Simply put, storm surge is an abnormal rise in sea level accompanying a hurricane or other intense storm, and whose height is the difference between the observed level of the sea surface and the level that would have occurred in the absence of the cyclone. Storm surge is usually estimated by subtracting the normal or astronomic high tide from the observed storm tide. Because of improvements in forecasting, the spread of information and timely evacuations, the number of fatalities from hurricane storm surge has been drastically reduced over the past 30 years. However, the element of risk is always there. The rise in water, coupled with the battering waves on top of the elevated water level is the reason that sometimes millions of people are urged to evacuate their coastal homes.
Storm surge beginnings.
Storm surge in the open ocean. The Right-Front Quadrant. Category 2 and 4 hurricanes at the beachfront. Angle of Attack- a critical aspect to consider.