cloud formation - asperitas clouds.

2009 abstract apocalypse appreciation armageddon asperatus asperitas background beautiful before belarus blue cloud clouds cloudscape concept crisis dark day dramatic eerie fear fearful first formation formerly gavin global gloomy grim hope horrible inspiration inspirational known landscape life light message meteorology natural nature outdoor popularized poster pretorpinney proposed scary scenic science sky society storm stormy summer sunset terrible texture the type undulatus view weather