Haiyan storm surge

Storm surges are amazing. I've never seen one happen but I've seen the aftermath. A video has surfaced of a storm surge hitting Hernani in Eastern Samar, shot from the second floor of a house that was a few hundred meters from the coast. A storm surge is a mound of water caused by the wind of a hurricane (or other storm) pushing the water ahead of it, and further heightened by the low pressure system of the storm. In a given major storm there can be many, but there seems to be one big one most of the time. If the surge happens at high tide it is worse. If it happens at spring high tide…