氷霧 is read as ひょうむ (hyoumu) and means ice fog.
ひょうむ
hyoumu
むひょう
rime
ひょうけつ
freezing
ひょうさくき
ice-shaving machine
ひょうせんせんりょう
insoluble azo dye that is cooled with ice during dyeing
こおりがはる
to become frozen over
こおりあずき
bowl of shaved ice with boiled adzuki beans
ひょうがこけっかいこうずい
glacial lake outburst flood
せきむ
evening mist
きり
spray
のうむ
heavy fog
あさぎり
morning fog
くろいきり
thick fog (of suspicion)