air compass decoration direction directional east indication indicator metal meteorological meteorology orientation point pointing sign sky symbol vane weather weather-vane weathercock west wind windcock windy arrow black blue nautical sail silhouette advice advising communicating communication communications directing satellite-station signs space space-technology technology tracking weathered white wording words aeroplane aid aircraft airfield airplane assist aviation breeze bright climate conditions flight indicate orange pilot pilots pointer sock speed windsock afternoon sky autumn Autumn sky clouds colors colours fall formations gray grey late afternoon layers levels skies skyshow variations weather indicators cloud colored coloured directions fine light multi-level shapes southern streaky textures thin vaporish vapourish various various-cloud-formations weather-indicators wispy late-afternoon sun