Risk Analysis 

A well-structured and prepared Risk Analysis forms the very cornerstone of most lightning protection systems and yet many people do not understand or regularly use them. Here we assemble some useful information to assist in the understanding of this important subject.

Lightning Enterprises own pre–Risk Analysis questionnaire based on the Dehn Risk Tool: Example Questionaire (002)

Ok there are now newer versions of this map, however its always useful to know and understand information available both today and in the past. Flash Density Map 2014