Severely bad weather is one of the few things that can still awe people while causing large-scale catastrophes. Especially if you live in the US, you most likely have witnessed a dangerously large storm during the tornado season. Preparing for those situations is crucial for the safety and survival of you and your family, and while you can always keep an eye on the news for weather reports, you can also use your Linux system to draw conclusions yourself. There are a couple of free software tools that offer more ???specialized??? information that goes well beyond air speed and temperature.