No, it is not true.
Such an arrangement would do nothing to stop a tornado.
true
If you meant to say "water", the answer is no.
A sand tornado is not a true tornado but a phenomenon called a dust devil. A dust devil takes for form of a whirling cloud of dust as dust is sucked up by the vortex. It may appear tubelike and gradually fades into nothing farther up.
True. Mobile homes are usually weakly constructed and can be destroyed or overturned even by relatively weak tornadoes, whereas it would take a fairly strong tornado to destroy a well built house.
Original wind estimates for an F5 tornado are 261-318 mph. They were adjusted to 201+ for an EF5 tornado on the Enhanced Fujita Scale However, these winds are not to be taken literally, they are merely estimates. The true means of determining intensity is damage. In F5 damage well-built frame houses are completely swept away, their foundations left bare.
No, rivers do not affect tornadoes.
True
No. A tornado warning means that a tornado is likely to form or has already been spotted.
A "tornado" of fire is called a firewhirl, but these are not true tornadoes.
true
True.
true
yes it is true
false
No, low pressure in a tornado does not cause buildings to explode. That is a common myth.
A "fire tornado" is not a true tornado but a whirlwind spawned by an intense fire. If such a fire is approaching the area where you live you should evacuate immediately.
It is a weather feature in some parts of the world.