Alert archive / Texas / Mesoscale Discussions in 2009

Mesoscale Discussion 1801

August 6, 2009Bossier Parish, Caddo Parish, De Soto Parish, Louisiana; 4 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Aug 6, 2009, 3:03 PM CDT for Bossier Parish, Caddo Parish, De Soto Parish, Louisiana; 4 counties in Texas. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued: Aug 6, 2009, 3:03 PM CDT (20:03 UTC)
Expired: Aug 6, 2009, 4:30 PM CDT
In force: 87 min
Issued by: the Storm Prediction Center

Counties Bossier Parish, LA, Caddo Parish, LA, De Soto Parish, LA, Gregg County, TX, Harrison County, TX, Marion County, TX, Panola County, TX

The radar

The Shreveport radar (KSHV), 29 km from the middle of the area, began a volume at 20:04 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, 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
Aug 6, 10:11 AM CDT	Mesoscale Discussion	SPC	Acadia, Allen, Avoyelles, Beauregard, Caldwell, Catahoula and 22 more	94 min
Aug 6, 12:49 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Beauregard, Bienville, Bossier, Caddo, Calcasieu and 14 more	7 hr
Aug 5, 8:33 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Clay, Collin, Cooke, Dallas and 28 more	57 min
Aug 6, 6:32 PM CDT	Mesoscale Discussion	SPC	Angelina, Hardin, Jasper, Sabine, San Augustine, Tyler	58 min

Nearby

Mesoscale Discussions in Texas, 2009 Mesoscale Discussions in Louisiana, 2009 Every mesoscale discussion in 2009

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.