Weather alerts in Louisiana, 2017
3,414 weather alerts in 2017, 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 2017. Tap one for its archive.
- Alerts
- 3,414
- Warnings
- 1,669
- Watches
- 92
- Advisories
- 548
- Busiest month
- August588 alerts
- Busiest day
- April 2, 2017131 alerts
Over time
By month
The alerts
3,414 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 Martin Parish211
- Saint Landry Parish198
- Calcasieu Parish198
- Allen Parish193
- Cameron Parish187
- Tangipahoa Parish186
- Evangeline Parish183
- Washington Parish180
- Beauregard Parish179
- Lafayette Parish176
- East Baton Rouge Parish175
- Rapides Parish171
- Saint John the Baptist Parish171
- Bossier Parish170
- Saint Tammany Parish168
- Caddo Parish167
- East Feliciana Parish166
- Saint Helena Parish165
- Vernon Parish163
- Acadia Parish162
- West Feliciana Parish162
- Jefferson Davis Parish161
- Webster Parish158
- De Soto Parish154
- Pointe Coupee Parish153
- Natchitoches Parish151
- West Baton Rouge Parish147
- Sabine Parish147
- Avoyelles Parish144
- Winn Parish143
- Livingston Parish142
- Iberville Parish141
- Saint James Parish141
- Grant Parish140
- Assumption Parish134
- Orleans Parish132
- Saint Charles Parish130
- Union Parish129
- Tensas Parish128
- Claiborne Parish128
24 more counties
- LaSalle Parish128
- Red River Parish128
- Saint Bernard Parish126
- Concordia Parish122
- Bienville Parish122
- Vermilion Parish121
- Madison Parish119
- Ouachita Parish118
- Jefferson Parish117
- East Carroll Parish116
- Caldwell Parish116
- Jackson Parish115
- Lincoln Parish115
- Franklin Parish110
- Ascension Parish110
- Catahoula Parish109
- Lafourche Parish106
- West Carroll Parish102
- Morehouse Parish101
- Richland Parish98
- St. Mary Parish95
- Iberia Parish82
- Plaquemines Parish78
- Terrebonne Parish67
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.