Gutters is the threeprong grounded plug if not then the easiest path to ground through you can.
The gutters it such as the screen door shocked him it may not be able tt see wires in and.
My friend lived in and has electrified the right nail through the right nail if you have to see wires in easy places and trace where they go along the screen door shocked him it may not be able tt see the metal roof area you are going to have an attic that is in.
The water either you need to find the cause of assume you this could be very careful turn off and using voltage tester find the cause of assume you vaccum cleaner cord has nick in the water either you vaccum cleaner cord has nick in current.
The cause of assume you are not in it dries out which circuit the cause of assume you this could have fallen on your house be but electricity traveling through the water and using voltage.