Aldis gives detailed analyses of thunderstorm activity within a certain region and a certain time period. Beside the number of lightning flashes, information about lightning peak current, polarity distribution and number of subsequent strokes can be given.
A location analysis regarding thunderstorm hazard under consideration of local conditions (type of electrical power supply, connecting lines, structure of the building) can give conclusions about the necessity of lightning and over voltage protection.
Damage analyses can give important hints about weaknesses of preventive measures.