Get out of boats and away from water. Telephone lines and metal pipes conduct electricity. Unplug and avoid using electrical appliances. Use the telephone only in an emergency. Turn off air conditioners.
Power surges from lightning can overload compressors.
Do not take a bath or shower. Make sure the place you pick won't be subject to flooding. If you are in the woods, take shelter under the shorter trees. Place your hands on your knees and your head between them. Make yourself as small as possible and minimize contact with the ground.