blue cloud clouds colored colors coloured colours conditions fine formations light shapes skies sky southern spring sun tasmania Tassie textures thin vaporish vapourish variations various cloud formations weather wispy above aeroplane airplane below between flight high in-between plane travel up above air atmosphere cloud formation clouded cumulus dark deep formation gray grey hanging heavy huge massive meteorology nature rain stratus structures water white birds bleak darkness ocean sailing ship shade shadow yachts crescent distant moon big big clouds soft summer wheather lines