Weather alerts in Louisiana, 2011
2,474 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 2,474
- Warnings
- 1,384
- Watches
- 115
- Advisories
- 504
- Busiest month
- April367 alerts
- Busiest day
- March 30, 2011103 alerts
Over time
By month
The alerts
2,474 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bossier Parish200
- Caddo Parish193
- Saint Martin Parish192
- Rapides Parish189
- Washington Parish186
- Lafayette Parish179
- East Baton Rouge Parish177
- Webster Parish173
- Saint Bernard Parish171
- Avoyelles Parish171
- Saint Landry Parish171
- East Carroll Parish170
- Tangipahoa Parish170
- Saint Helena Parish169
- Madison Parish167
- Morehouse Parish165
- Claiborne Parish163
- Saint John the Baptist Parish162
- Evangeline Parish158
- Union Parish158
- Saint Tammany Parish157
- De Soto Parish157
- West Carroll Parish155
- East Feliciana Parish155
- Tensas Parish154
- Allen Parish154
- Concordia Parish152
- Vernon Parish150
- Pointe Coupee Parish147
- Iberville Parish146
- Beauregard Parish146
- West Feliciana Parish145
- West Baton Rouge Parish144
- Saint James Parish143
- Franklin Parish142
- Bienville Parish142
- Lincoln Parish142
- Jackson Parish141
- Richland Parish139
- Livingston Parish138
24 more counties
- Ouachita Parish137
- Catahoula Parish136
- Assumption Parish133
- Natchitoches Parish123
- Sabine Parish123
- Red River Parish121
- Winn Parish119
- Caldwell Parish118
- Jefferson Parish117
- LaSalle Parish114
- Grant Parish109
- Orleans Parish108
- Ascension Parish102
- Saint Charles Parish95
- Plaquemines Parish94
- Acadia Parish94
- Calcasieu Parish91
- Lafourche Parish84
- Vermilion Parish83
- Jefferson Davis Parish81
- St. Mary Parish72
- Cameron Parish62
- Terrebonne Parish55
- Iberia Parish51
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.