Because of the sudden floods have severity and moves very quickly, and the chance to escape, so there is less. Thus, the damage from the floods is very abrupt, all for an unforgettable life and property.
Due to severe flooding and moving very fast and the opportunity to prevent the escape was less. The damage from flooding is a whole lot of lives and property.
Due to flood the intensity and moving at very fast the opportunity to prevent and escape are small. So the damage from the flood, so there is a whole lot to life and property.