Tornadoes require a fairly specific set of conditions to develop. The factors have to come together in just the right way.
Tornadoes can merge, though it is a rare event.
It can happen, but it is rare. When tornadoes do merge it usually involves a large tornado absorbing a small one, so the size of the vortex will not be significantly influenced.
Tornadoes are likely possible in Rio, but rare.
Yes, but they are rare
the fewer tornadoes the less prepared people are. like, tornadoes in California are very rare so people are not expecting it to happen. but when a tornadoes does hit California, people are not prepared and they have a greater chance of dieing.
Yes. Hawaii will get tornadoes on rare occasions.
Yes, tornadoes can occur in Hawaii, but they are very rare.
Yes, Wyoming averages about 12 tornadoes per year. Strong tornadoes, though are rare.
The highest incidence of tornadoes in Hawaii appears to be in the months of January-March. However, tornadoes in Hawaii are extremely rare, so there really is no good time to see them.
Yes, tornadoes can occur in England, but they are relatively rare compared to tornadoes in other parts of the world like the United States. England experiences about 30 tornadoes per year on average, but they are generally weaker and cause less damage than tornadoes in other regions.
Yes. Orange County, California has had tornadoes at least as recently as 2010.
No. Tornadoes are rather rare in Washington. Strong tornadoes capable of producing major damage are extremely rare. The state has never recorded a violent (F4 or F5) tornado.