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Introduction
STATEMENT OF PROBLEM The mass media regularly inform the reads about the hurricanes,
whirlwinds,tornadoes which take place in various parts of
the world. Such information is always accompanied with the
description of the dramatic consequences of the element impact
on the man and its habitat. Let us stress the following aspects of the problem:
The first four aspects will be simulated, observed and analysed in the laboratory with the use of an experimental model. The fifth aspect makes ground for our proposals on its exclusion or lowering of the losses caused by the tornado. Let us suppose that the liquid medium will simulate the atmospheric vortex phenomenon with the accuracy for our research. We understand that the formation, movement and existence of the tornado are supported by the atmospheric phenomena associated with the evaporation of the liquid from seas, rivers and oceans, convection of the warm and cold air masses, condensation of the vapour and precipitation of the condensate in the form of the rain or hail, and other processes and phenomena. We make use of an external device which creates and maintains the rotary motion of the liquid, thereby simulating all factors supporting the tornado. We suppose that this approximation is admissible for our experimental model. Our observation results
Fig. 2
Fig. 3. Fig.3 Successive moments of location of bodies submerged in water. Water is subjected to force clockwise rotation by activator (top view) In response to the rotary water current, the bodies submerged into the jar with water are not only revolved together with water but are also separated from the bottom and raised by the water currents to the level of activator. After the bodies reach the upper layer of water, they are thrown together with the liquid to the wall of the glass jar, then go down to the bottom along the external spiral, and again move upward towards the activator along the internal spiral of a less curvature. Fig. 4.
4a
Fig.4. Tea-leaf (a) and millet (b) motion in glass jars with rotary liquid The steady-state motion of the-leaves in Fig. 4 (a) demonstrates the spiral ascending motion of the liquid in the central part of the vessel and spiral of the liquid on the periphery, near the walls of the vessel. It is important to stress the central column is not vertical. It looks like a spring which experiences additional oscillations and rotation near the axis of rotation of the activator. The millet in Fig. 4 (b) demonstrates the motion of the liquid under the effect of the cone shaped activator at the initial stage when the liquid ascending currents have been only formed. Fig.5.
Fig.5. Motion of hollow aluminium cup loaded with mincing machine cutter under effect of liquid rotary currents It is shown in Fig. 5 that in the process of accumulation of the energy of rotation of the liquid and energy of the ascending and descending currents, a rather massive steel body resting on the aluminium support separates from the bottom of the vessel and starts to execute circular motion. The edge of the system of two bodies located close to the centre is raised towards the ascending currents, while the edge close to the wall of the vessel is held down. Apart from being one more confirmation of existence of central ascending current and peripheral descending current, the figure the effect of the build-up (accumulation) of the energy of the source of rotation in the energy of liquid rotation. Watching a usual picture of existence of the central ascending spiral current of the liquid, we should bear in mind that the cone-shaped concentration of the grains in the centre of the vessel is also indicative of the peculiarities involved in liquid motion in the central near-bottom part of the vessel. This effect explained by Einstein is well known as behaviour of the tea is no more stirred up by the tea-leaves which are gathered in the centre of the glass after the tea is no more stirred up the-spoon. Such behaviour is explained just by the existence of the central ascending spiral current and peripheral descending spiral current just in the whirling liquid. Besides, one more phenomenon has been noticed in the part in the result of careful examination of the liquid motion. A tread-like "trunk" which is formed by a system of the bubbles and cavities interconnected into a common thread extends from the activator to the centre of the vessel. As it is illustrated in Fig. 6 (a, b, c) , this thread looks like a twisted spiral which constantly experiences of the "trunk" formation and existence has proved that the "trunk" is produced by the activator. After removal of the activator, the "trunk" is preserved until the near-surface funnel remains deep. In the course of disappearance of the funnel, the "trunk" separates from the central near-bottom part of the vessel, rises, and rather quickly disappears.
Fig.7. "Trunk" in dynamics of termination of liquid rotary motion A" clear" view of the "trunk" is illustrated in Fig.7. At first ,when the activator operates, the air cavity under the activator surface has a thread-like "trunk" extending to the bottom of the vessel. By selection of the proper lighting, the "trunk" is visually distinguished from the liquid transparent medium. Removal of the activator (Fig.7,b) results in the reduction of the funnel depth and in separation of the "trunk" from the bottom of the vessel. Further existence of the "trunk" rapidly terminates in the course of the decrease of the rotary energy of the liquid. The existence of the ''trunk'' together with spiral central ascending and spiral peripheral descending currents of the rotary liquid gives an idea that this ''trunk'' is analogous to the ''trunk'' of the tornado which brings many troubles. If this is true, let us true to solve the problem of tornado control. Check of hypothesis
It is shown in Fig.8 that a body with the periodically located holes is placed at the bottom of the vessel. It is assumed that active interaction of the rotary energy of these layers. The photo in Fig. 8 (a) taken by a conventional method shows that there is no ''trunk'' and no bubble under the activator. To make sure of this fact, the photo has been taken with the use of special lighting (Fig.8b). It is seen that liquid currents move upwards from the body in a chaotic manner. This is evidenced by the traces of the micro bubbles recorded by the camera. The enlarged view of this picture illustrated in Fig. 8 (c) once more proves the destruction of the conditions of formation of the tornado ''trunk''.
Fig.8. State of rotary liquid in presence of volumetric shaped body at vessel bottom CONCLUSION
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One
of the modern problems of mankind consists in existence of
numerous tornadoes and hurricanes which bring tremendous material
losses. They systematically take away a large number of number
of human lives. It is known that tornadoes and hurricanes
occur at regular intervals and bring destruction. But we do
not know the date and the route of the next tornado or hurricane.
In connection with the world-wide warm-up of the climate,
the scientists expect that the number and the force of these
natural phenomena will sharply grow up. Therefore, the solution
of the problem associated with the forecast of hurricanes
and tornadoes, if not with their control, will be exceptional
for the whole mankind
Even
the appearance of the approaching tornado horrifies man. And
exposure to its impact is equivalent to the greatest and frequently
irretrievable calamity. However, the human thought and the
experience are not at a standstill. The thought is being developed
and the experience is being gained which brings some results
already now. This research is an attempt to suggest our tornado
control version based on experimental data. 
The
access to the information contained in the Internet has made
it possible to establish that the data on the atmospheric
vortex phenomena are borrowed not only for evidences if the
eyewitnesses but also from the study of atmospheric vortexes
which reveals their new details. There is a lot of scientific
publications. There are many theories devoted to vortex atmospheric
processes, including space processes. All modern mathematical
methods making use of computer simulation of the processes
are attracted. The study of the history of this problem shows
that the mankind has been endeavouring to understand the nature
of these phenomena for hundreds of years. Even Albert Einstein
was not indifferent to this problem. We know his interpretation
of the behaviour of the tea-leaves which are gathered in the
centre of the glass with the tea. After the tea is no more
stirred up with a tea-spoon in the glass, the rotary motion
of the liquid is slowed down and the tea-leaves are gathered
in the centre of the glass by the currents which are ascending
in the centre and descending on the periphery. The analysis
of the tiny but very representative information available
on the whirlwinds, hurricanes and tornadoes prompts the following
approach to this problem. First, it is necessary to make attempts
at simulation of the vortex origination conditions in the
laboratory. The laboratory model will help to make the initial
evident observations. Then, the explanation of the processes
which take place should be suggested. And finally, if possible,
it is necessary to suggest the ways for solution of the problem
of existence of the hurricanes, whirlwinds and tornadoes.
For
observation of the vortex, common drinking water used as the
medium where in the vortex is formed. A glass jar was filled
with water to ¾ its capacity ( Fig.1, c).
The activator (Fig.1, b) was screwed into
the device (Fig.1, a) which imparted the
rotation at a speed of 980 r/m with the power of 1.5W 
Various
bodies were placed into the jar with water (Fig.2).
The motion of these bodies in water facilitated the observation
of the water currents. 
Fig.3a 
Fig.3b
Fig.3c
Fig.
Fig.4b
Fig.5a 
Fig.5b 
Fig.5c
Fig 7a 
Fig 7b
It
follows from obtained experimental materials that the source
of the energy of rotation, irrespective of its nature, transmits
its energy to the rotary motion of the liquid. All energy
accumulated in the descending current of the rotary motion
of the liquid. All energy accumulated in
the descending current of the rotary liquid is concentrated
in the central ascending current of the same liquid. It is
worth while mentioning that the energy of the source of the
rotary motion of the liquid is accumulated in this liquid.
As a result , all energy accumulated by the liquid is transported
upwards by the central ''trunk'', which derives the energy
from the lower layers of the liquid. Then, it is reasonable
to interrupt this energy flow from the lower layers by any
means.