Tornadoes can travel in any direction, but most often move northeast. Wind itself often rotates about the tornado's center, counterclockwise in the northern hemisphere and clockwise in the southern. Some tornadoes also contain smaller subvortices.
A funnel cloud that touches the ground is commonly known as a tornado.
A tornado that doesn't touch the ground isn't a tornado; it is a funnel cloud. However if the funnel is pulling debris off the ground or making some other type of contact with the ground it is a tornado.
Tornadoes can pick up dust and debris from the ground as they travel, creating a dusty appearance. The strong winds within a tornado can lift dirt particles into the air, making them visible as swirling dust clouds.
When a tornado has not touched the ground yet, it is called a funnel cloud. A funnel cloud is a rotating cone-shaped cloud descending from the base of a thunderstorm but not reaching the ground. Once it touches the ground, it is classified as a tornado.
I believe you are asking how fast tornadoes can travel. This varies. The average tornado moves at 35 miles per hour. Tornadoes may be stationary or may, in very rare cases, move at over 70 mph.
average of 30mph and can reach over 70mph
It is a tornado.
A very small country perhaps. In rare cases a tornado may travel over 100 miles, which is enough to cross some countries.
It varies widely. The average tornado is on the ground for about 8 kilometers. But some tornadoes are only on the ground for a few meters. At the other end, other tornadoes have had damage paths hundreds of kilometers long. The longest tornado damage path on record is 352 kilometers.
A tornado that does not touch the ground is a funnel cloud.
The average tornado travels at 35 mph. Some tornadoes are stationary or nearly stationary. One tornado in 1925 was determined to have traveled at 73 mph at one point.
Tornadoes can vary in speed from stationary to over 70 mph. Speeds in the range of 25 to 35 mph are the most common.
A funnel cloud that touches the ground is commonly known as a tornado.
A tornado that doesn't touch the ground isn't a tornado; it is a funnel cloud. However if the funnel is pulling debris off the ground or making some other type of contact with the ground it is a tornado.
A tornado often appears dark were it is touching the ground be cause the powerful winds of the tornado lift dirt from the ground.
A tornado typically travels 1 to 2 miles in its time on the ground. However some may travel just a fraction of a mile while a rare few travel more than 100 miles.
The Tuscaloosa-Birmingham tornado of 2011 was on the ground for about 90 minutes.