Weather alerts in Louisiana, 2021
3,994 weather alerts in 2021, 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 2021. Tap one for its archive.
- Alerts
- 3,994
- Warnings
- 1,828
- Watches
- 112
- Advisories
- 649
- Busiest month
- April686 alerts
- Busiest day
- April 10, 2021100 alerts
Over time
By month
The alerts
3,994 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.
- Saint Tammany Parish364
- Tangipahoa Parish255
- East Baton Rouge Parish235
- Orleans Parish229
- Washington Parish224
- Saint John the Baptist Parish219
- Saint James Parish203
- Saint Helena Parish197
- Bossier Parish196
- Caddo Parish192
- Saint Landry Parish191
- Calcasieu Parish189
- Saint Bernard Parish187
- Cameron Parish186
- Beauregard Parish182
- Saint Martin Parish179
- Assumption Parish176
- Rapides Parish174
- Lafayette Parish173
- Allen Parish172
- Iberville Parish170
- Livingston Parish168
- West Baton Rouge Parish166
- Evangeline Parish165
- Webster Parish162
- Jefferson Parish162
- De Soto Parish161
- East Feliciana Parish159
- Bienville Parish158
- West Feliciana Parish152
- Avoyelles Parish148
- Claiborne Parish148
- Union Parish148
- Vernon Parish147
- Pointe Coupee Parish143
- Ascension Parish139
- Red River Parish139
- Ouachita Parish138
- Saint Charles Parish137
- Natchitoches Parish132
24 more counties
- Sabine Parish131
- Jefferson Davis Parish129
- Lincoln Parish128
- Jackson Parish126
- Winn Parish125
- Lafourche Parish120
- Acadia Parish119
- LaSalle Parish119
- Caldwell Parish117
- Grant Parish116
- Morehouse Parish107
- West Carroll Parish106
- East Carroll Parish104
- Concordia Parish104
- Plaquemines Parish100
- Vermilion Parish97
- Catahoula Parish97
- Madison Parish95
- Richland Parish93
- Franklin Parish91
- Tensas Parish85
- Terrebonne Parish83
- St. Mary Parish61
- Iberia Parish53
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.