Simplify the following text for a Grade 7 native English-speaking person.
Original: The satellite tornado may appear to `` orbit '' the larger tornado ( hence the name ) , giving the appearance of one , large multi-vortex tornado .
Simplified: However , if there is a tornado watch , no tornadoes have been seen yet . A `` tornado warning '' is issued if someobdy has actually seen a tornado or if a tornado has shown up on radar .