
1) Arctic mist 2) Arctic weather phenomenon 3) Cold weather phenomenon 4) Sparkly mist 5) Winter mist
Found on
https://www.crosswordclues.com/clue/ice-fog

(from the article `Arctic`) ...refinery and other plants in the Kola Peninsula. American scientists in Alaska have detected nickel particles in the air emanating from Norilsk. ...
Found on
http://www.britannica.com/eb/a-z/i/4

A suspension of numerous minute ice crystals in the air, or water droplets at temperatures below 0 Celsius, based at the Earth's surface, which reduces horizontal visibility. Usually occurs at -20F and below.
Found on
http://www.encyclo.co.uk/local/22268

A fog that is composed of small suspended ice crystals. Common in Arctic locations when temperatures are below -30° Celsius and a abundant supply of water vapor exists.
Found on
http://www.physicalgeography.net/physgeoglos/i.html

(also called frozen fog, pogonip) Fog containing suspended ice crystals. Ice fog can form only in extremely cold areas of the world since water remains a liquid down to -40
Found on
http://www.stormfax.com/wxwords.htm

A suspension of numerous minute ice crystals in the air, or water droplets at temperatures below zero degrees Celsius, based at the Earth's surface, which reduces horizontal visibility. Usually occurs at -20 degrees Fahrenheit and below
Found on
http://www.timeanddate.com/weather/glossary.html

[
n] - a dense winter fog containing ice particles
Found on
http://www.webdictionary.co.uk/definition.php?query=ice%20fog

a suspension of numerous minute ice crystals in the air, reducing visibility at the earth's surface; the crystals often glitter in the sunshine; ice fog produces optical phenomena such as luminous pillars and small haloes.
Found on
https://nsidc.org/cryosphere/glossary?page=12

Fog composed of minute ice particles that occurs in very low temperatures (typically minus 30 °C/ minus 22°F or below) under clear, calm conditions in the polar latitudes.
Found on
https://www.encyclo.co.uk/local/21131

Fog composed of ice crystals instead of water droplets. Ice fog forms when clear and calm conditions prevail in extremely cold arctic air.
Found on
https://www.encyclo.co.uk/local/22280

(esp. in the far north) a fog composed of minute ice crystals that form in the air in extremely cold temperatures. Also called
Found on
https://www.infoplease.com/dictionary/ice-fog
No exact match found.