I have a whiteboard, generously given as a birthday present by Elephant. For the last six-odd months, there has been a diagram on it which I had been working on for some time. As time passed and other stories became more pressing, I just left it up and began to cover it with other notes.

Well, thanks to the wonderful and easy-to-use Dia software (which is free, of course), I can now present it to you in all of its redacted glory, below.

Many people want to simplify the effects and causes of Katrina’s devastation. If you’ve been reading this blog you know that dumbing things down is not my style and that complex relationships deserve to be fully explained. So, here you go, notes to follow (just click on the image for the full-size graphic):

I’m sure people will ask me where I got the info in the comments, so I’ll wait until then to give sources.