Well before a storm arrives, know where you are going to go for shelter and how long it takes to get there, if you know your home is unlikely to survive. If you have children, understand the sheltering policies at local schools and how well the schools are set up to serve as shelters for students.
More likely than not, however, your aren't going to lose your home, Carbin notes. It's much more likely that you'll be without electricity for a period.
Be sure to have plenty of canned food in the cupboard, and have at hand bottled water, a small camp stove or other gas-fired stove for cooking, a first-aid kit, and other supplies. Keep important papers in a ready-to-grab file you can snatch on your way out the door if you need to leave in advance of a storm. And be sure to talk through any plan you devise with children, including a communications plan. A tornado could strike while family members are in different locations around town.
With the proliferation of mobile phones, one approach is to use text messages, rather than voice calls. Text messages leave more of a cell network's capacity available for emergency workers, assuming the cell towers remain intact. Simple apps, such as "I am OK!" are specifically designed to send out a short text burst that can be posted to several social media sites as well as sent as a text message to a list of contacts a user designates.