While wind shears in the upper atmosphere are usually vertical, they tend to be horizontal closer to the runway. Horizontal wind shears can create eddies or swirls, of air that cause turbulence. A microburst is a type of wind shear associated with a thunderstorm and caused by a current of sinking air.
Apple Music. Not to be confused with Apple Records. Apple Music is a music-streaming service, developed by Apple Inc. Users select music to stream to their device on-demand, or they can listen to existing, curated playlists.
Apple Music vs Spotify comparison: Catalogue. Apple Music takes advantage of Apple's already huge iTunes Library, which has more than 40 million tracks, though you'll only get just over 30 million of those as part of the streaming service.