooks, Cameron, Duval, Hidalgo, Jim Hogg, Jim Wells and 10 more8 hr
May 28, 9:41 PM CDTMesoscale DiscussionSPCBrooks, Duval, Jim Hogg, Jim Wells, La Salle, Live Oak and 3 more64 min
May 29, 2:02 AM CDTMesoscale DiscussionSPCAransas, Brooks, Cameron, Duval, Hidalgo, Jim Wells and 6 more118 min

Nearby

Mesoscale Discussions in Louisiana, 2017Mesoscale Discussions in Texas, 2017Every 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.