Alert archive / Louisiana / Tornado Watches / 2011
Tornado Watches in Louisiana, May 2011
6 tornado watches in May 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in May 2011. Tap one for its archive.
- Tornado Watches
- 6
- Busiest day
- May 20, 20112 tornado watches
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 12:47 PM CDT | Tornado Watch | SPC | Bossier, Caddo, Claiborne, Webster | 8 hr |
| May 20, 11:03 AM CDT | Tornado Watch | SPC | Bossier, Caddo, Claiborne, Webster | 7 hr |
| May 20, 5:56 PM CDT | Tornado Watch | SPC | Bossier, Caddo, Webster | 3 hr |
| May 24, 8:05 PM CDT | Tornado Watch | SPC | Bossier, Caddo | 7 hr |
| May 25, 3:16 PM CDT | Tornado Watch | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 14 more | 7 hr |
| May 25, 9:43 PM CDT | Tornado Watch | SPC | Avoyelles, Caldwell, Catahoula, Concordia, East Carroll, Franklin and 14 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bossier Parish5
- Caddo Parish5
- Webster Parish4
- Claiborne Parish3
- Caldwell Parish2
- Grant Parish2
- Jackson Parish2
- LaSalle Parish2
- Morehouse Parish2
- Natchitoches Parish2
- Ouachita Parish2
- Richland Parish2
- Sabine Parish2
- West Carroll Parish2
- Winn Parish2
- Bienville Parish1
- De Soto Parish1
- Lincoln Parish1
- Red River Parish1
- Union Parish1
- Avoyelles Parish1
- Catahoula Parish1
- Concordia Parish1
- East Carroll Parish1
- Franklin Parish1
- Madison Parish1
- Rapides Parish1
- Tensas Parish1
- Vernon Parish1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.