The actual force exerted by one of these great cyclones in its work of devastation, which uproots trees, demolishes buildings and strews the coast with wrecks, has been calculated as equalling one thousand million horse-power.
In the foregoing chapter we have seen that the great cyclones that occasionally visit us originate in the neighborhood of the Antilles.
Now, these lesser whirlwinds are produced in exactly the same way as the great cyclones of many miles in diameter, which we have already seen do not originate on land often, because of the irregularities of surface that hinder.
In the Pacific the portion of the calm belt of the Tropic of Cancer causes the ravages of cyclones or hurricanes originating there to be felt chiefly in Japan and China.
Still others have advocated the idea that atmospheric whirlwinds and cyclones produce earthquakes.
An examination of the areas of calms, which are the hot-beds of cyclones and hurricanes, shows that the region which produces the great cyclones of the United States lies in the Antilles and Caribbean Sea.
For instance, why do cyclones always originate near the tropics and move away from the equator?
As these regions are much warmer, and consequently the atmosphere may hold a much greater quantity of vapor, it follows that cyclones in that quarter much exceed in violence those of our own land.
We were approaching waterways where storms are commonplace, the very homeland of tornadoes and cyclones specifically engendered by the Gulf Stream's current.
All by itself it creates these fearsomecyclones through the difference in temperature between its currents and the superimposed layers of air.
The cyclones which sweep over the North Atlantic are generated, as has been remarked, to the eastward of the West India Islands--somewhere between them and the coast of Brazil.
The cyclones never bend in that direction, and even the ordinary gales are unknown.
This normal condition was sometimes interfered with by the passage of cyclones of smaller diameter--a circle within a circle; both circles, however, obeying the same laws.
We were approaching the hurricane season, and there was no telling at what moment, one of those terrible cyclones of the Caribbean Sea might sweep over us.
We took one of these cyclones on the 5th of October.
When we consider all the uncertainties of life, and the danger from hydrophobia, cyclones and breach of premise, it seems sometimes as though the penitentiary was the only place where a man could be absolutely free from anxiety.
Last September I was caught in one of the most destructive cyclones that ever visited a republican form of government.
In the case of the British Isles cyclones are most frequent and best marked in winter, and they are of great importance in producing our mild and windy winters.
One other reason for the eastward motion of the cyclones with us is that they seem to prefer damp air, and so tend to follow the North Sea and pass towards the Baltic, where they often die away.
All our cyclones originate in the far Southwest and travel northeast.
This is the point of zero, and cyclones are never formed nearer than the third parallel of latitude.
Again a decrease in the number and intensity of tropical cyclonespresumably lessened the amount of moisture carried into mid-latitudes, and thus diminished the precipitation.
The marked increase in the number of tropical cyclones which accompanies increased solar activity was probably important in this respect.
Numerous and intense tropical cyclones would carry a vast amount of moisture out of the tropics, just as now happens when the sun is active, but on a far larger scale.
Such cyclones carry vast quantities of heat and moisture out of the tropics.
The numerous tropical cyclones of Australia, for example, are the chief source of precipitation for that continent.
Again, in spite of the general dryness of the air over a snowfield, the lower air contains some moisture due to evaporation from the snow by day during the clear sunny weather of anti-cyclones or highs.
Some of the stronger cyclones locally yield more rain in a day or two than other sources yield in a year.
But they tell how we git all the cyclones and rattlesnakes.
The suffering caused by this most terrible of cyclones evoked the liveliest sympathy, and large contributions of money, food and clothing were forwarded by the citizens of St. Paul, Minneapolis and other cities throughout the State.
We append a few sketches of cyclones that have occurred in comparatively recent times.
The residents are quite sensitive on the subject, and insist that more lives are lost in the United States by fires and cyclones and railroad accidents than in Venezuela by earthquakes.
This style of architecture will answer in a country where it never rains, and where cyclones never come, but if a good pour should fall in Lima, much of the town would be washed into the river Rimac and carried out to sea.
Cyclones are of two kinds, viz: the dark maroon cyclone; and the iron gray cyclone with pale green mane and tail.
When we consider all the uncertainties of life, and the danger from hydrophobia, cyclones and breach of promise, it seems sometimes as though the penitentiary was the only place where a man could be absolutely free from anxiety.
Small natural cyclones are often seen on dusty roads, the whirling column having a core of dusty air, and the centre of the vortex travelling along the road, tossing up the dust in a very disagreeable way to pedestrians.
They initiate and keep up their own circulation, and collect the materials with which the cyclones produce their effect.
There are about eleven classes of cyclones that appear in the United States, each class having its own path of movement and origin.
It has been stated in former chapters that the changes of weather accompany the movements of what are called cyclones and anti-cyclones, the cyclone being accompanied by low barometric pressure and the anti-cyclone by a higher one.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "cyclones" in a variety of sentences. We hope that you will now be able to make sentences using this word.
