water. The object displaces the water or medium the wave is travelling through and the medium moves in an upward motion. However, because of gravity, the water or medium is pulled back down and the repetition of this cycle creates the transverse wave motion.

The undular bore's wavelength can measure 5 mi peak to peak and can travel 16 km/h to 95 km/h. The medium it travels through is the atmosphere. There are several varying types of bores in different