blue coastline Cornish cornwall crashing England english engulfing foam force Great Britain natural nature ocean power roaring rocks sea seething surf turbulent violent water waves white cliff current fierce flow green norway norwegian outflow pour pure raging river spray steps summer tiers torrent torrential trees Tvindefosse waterfall canada canoeists canoes cloud cold danger exposed glorious glory lake landscape light mountain radiance radiant ripples Rockies Rocky Mountains sky storm stormy sunlight threatening vulnerable Armeria clifftop flowers plants thridt wild breaking cove furious incoming inlet lighthouse pounding powerful shore surging thrift tide amazing angry apocalypse awesome beautiful black clouds color colour creation dez pain fiery forecast grey majestic majesty orange rage skies spectacular sunset swirling tempest thunderhead turmoil UP war weather xymonau yellow alert centre cyclone dangerous global hurricane looking up low pressure meteorology rotate rotating science season spin swirl system tornado tropical turn twister typhoon whirlwind