By definition a tornado must be in contact with both the ground and the cloud base. So, in that sense, yeas. But this only means that the violent circulation must make this connection, not necessarily the visible funnel.
Additionally, sometimes a tornado starts to form, but dissipates before touching down, but in that case it is not considered a tornado.
Techincally, 100%. If it does not touch the ground it is not considered a tornado. The number of potential tornadoes that do not touch down is not known, as these weaker circulations are often difficult to detect.
Yes. In order to be considered a tornado the vortex, though not necessarily the visible funnel, mus touch the ground.
They don't. By definition, a tornado must be in contact with the ground.
Tornadoes come down to the ground by a lowering wall cloud. It is basically a wall of dark clouds descending. If the conditions are right, it can tighten up to become a tornado.
Tornadoes have been recorded as narrow as 3 feet.
not tornadoes do not have names they only get named by the place where they touch down
Yes, tornadoes do touch the ground. If the don't they are not considered tornadoes. However, in order to qualify the visible funnel does not have to reach ground winds, just the vortex of wind.
On average 3 tornadoes touch down in Maryland each year.
There were several tornadoes in Florida in March of 2011, They did indeed touch the ground; they wouldn't have been tornadoes otherwise.
Techincally, 100%. If it does not touch the ground it is not considered a tornado. The number of potential tornadoes that do not touch down is not known, as these weaker circulations are often difficult to detect.
Yes. In order to be considered a tornado the vortex, though not necessarily the visible funnel, mus touch the ground.
Only if they touch the ground or produce damaging wind at ground llevel.
It depends what you call a tornado. Most tornado-like clouds do not touch the earth's surface. Some say that until it touches the ground it is not a tornado but a funnel cloud; however the definition of a tornado does not state that it must touch the ground. It all depends on what you're taught.
Yes, it happens all the time.
Tornadoes form from the sky.
Yes. About 42% of tornadoes happen at night.
Tornadoes are virtually unheard of in Nevada, but can and do occur.