Definition of ice fog in US English:

ice fog


North American
  • Fog formed of minute ice crystals.

    • ‘Alaska's ice fog and lack of daylight during the winter months can further impede search efforts.’
    • ‘Those who stick around deal with ice fog and isolation, but they do so with roots growing deep.’
    • ‘The ice fog that accumulates is due to an air inversion that traps the air.’
    • ‘Even in calm conditions, ice fog can form over the runway in extreme cold (-30 degrees F and below).’