There is no such thing. A vortex that develops in water and may bear some visual resemblance to a tornado is called a whirlpool.
It is simply a tornado. Most tornadoes occur on land.
A tornado on water is called a waterspout.
A tornado over water is called a waterspout.
waterspouts
If there is a tornado, call emergency services or 911 for immediate assistance. It's important to seek shelter in a safe location and follow any instructions from local authorities or emergency management. It's also advisable to have a designated emergency contact and plan in place before a tornado occurs.
Tornadoes are sometimes called twisters. Some people will also call them cyclones, though this is technically incorrect. If a tornado occurs on water it is called a waterspout.
A tornado on water is called a waterspout.
Call for help periodically if you can. Under such circumstances there will be search and rescue teams.
it depends on the tornado damage
A tornado that does not touch the ground is a funnel cloud.
Tornado, which is the preferred scientific term Some people call tornadoes cyclones, though this is technically incorrect, as a cyclone is a different type of storm. A tornado on water is called a waterspout.
A "tornado" of fire is called a firewhirl, but these are not true tornadoes.