1 When not adjusted for inflation, population and wealth normalization. Sandy ranks sixth when accounting for those factors (records of costliest cyclones began in 1900). 2 Deaths occurring as a direct result of the forces of the cyclone are referred to as "direct" deaths. These would include those persons who drowned in storm surge, rough seas, rip currents, and freshwater floods. Direct deaths also include casualties resulting from lightning and wind-related events (e.g., collapsing structures). Deaths occurring from such factors as heart attacks, house fires, electrocutions from downed power lines, vehicle accidents on wet roads, etc., are considered "indirect" deaths.