bleak blue cloud clouds colored colors coloured colours conditions darkness formations light ocean rain shade shadow shapes skies sky sun textures variations various cloud formations weather aeroplane aid aircraft airfield airplane assist aviation breeze bright climate communication direction flight indicate indicator orange pilot pilots point pointer sock speed wind windsock beach chill chilly cold cool crystal day freeze freezing frost frosty frozen ice icicle icy log Morning season snow snowy splinter temperature winter wood advent apocalypse christian images end of days fear glory halloween hell hellfire horror midnight cry rays second coming spectacular sun rays thunder turmoil wild xymonau air atmosphere cloud formation cumulus dark formation grey heavy huge massive meteorology nature stratus structures water wheather white blue sky cirrus soft tiny white clouds autumn brown christmas close-up fall foliage forest leaf maple plant red rime woods xmass chopped covered covering cut drift felled fuel logged logs natural pile sawn snowfall stack supply tree summer black changing cloudy color colour contrast darkening daylight fronds gray palm-trees palms silhouettes sunlight sunshine trees fine southern thin vaporish vapourish wispy