I don’t much believe in traditional outlines, but I do believe in devising methods to keep track of the goings on in your novel. Here’s the link to what Rowling did. You’re going to have to copy and past since I can’t get it to link up within this post. And if that doesn’t work, google “JK Rowling plot” or visit openculture.com and it’s there, somewhere.
http://www.openculture.com/2014/07/j-k-rowling-plotted-harry-potter-with-a-hand-drawn-spreadsheet.html