Before the storm hits, disconnect electrical appliances including computers, radios and television sets.Keep alert for flash floods, sometimes caused by heavy rainfall, if seeking shelter in a ditch or low-lying area.In a forest, seek shelter in a low-lying area under a thick growth of small trees or bushes.You are safe inside the car, but you may receive a shock if you step outside. You are safe inside a car during lightning, but be aware of downed power lines which may be touching your car.Swinging a golf club, or holding an umbrella or fishing rod can make you the tallest object and a target for lightning. Avoid being the highest point in an open area.Stay away from objects that conduct electricity, such as tractors, golf carts, golf clubs, metal fences, motorcycles, lawnmowers and bicycles.Lightning can strike the water and travel a substantial distance from its point of contact. Don't go boating or swimming if a storm threatens, and get to land as quickly as possible if you are already on the water. Seek shelter in low-lying areas such as valleys, ditches and depressions but be aware of flooding. If you come across someone who has been struck, call for medical assistance immediately and, if breathing has stopped, administer mouth-to-mouth or cardio-pulmonary resuscitation (CPR). People who have been struck by lightning do not carry an electrical charge and can be safely handled, but victims may be suffering from burns or shock and should receive medical attention immediately. Once in a safe location, remain there for 30 minutes after the last rumble of thunder is heard before resuming your outdoor activities. Remember, there is no safe place outdoors during a thunderstorm. Boats with cabins offer a safer environment, but it’s still not ideal. If caught on the water in a small boat with no cabin during thunder and lightning, quickly get to shore. If you are caught outside, don’t stand near tall objects or anything made of metal, and avoid open water.

If you are in your car during lightning, do not park under tall objects that could topple, and do not get out if there are downed power lines nearby.

Avoid using a telephone that is connected to a landline or touching devices that are plugged in for charging. Once indoors, stay away from electrical appliances and equipment, doors, windows, fireplaces, and anything else that will conduct electricity, such as sinks, tubs and showers.

Time between thunder and lightning