New developments if any: UPSC has the habit of asking questions regarding latest developments in the field. Climatology UPSC: Comprehensive Guide for UPSC Aspirants By Lotus Arise / October 1, 2019 September 30, 2020 Hey Dosto, In this blog post we will discuss How to approach Climatology UPSC for Geography Optional . The effect of the earth’s rotation (Coriolis Force) tends to deflect the direction of these winds. ; Jet Streams develop where air masses of differing temperatures meet. Planetary winds blow in the same direction throughout the year, while the other types of winds get modified due to certain reasons. The Planetary winds. This is very important from UPSC point of view. Radhamohan Jena. 7 thoughts on “The MCQ Factory : Topicwise MCQs for UPSC” Emerson says: November 1, 2018 at 5:31 pm . This stage is officially known as the Civil Services (Preliminary) exam but in common parlance, aspirants refer to it as UPSC Prelims or IAS Prelims. Daily Quiz: UPSC Prelims Marathon (Map Based Questions) – September 6, 2020. Geomorphology for General Studies UPSC Civil Services 1. During winter due to southward shifting of pressure and wind belt the planetary system of northeast trade winds is established over the region. Planetary Winds: A major role in ocean currents is played by frictional drag of surface water by planetary winds. Good examples of local winds are sea breezes and land breezes, and mountain and valley breezes. Winds blowing over a warm current become warm and at the same time, pick up moisture. Prelim special: Pressure belts and global planetary winds. For the UPSC … C) Monsoon winds … Written by: ForumIAS Posted on September 6th, 2020 Last modified on September 6th, 2020 Comments. For example, within the tropics, the trade winds blow from the east and hence, north equatorial and south equatorial currents flow east to west. ... Planetary Winds… Answer: Western Disturbances are low-pressure systems (temperate cyclones) embedded in the Westerlies, the planetary winds that flow from west to east between 30 o - 60 o latitude. What is a Jet Stream? Trade Winds:- Trade winds are most regular of all the planetary winds and in general they blow with great force and in constant direction. Primary Winds or Prevailing Winds or Permanent Winds These are the planetary winds which blow extensively over continents and oceans. Planets A celestial body moving in an elliptical orbit around a star is known as a planet. In the northern hemisphere, they blow towards the equatorial low and called North East Trade Winds. It is really important for the student to undestand the basic concept of this topic as both prelims and mains give equl importance to this topic. The winds in the upper atmosphere, 2 - 3 km above the surface, are free from frictional effect of the surface and are controlled by the pressure gradient and the Coriolis force. This is known as the Ferrell’s law. Hence this theory explains the existence of monsoon not by the temperature, contrasts between land and sea, but by the annual migration of thermally produced planetary winds and pressure belts. Find out the correct sequence of planetary winds found from the equator to pole. Which of the following conditions … Thus, a south wind is deflected as a south-west wind in the northern hemisphere and as a south-east wind in the southern hemisphere. In the Southern hemisphere they blow towards the equatorial low and become the South East Trade winds. UPSC CSE - GS. When isobars are straight and when there is no friction, the pressure gradient force is balanced by the Coriolis force and the resultant wind blows parallel to the isobar. Wind System:-Download PDF Here. Answerkeys pending. Types Of Winds. (A) Westerlies, Trade, Polar wind (B) Trade, Westerlies, Polar wind (C) Trade, Polar wind, Westerlies (D) Polar wind, Westerlies, Trade Ans: B 8. Trades wind blow out from the Subtropical High Pressure belts. Body – Explain the impact that the shift in pressure belts has on Mediterranean type of climate, regions lying between 60°-70° latitudes are characterized by two types of winds in a year because of shifting of pressure and wind belts, Monsoon climate is the result of the shifting of pressure and wind belts. Types of winds is one one the most important topics in geography. The two most well- understood and significant winds for climate and … The western coast of Europe is an example of such a region. Free classes & tests. These generally originate in the Mediterranean region and travel over Iran, Iraq, Afghanistan and Pakistan to enter India loaded with moisture. Monsoon is seasonal winds while local winds below generally on diurnal basis. Climatology portion of geography includes topics like weather, climate, temperature, humidity, pressure belts, atmospheric circulation including winds, cyclones and monsoons etc. Planetary winds: These winds blow in the same direction throughout the year. On the other hand, winds with seasonal changes in their directions are called seasonal winds (e.g., monsoon winds). The optional papers are divided into two papers - Papers I & II carrying 250 marks each. Hindi Geography. UPSC CAPF Syllabus 2020: Get here latest Exam Pattern and detailed syllabus for UPSC CAPF Assistant Commandant (AC) Written Exam and Interview. 7. A) Trade winds done clear. Trade Winds:- Trade winds are most regular of all the planetary winds and in general they blow with great force and in constant direction. For example, last year UPSC asked a question on Monsoon prediction techniques. Winds tend to blow from high pressure belts to low pressure but due to Earth’s rotation are deflected to right in north hemisphere and left in south hemisphere - “Ferrel’s law”. Local winds are those that are created as a result of scenery such as mountains, vegetation, water bodies and so on. This results in variations in the atmospheric pressure. Goldy on [Download] UPSC Prelims 2020 General Studies Paper1: Sorted Topicwise /Subjectwise. The general distribution of winds in the lower atmosphere is called as Planetary winds. There are three main planetary winds that constantly blow in the same direction all around the world, the Trade Winds or the Tropical Easterlies, the Westerlies and the Polar Winds or the Polar Easterlies. Thus, they are more localised in their extent and cover limited horizontal and vertical dimensions and confined to the lower levels of the troposphere. Air expands when heated and gets compressed when cooled. In their passage across oceans, they gather more moisture and bring… This implies that Trade winds blow from North east towards equator in Northern hemisphere and South East Towards equator in southern hemisphere.It has been shown in the following graphics. These winds are in the form of large air masses which are being formed due to the earth’s rotation along with the shape of the earth and the sun’s heating power. Thus, the wind that reaches the land brings down the temperature and causes heavy rainfall. Most of the currents of the world tends to follow the direction of planetary winds. I pinged you on the Whatsapp number some 30Hrs back.. Interior of The Earth ... • Primary winds or Prevailing Winds or Planetary Winds • Secondary or Periodic Winds • Land Breeze and Sea Breeze • Valley Breeze and Mountain Breeze • Tertiary or Local Winds Topicwise MCQs for Economy for UPSC. So, usually surface temperatures determine where the Jet Stream will form. We know that winds tend to blow from the high-pressure centres to the low-pressure centres. B) Western winds done clear. 19k watch mins. The Planetary wind system of the world accompanies the presence of the High and Low-Pressure Belts.

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