If the power goes out while you are gone, but comes back on, your fairly full freezer should be OK even if the outage lasts for up to 24 hours. For example, if food contains ice crystals and is not above 40 degrees F. you can refreeze it, but some texture and flavor may be lost in such things as fish, shellfish, or breaded seafood products. Ice cream and frozen yogurt will not hold up so well - you should discard them. Cheeses, eggs out of the shell or egg products, fruit juices, cakes, pies, pastries, pie crusts, breads and even flour, cornmeal and nuts can be refrozen as long as they do not get above 40 degrees. F. Foods thawed and held above 40 degrees for over two hours should be discarded with the exception of hard cheeses, some juices, flour, cornmeal, pie crusts, bread, rolls, etc.
Outages happen for all types of reasons, so keep inexpensive plastic foam coolers on hand.
A digital quick-response thermometer is a good investment for any time of the year. This thermometer can quickly check the internal temperatures of food for doneness and safety - an indispensable kitchen tool. Bottled water is necessary if you are on a well, which requires electricity to make the pump work. Be sure to store water in clean plastic bottles. While getting storm prepared, put flashlights in convenient places.