Advisory Circular LA is a twitter bot that tweets, in real time, when it detects aircraft flying in circles over the Los Angeles metro area. Helicopters and fixed wing aircraft flown by news stations, police departments, and fire departments are an ambient part of LA airspace, and one of their most stereotypical behaviors is flying in circles over something interesting. Every circle tells a story, and this bot begins to surface those stories. [more inside]
Curious which way the wind blows? Here's a map of historical winds in California and here's a detailed view of Honolulu. WindHistory is an interactive web map that shows wind roses for 2500 stations in North America. Built with SVG, Polymaps, and D3.