blow climate conditions direction east north south vane weather weather vane west wind air compass decoration directional indication indicator metal meteorological meteorology orientation point pointing sign sky symbol weather-vane weathercock windcock windy arrow black blue nautical sail silhouette desert mill paracas bushes clouds house siding turrett wind vane windows aeolian aeolian park electricity generator cata-vento flag helicopter red roof storm tempest warning white cloud cock tower weathervane architecture background element elements lighthouse saavem texture measure monitoring mountains propeller speed station