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Meteorology
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Tropical cyclones - the genesis and structure |
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Written by Administrator
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Monday, 05 October 2009 |
 Cyclones have a complex nature, as evidenced by the fact that only one in ten chance circumstances conducive to hurricane formation leads to its creation. Feedback about their origins are not fully compatible. Scholars emphasize the importance of the three processes involved in creating the structure of typhoon. They are: convective processes, abrasion of different air masses, and the impact of the higher layers of the troposphere. Bottom to the center of coming moist air, which rises and then is discharged up to the outside. In the initial phase, this movement swings the Coriolis force, initiating vortex disruption.
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Last Updated ( Tuesday, 27 October 2009 )
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Written by Administrator
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Monday, 05 October 2009 |
 These are deep arising widths. Distinguished by high values of pressure gradients and therefore brings a unique strength of the winds and torrential rains. If the wind speed reaches 120 km / h, are called hurricanes. Hurricane names are used in the area of the West Indies and Central America and Northern Europe. In India, cyclones are called, while on the coasts of eastern and south-east Asia are referred to as typhoons. Although there are all too often (on average 40-50 times a year), any appearance of the cyclone is widely reported in the media as a specific phenomenon, with predictable consequences is difficult (if given the speed and the wind accompanying the probable route of movement).
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Last Updated ( Tuesday, 27 October 2009 )
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Written by Administrator
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Monday, 05 October 2009 |
 Cyclone is an atmospheric whirlpool of small diameter, but exceptionally high strength. The vortex with a vertical axis placed at the base of the storm clouds Cb. Is usually the shape of a funnel united with the wider end of the cloud. The lower part as a trumpet can reach the ground. If it comes to the surface of the water, the water is called the trumpet.
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Last Updated ( Tuesday, 27 October 2009 )
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Written by Administrator
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Monday, 05 October 2009 |
 Lightning can take many forms. Because of the shape is distinguished by lightning: flat, linear, ribbon and ball.
Lightning flat. Its flash that makes the entire surface burning clouds. Discharge occurs in a very fast after the ignition. Formed when the cloud has reached the potential to discharge, and new electrical loads very slowly. Supply of electricity, enough to land, although it is smaller than the linear lightning. Thunderstorms flat do not belong to strong, and in mid-latitudes be recorded in early spring and late autumn.
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Last Updated ( Tuesday, 27 October 2009 )
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Types of storms and Electrical structure of the storm-cloud |
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Written by Administrator
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Monday, 05 October 2009 |
 Due to the genesis of storms can be divided usually arising from the strongly heated land during the summer, and the front is often accompany cold fronts and sometimes the summer is also the warm fronts. Precondition for their development is a state of great instability, the air masses. Storms associated with the cool fronts develop when the incoming cooler air displaces the bottom up warm and humid air of a precarious balance.
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Last Updated ( Tuesday, 27 October 2009 )
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Sea whirlwind
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