Random FactsCuriousOneJanuary 09, 2017Cold, fact, facts, frieden, frost, hoar, nbc12, occurs, rare, staycurious, veryComment ( @AndrewNBC12 )"HOAR FROST" a very rare frost that occurs when it is very cold and dry Random FactsCuriousOneJanuary 09, 2017Cold, fact, facts, frieden, frost, hoar, nbc12, occurs, rare, staycurious, veryComment