WATCH: Tornado-like waterspout in Iligan City caught on video

A tornadic waterspout, a tornado that forms over water, occured Wednesday in Iligan City and was caught on video that has gone viral online.

Facebook user Jessie Francisco Daniel posted the footage and said the "tornado" was spotted in Barangay Acmac at around 3:40 p.m. on October 26, adding that the occurence happened thrice.

According to the NOAA's National Ocean Service, "tornadic waterspouts are tornadoes that form over water, or move from land to water. They have the same characteristics as a land tornado. They are associated with severe thunderstorms, and are often accompanied by high winds and seas, large hail, and frequent dangerous lightning."

Tornadic waterspouts "normally develop in moisture-laden environments as their parent clouds are in the process of development, and it is theorized they spin as they move up the surface boundary from the horizontal shear near the surface, and then stretch upwards to the cloud once the low level shear vortex aligns with a developing cumulus cloud or thunderstorm," states an entry on Wikipedia.

Residents said it was raining hard in nearby areas during the occurence of the waterspout. Some said they were terrified upon witnessing the phenomenon while others laughed it off saying they were even swimming at the beach near it.