black blue night sky with clouds. dark dramatic sky background. storm, rain. frightening, ominous atmosphere.

sky cloud darkness horizon cumulus blue light dusk wave text sunlight monochrome dawn ocean sea background purple violet glow landscape sunset deep cloudy weather summer rainy hurricane wind texture abstract pattern nightmare scary spooky evil moon mystic eerie terrifying fear overcast outdoor heavy thunder majestic awe nature natural danger lightning season fantasy gray stormy heaven cloudscape elegant ombre gradient color black evening night clouds dark dramatic background storm thunderstorm rain frightening ominous moody creepy atmosphere