At Least 7 Dead as 'Super Fog' Blankets New Orleans, Causing PileupsThe combination of marsh fire smoke and moisture in the air created what a meteorologist called a "perfect storm." Low visibility contributed to the traffic accidents.
Source: At Least 7 Dead as 'Super Fog' Blankets New Orleans, Causing Pileups (https://www.nytimes.com/2023/10/23/us/fog-new-orleans-louisiana-crash.html)