cloud danger evening light looming menace menacing omen ominous sky storm angry apocalypse darkness deluge gray grey judgement violent clouds field grass lightning mustard plains prairie rain ribbon wind background Indian Ocean ocean sea skyscape wallpaper water weather America bushes dead landscape nature south tree trees boats colors moody mountains sand shoreline Nyberg raining thunder blue fierce malignant summer black foreboding gather imminent threatening violence glow house kiev sun sunset surround village