That depends on where you are relative to the tornado. Most tornadoes travel in an easterly direction, so if you are watichng a tornado and are south of it, it will move to your right, and if you are north of it, it will move to your left.
A wedge tornado is a tornado that appears wider than it is tall.
No. A tornado and a twister are the same thing.
Yes. A river, forked or not, will not affect a tornado.
There is no such thing as an E4 tornado. You most likely mean an EF4 tornado. The estimated winds for an EF4 tornado are 166-200 mph. That is equivalent to a category 5 hurricane (winds 156 mph or greater).
south African rand
Yes. Tornado Alley is in the south of the U.S.A.
Tornado Alley did not "hit" South Dakota because it is not an event. It is a place that some include South Dakota as a part of.
The largest tornado on record for South Dakota appears to be an F3 tornado that occurred on June 20, 1968 near Alexandria. It was a mile and a half wide.
It depends on which tornado you are referring to. South Dakota has had many tornadoes. Most have not been killers but some have been. So far in 2010, however, the have been no tornado fatalities in South Dakota.
the tornado kind
Absolutely. A tornado usually follows the path of the storm in which it results. So, if a storm is going south, the tornado has a high priority of going south. It is also possible for a tornado to go in a different direction than the storm in which it forms. For example, if a storm is headed west, a tornado could develop and go north. Hope this is helpful.
A tornado is a kind of vortex so yes, in some ways.
A tornado is itself a kind of vortex, and can have smaller vortices inside of it.
mostly cold fronts
A tornado emergency is a special kind of tornado warning that is issued when a large tornado is threatening a populated area. A tornado emergency indicates a more dangerous situation than an ordinary tornado warning.
waterspouts