Lightning find a safe place until it passes ! lightning hit our old house corner of the garage went to ground in the rebar in the concrete blew out 18 inches, split the corner garage framework, blew out all the electronics, TV, computer and other things. guy's had a couple horses out in a wet open meadow lightning hit aways away killed the horses. local motorcycle rider with bunch of other riders pulled off the blacktop and lightning hit and killed one of them. you would think being in a houses garage would be safe it ain't, an old way of grounding a house was ground to rebar in the stem wall orc concrete slab I'm not sure if they do that anymore , we did our new house with a separate grounding rod.