superfog

or su·per fog

[ soo-per-fawg, fog ]

noun

1. a combination of fog generated by weather conditions and wildfire smoke from damp, smoldering brush, leaves, trees, and other organic materials that often reduces visibility to less than 10 feet.

Word History and Origins

Origin of superfog¹

Coined in 2003 by U.S. researcher Gary L. Achtemeier; super ( def ) + fog ¹( def )

Example Sentences

And wreckage is seen on Interstate 55 in Louisiana after a “superfog” caused scores of vehicles to collide.

From Seattle Times

Smoke from the fires mixed with fog to create a “superfog.”

From Washington Times

It said smoke from the fires mixed with fog to create a “superfog.”

From Seattle Times