the frosty pattern on window glass occurs due to the condensation of water vapor on glass cooled below 0 degrees. frost

frosty pattern window glass condensation water vapor cooled flower curl crystal morning yellow orange low winter sun horizon sunny freezing frost freeze polar arctic northpolar cold chill coldness algidity city town design tracery weave icy frozen glacial wintry algid solar shiny sunshiny heliacal heliac grain ice spring tundra