Ans: Tidal surge meaning is same as the destination of the storm surge. There are different methods by which you can measure the intensity of the surge. The main and common method is to measure the increased level of the water as compared to the normal tidal level. Another method includes the atmospheric pressure sensor, which can plot when the storm is coming into the area. This will give you the proper height of the cyclone or surge. It will also measure the level of water over the sensor.