Grist: I know what you`re thinking: Clouds can`t possibly be that complicated, right? They`re just a bunch of water vapor hanging out in the atmosphere, and sometimes they leak.
Sure, there are a lot of variables at stake: temperature on land and at sea, wind speeds both local and global, humidity, pressure, not to mention a changing climate. And, yes, clouds are subject to chaotic physical forces such that even the most detailed measurements can`t explain what will happen more than a few hours into...