abstract appearance background blended blue cloud clouds colored colors coloured colours conditions fine formations light shapes skies sky southern spread spreading sun textures thin vaporish vapourish variations various-cloud-formations weather white wispy advice alert appropriate-behavior appropriate-behaviour area assemble assembling Assembly communicating communication direction emergency evacuate evacuation gathering green meeting meeting-place message outdoors outside people place point safety security sign staff workers Australian crease creased creases emblem emblematic fabric flag fold historic material movement part Patriotic patriotism red Southern Cross star stars state flag symbol textile western australia Western Australian State flag