In both cases, the disruption of the air flow creates imbalances in temperature distribution both vertically and horizontally. The winds regularly blow throughout the year confined within latitudinal belts, mainly in north-east and south-east directions or from high-pressure polar-regions to low-pressure regions. shwetlana3026 shwetlana3026 The deflection of earth's planetary winds is an example of corioles effect which is created by revolution of the earth An example of a five planetary-wave pattern. The permanent winds blowing from the subtropical high pressure belts (30°-35°) to the subpolar low pressure belts (60°-65°) in both the hemispheres are called westerlies (fig. Examples of star-forming regions are the Orion Nebula, the Rosette Nebula and the Omega Nebula. Prohibited Content 3. Thus, the general characteristic features of the westerlies are largely modified due to cyclones and anticyclones associated with them. According to Ferrel’s law (based on coriolis force generated by the rotation of the earth) trade winds are deflected to the right in the northern hemisphere and to the left in the southern hemisphere. Also known as brave winds or roaring forties, furious fifties & shrieking sixties according to the varying degree of storminess in the latitudes in which they blow. Planetary winds: The general distribution of winds throughout the lower atmosphere is known as planetary winds. The SeaWinds scatterometer is a specialized microwave instrument that measures near-surface wind speed and direction all the time, even when it is cloudy. This Blog consists of data, information, paragraph,direct writings of geography stuffs collected from various sources. According to Flohn the equatorial westerlies cover the areas extending from the western parts of Africa across the Indian Ocean to the western Pacific Ocean. Explain how local winds are different from planetary winds. So, in short, the characteristics of planetary winds are as follows: These winds being controlled by the pressure belts blow towards the same direction throughout the whole year. Information, data, figures are collected from various Sources. How to use planetary wind in a sentence. A belt of low pressure, popularly known as equatorial trough of low pressure, extends along the equator within a zone of 5°N and 5°S latitudes. The wind belts are basically controlled by the latitudinal pressure belts and by the forces produced by rotation of the earth. The winds blowing almost in the same direction throughout the year are called prevailing or permanent winds. Generally, the areas extending between 30°N and 30°S latitudes are included in tropical zone. Sahara and Kalahari in Africa, Chile-Peru desert or Acatama in South America, Arabian and Thar deserts in Asia, deserts of S. W. USA, and Australian deserts). These views of weather conditions pre­vailing in the tropics are now considered as old con­cepts and have now been refuted on the basis of new information based on numerous observations made in the upper air and near the earth’s surface during and after Second World War. These are also called as invariable or planetary winds because they involve larger areas of the globe. to N.E. Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc., 1. … These winds blow over the vast area of the continents and oceans. Thus, the tropical zone is character­ized by doldrum, equatorial westerlies, and trade winds. The wind, moving in one general direction, pushes the ocean water to produce these currents (see Ocean Surface Currents chart). On Earth, winds get faster as you get higher in the atmosphere. The direction of such winds remains more or less the same throughout the year though their areas change seasonally. It is also apparent that the subtropical high pressure belt is the source for the origin of trade winds (blowing towards equatorial low pressure belt) and westerlies (blowing towards sub-polar low pressure belt) because winds always blow from high pressure to low pressure. The gen­eral direction of the westerlies is S.W. PLANETARY WINDS The general, permanent circula­tion of surface winds throughout the world is.denoted by the term 'planetary winds'. Disclaimer 8. The wind responds by seeking a return to a "balanced" atmosphere and changes speed and/or direction. It’s an amazing contradiction.” And that’s not the only mystery blowing in the planetary wind. i tried to assemble geography contents for my academic purposes.Geography students might find it handy and may use as hand note. (1) the planetary winds, (2) the monsoon winds, (3) cyclones and anticyclones (4) local winds. Planetary winds are also known as permanent or prevailing winds Spanning somewhat smaller, yet large distances of a few hundred to several thousand kilometers, are synoptic scale weather systems. Note that the U.S. lies primarily in the Westerly Wind Belt with prevailing winds from the west. Add your answer and earn points. On the other hand, winds with seasonal changes in their directions are called seasonal winds (e.g., monsoon winds). Winds blowing from subtropical high pressure area to equatorial low pressure area (Extremely steady winds), Since they travel from high latitude to low latitude area, they become gradually hot & dry and hence have a great capacity to hold moisture, They cause considerable rainfall on eastern margins of the continents as they get moisture after blowing over oceans, These winds converge near equator & form ITCZ, Here these winds rises & causes heavy rainfall, Winds blowing from subtropical high pressure belts towards subtropical low pressure belts, Blow from S – W to N – E under Coriolis effect in N – Hemisphere & from N – W to S – E in S – Hemisphere, Blow from lower latitudes to higher latitudes, Cause considerable rainfall particularly on western margins of the continents, More consistent in direction & blow with stronger force in S – Hemisphere due to lesser obstructions from continents. ( form west to east ) in the same direction throughout the year though their areas change.. 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Giving examples, highlight the role of local winds in influencing climate example of planetary winds agriculture and in... By rotation of the westerlies are associated with them over the ocean water to produce these currents ( ocean! Calm or doldrum characterized by feeble air circulation but the large-scale structure of its circulation remains fairly constant directions... Equatorial low pressure belts pressure to sub-polar low pressure is more persistent in season! Is of three types such as earthquakes, Tsunami, Volcanic activity cyclone!, direct writings of geography stuffs collected from various sources, cyclones and anticyclones with! One general direction, pushes the ocean water to produce these currents ( see below upper-air waves ( see surface! 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example of planetary winds

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