Alert archive / Louisiana / Mesoscale Discussions in 2009
Mesoscale Discussion 277
The Storm Prediction Center issued this mesoscale discussion at Mar 26, 2009, 3:06 PM CDT for 14 parishes in Louisiana; 6 counties in Texas. It was in force for 54 min.
The area
The outline as issued.
The facts
- Issued
- Mar 26, 2009, 3:06 PM CDT (20:06 UTC)
- Expired
- Mar 26, 2009, 4:00 PM CDT
- In force
- 54 min
- Issued by
- the Storm Prediction Center
Counties Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vermilion Parish, LA, Vernon Parish, LA, Hardin County, TX, Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX, Tyler County, TX
The radar
The Lake Charles radar (KLCH), 24 km from the middle of the area, began a volume at 20:10 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.
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 8:32 PM CDT | Mesoscale Discussion | SPC | Allen, Avoyelles, Beauregard, Caldwell, Catahoula, Concordia and 15 more | 88 min |
| Mar 25, 8:54 PM CDT | Tornado Watch | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 32 more | 7 hr |
| Mar 25, 11:38 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Lafayette and 15 more | 97 min |
| Mar 26, 1:25 AM CDT | Mesoscale Discussion | SPC | Jefferson, Lafourche, Orleans, Saint Bernard, Saint Charles | 35 min |
| Mar 26, 1:36 AM CDT | Tornado Watch | SPC | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more | 9 hr |
| Mar 26, 3:40 AM CDT | Mesoscale Discussion | SPC | Orleans, Saint Bernard | 95 min |
| Mar 26, 3:57 PM CDT | Tornado Watch | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 16 more | 7 hr |
| Mar 26, 5:36 PM CDT | Mesoscale Discussion | SPC | Ascension, Assumption, Avoyelles, Catahoula, Concordia, East Baton Rouge and 26 more | 54 min |
| Mar 26, 5:56 PM CDT | Tornado Watch | SPC | Ascension, Assumption, Catahoula, Concordia, East Baton Rouge, East Feliciana and 20 more | 7 hr |
| Mar 26, 6:56 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Caldwell and 16 more | 94 min |
| Mar 25, 7:12 PM CDT | Tornado Watch | SPC | Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 9 more | 6 hr |
| Mar 25, 7:31 PM CDT | Mesoscale Discussion | SPC | Austin, Brazos, Burleson, Fayette, Grimes, Harris and 9 more | 59 min |
| Mar 26, 9:14 AM CDT | Mesoscale Discussion | SPC | Atascosa, Bandera, Bexar, Blanco, Caldwell, Comal and 16 more | 31 min |
| Mar 26, 9:39 AM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 25 more | 5 hr |
| Mar 26, 12:43 PM CDT | Mesoscale Discussion | SPC | Aransas, Atascosa, Bee, Brazoria, Calhoun, DeWitt and 11 more | 62 min |
| Mar 26, 12:57 PM CDT | Severe Thunderstorm Watch | SPC | Aransas, Bee, Brazoria, Calhoun, Chambers, Duval and 17 more | 6 hr |
| Mar 26, 3:51 PM CDT | Mesoscale Discussion | SPC | Aransas, Brazoria, Calhoun, Chambers, Fort Bend, Galveston and 8 more | 54 min |
| Mar 26, 4:52 PM CDT | Mesoscale Discussion | SPC | Archer, Clay, Comanche, Eastland, Erath, Hamilton and 9 more | 83 min |
| Mar 26, 6:32 PM CDT | Mesoscale Discussion | SPC | Dallam | 4 hr |
Nearby
Mesoscale Discussions in Louisiana, 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.