'Super fog' is a mixture of smoke and fog that can reduce visibility to just ten feet. Here's how it forms and why it can lead to more deadly traffic pileups.

Topline At least seven people died after a dense mixture of wildfire smoke and fog clouded a busy Louisiana highway this week and caused a 158-car pile up on Interstate 55, an example of what the ...

The National Weather Service defines Super Fog as: Super fog forms when a mixture of smoke and moisture released from damp smoldering organic material such as brush, leaves and trees, mixes with ...

Traffic is at a standstill as a mixture of smoke and fog, known as “super fog” closed Interstate 10 in Louisiana on Tuesday, Nov. 7, 2023. New Orleans police say a stretch of the interstate is ...

Photo caption: Traffic is at a standstill as a mixture of smoke and fog, known as “super fog” closed Interstate 10 in Louisiana on Tuesday, Nov. 7, 2023. Photo courtesy AP. Dense smoke reminiscent of ...

Billowing clouds of Canadian wildfire smoke have transformed blue skies into apocalyptic orange scenes across the eastern United States. But the fuzzy skylines are more than just a bleak sight.

The toll from a series of crashes on I-55 rose to eight dead and 63 injured Tuesday evening, a day after a "super fog" snared more than 160 vehicles in a fiery pileup.