Unplug appliances not necessary for obtaining weather information. Avoid using the telephone or any electrical appliances. Use phones only in an emergency. Do not take a bath or shower. Turn off air conditioners.
Power can overload the compressors.
Get to higher ground if flash flooding or flooding is possible. Do Not attempt to drive to safety. Most flash flooding deaths occur in automobiles. Find a low spot away from trees, fences, and poles. Make sure the place you pick is not subject to flooding.