It’s basically dense fog on steroids - and it’s called super fog. Super fog forms when there is particulate matter in the atmosphere such as wildfire smoke present on top of dense fog.

Troopers are warning drivers about possible super fog Thursday morning in parts of ... to ride comfortably and easily' “Captain America: Brave New World” soars past expectations with $100 ...

Channel 9 will also be monitoring for areas of smoke that may combine with fog and make especially dense “super fog,” especially over the interior counties.

It impacts visibility, which can decrease to less than 10 feet. “Under light wind conditions, super fog meanders through low terrain areas such as creek beds or drainage ditches. Super fog can ...