Do tornadoes and hurricanes happen on exoplanets?

They form by a few processes, iirc. The super cell is different than the waterspout. Check out the wiki or Google. Mainly wind sheer in a twisting way. Once started it tends to continue through inertia. The whirlpool in a drain is not that differe... read more

Any planet that has any sort of atmosphere will have weather, just like earth or Saturn and Jupiter etc and for the same reasons, heat from the star causing the atmosphere to circulate. read more

A full tornado will have to wait. But we can guess they are there, on the gas giants, Neptune, Uranus, maybe Titan, Mars, Venus, and Triton, too. One place besides Earth has been observed, that being the sun. These tornadoes are extremely large, larger than the entire Earth, and similar in a way of firestorm tornadoes on Earth. read more

Hurricane versus Tornado comparison chart; Hurricane Tornado; About: A hurricane is a cyclone that is located in the North Atlantic Ocean, or the NE Pacific Ocean east of the International Date Line, or the South Pacific Ocean east of 160E, and with sustained winds that reach or exceed 74 mph. read more