Alert archive / Louisiana / Mesoscale Discussions in 2009

Mesoscale Discussion 2196

December 4, 200911 parishes in Louisiana; 4 counties in Mississippi; Hardin County, Newton County, Orange County, Texas

The Storm Prediction Center issued this mesoscale discussion at Dec 4, 2009, 10:20 AM CST for 11 parishes in Louisiana; 4 counties in Mississippi; Hardin County, Newton County, Orange County, Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Dec 4, 2009, 10:20 AM CST (16:20 UTC)
Expired
Dec 4, 2009, 4:15 PM CST
In force
6 hr
Issued by
the Storm Prediction Center

Counties Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Concordia Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, West Feliciana Parish, LA, Adams County, MS, Franklin County, MS, Jefferson County, MS, Wilkinson County, MS, Hardin County, TX, Newton County, TX, Orange County, TX

The radar

The Lake Charles radar (KLCH), 45 km from the middle of the area, began a volume at 16:22 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.

IssuedProductOfficeCountiesLasted
Dec 4, 12:13 PM CSTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Concordia, East Baton Rouge and 14 more4 hr
Dec 4, 5:22 PM CSTMesoscale DiscussionSPCAcadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 30 more6 hr

Nearby

Mesoscale Discussions in Louisiana, 2009Mesoscale Discussions in Mississippi, 2009Mesoscale Discussions in Texas, 2009Every 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.