There is no real word that starts with "a" that means tornado. However there is something called an anticyclonic tornado. An anticyclonic tornado is a rare variety of tornado that spins opposite of the normal direction (i.e. it spins clockwise if in the northern hemisphere and counterclockwise if in the southern.)
Twister
Another name for a tornado is a twister.
Tornado
Whirlwind?
tornado
tornado
ximenia
The word is ravine.
Emmanuel which is another name for Jesus.
Erwin Schrodinger Frederick Sanger
No. A cyclone is a different kind of weather event.
Another word for tornado is also called cyclones.