a menacing storm cloud looms over a landscape, casting a dark shadow. the cloud's base is low and ominous,

background water sky summer nature landscape light clouds white cloud black blue sunset rain storm beautiful natural season weather climate atmosphere wind meteorology thunderstorm motion overcast forecast condition outdoor rainstorm danger town disaster low cloudscape cloudy dark dramatic extreme gray grey heavy moving ominous lowhanging severe threatening menacing looms casting shadow cloud#39aph39#s base suggesting potential