Excessive Heat Warnings in Louisiana
195 excessive heat warnings since 1986. 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Excessive Heat Warnings
- 195
- Busiest year
- 202395 excessive heat warnings
- Average year
- 13over 15 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint John the Baptist Parish52
- Saint Bernard Parish50
- Saint James Parish50
- East Baton Rouge Parish48
- Tangipahoa Parish47
- Assumption Parish46
- West Baton Rouge Parish46
- West Feliciana Parish46
- Iberville Parish45
- Pointe Coupee Parish45
- East Feliciana Parish44
- Saint Helena Parish44
- Washington Parish43
- Orleans Parish42
- Saint Tammany Parish42
- Avoyelles Parish41
- East Carroll Parish41
- West Carroll Parish41
- Natchitoches Parish41
- Saint Landry Parish40
- LaSalle Parish40
- Madison Parish39
- Caldwell Parish39
- Grant Parish39
- Ouachita Parish39
- Jefferson Parish39
- Livingston Parish39
- Morehouse Parish38
- Richland Parish38
- Bossier Parish38
- Caddo Parish38
- Winn Parish38
- Ascension Parish38
- De Soto Parish37
- Jackson Parish37
- Red River Parish37
- Union Parish37
- Plaquemines Parish37
- Rapides Parish36
- Sabine Parish36
21 more counties
- Lincoln Parish35
- Catahoula Parish34
- Franklin Parish34
- Tensas Parish34
- Bienville Parish34
- Claiborne Parish34
- Webster Parish33
- Saint Martin Parish33
- Concordia Parish32
- Evangeline Parish32
- Lafayette Parish32
- Iberia Parish31
- Vernon Parish30
- Allen Parish29
- Vermilion Parish29
- Acadia Parish28
- St. Mary Parish28
- Beauregard Parish25
- Cameron Parish21
- Jefferson Davis Parish20
- Calcasieu Parish19
Nearby
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.