The American Veterinary Medical Association has put together an excellent free guide, that can help pet owners be prepared for any type of natural disaster. In my case, I would be extremely resistant to ever leaving my home, but what if evacuation was the only choice? There have been many natural disasters, and animals left behind suffer greatly. No matter what comes, be it natural or man made disasters, there is no way that I will ever abandon my pets. One thing you should know is temporary shelters, like with the Red Cross, they will not allow you to bring pets. It is all kind of depressing to think about, but to be on the safe side, it is better to plan ahead.
Preparedness Before the Disaster
Evacuation Essentials
After the Disaster
In addition, you can find a huge amount of resources with information about disaster preparedness for animal health professionals on the AVMA website as well.