Power surge Lightning damage: If lightning chooses electrical wiring as its primary or secondary path, the explosive surge can damage all the appliances it is connected to. Shock wave damage: Lightning produces shock waves that can be destructive. These shock waves can fracture concrete and brick and stone chimneys severely.
In general the statistics for Lightning Strike Probabilities are about 1 out of 200 houses will be struck by lightning per year, this may very from location and country and is only used as an average.
Anything electronic in your home is susceptible to damage from a lightning strike. The surge of power through the wiring can destroy computers, televisions, and other electronics. It can also damage electrical appliances such as refrigerators. A strike doesn’t have to contact your home directly to cause damage.
Lightning has the ability to strike a house or near a house and impart an electrical charge to the metal pipes used for plumbing. Lightning is a very dangerous force that, yes, can even reach you indoors if you’re in contact with the telephone or plumbing.
Close windows and doors: Stay away from open windows, doors and garage doors as the lightning can travel through the opening to electrocute you. It’s not safe to watch a lightning storm from a porch or open garage door. It’s also best to wait to do your laundry until after the storm.
There are four basic types of damage caused by lightning: physical damage, secondary effect lightning damage, electromagnetic effect damage, and damage caused by changes in ground reference potential. When the air surrounding the lightning channel is heated this rapidly, it expands in a shock wave. This shock wave can damage a structure.