What are the three main categories of damage caused by hurricanes, and which one of them causes both, the highest monitary cost and results in more deaths? What are the three main categories of damage caused by hurricanes, and which one of them causes both, the highest monitary cost and results in more deaths? Shoreine erosion, wind damage, and lightning with shoreline erosion being the most damaging and deadly. Storm surge, wind damage, and inland flooding; with storm surge being the most damaging and deadly. Lightning, wind damage, and inland flooding, with inland flooding being the most damaging and deadly. Wave height, wind damage, and lightning; with wind damage being the most damaging and deadly. Storm surge, shoreline erosion, and lightning, with ilightning being the most damaging and deadly.