Prevailing winds are the "default" setting for the atmosphere. While local weather can cause the wind to blow from any direction on a given day, the prevailing wind is the direction recorded most frequently over a long period. These winds are crucial for determining a region's climate; for example,Read more
Prevailing winds are the “default” setting for the atmosphere. While local weather can cause the wind to blow from any direction on a given day, the prevailing wind is the direction recorded most frequently over a long period. These winds are crucial for determining a region’s climate; for example, if the prevailing winds blow from the ocean, the climate will be moist, but if they blow from a continental interior, the climate will be dry. They are the result of the Earth’s three-cell circulation model (Hadley, Ferrel and Polar cells).
Master SSC MTS and GD Constable exams with Competitive Exam Preparation (TA Exam). Review your errors and improve speed with timed mock tests.
The journey of the trade winds begins where air descends and piles up at 30° North and South. This creates a "surplus" of air that must flow toward the "deficit" at the equator, where air is constantly rising due to heat. As this air moves, the Coriolis force deflects it westward. This creates a masRead more
The journey of the trade winds begins where air descends and piles up at 30° North and South. This creates a “surplus” of air that must flow toward the “deficit” at the equator, where air is constantly rising due to heat. As this air moves, the Coriolis force deflects it westward. This creates a massive, consistent flow of air toward the Intertropical Convergence Zone (ITCZ). These winds are not just important for sailing; they also push warm surface water across the oceans, playing a vital role in phenomena like El Niño and the distribution of global sea temperatures.
Master SSC MTS and GD Constable exams with Competitive Exam Preparation (TA Exam). Review your errors and improve speed with timed mock tests.
The origin of trade winds is tied to the Hadley Cell circulation. Near 30° North and South latitudes, air that rose at the equator has cooled and moved poleward; it then descends toward the Earth's surface. This descending air creates a "piling up" effect, resulting in high-pressure zones. Since airRead more
The origin of trade winds is tied to the Hadley Cell circulation. Near 30° North and South latitudes, air that rose at the equator has cooled and moved poleward; it then descends toward the Earth’s surface. This descending air creates a “piling up” effect, resulting in high-pressure zones. Since air always moves from high to low pressure, it rushes back toward the heat-induced low at the equator. This constant supply of sinking air at the subtropics ensures that the trade winds remain the most consistent and permanent wind system on the planet.
Master SSC MTS and GD Constable exams with Competitive Exam Preparation (TA Exam). Review your errors and improve speed with timed mock tests.
The Westerlies blow from the subtropical highs toward the subpolar lows. In the Southern Hemisphere, they are particularly fierce because there is very little land to act as a "windbreak." As a result, these winds grow progressively stronger as you move further south. Sailors historically used theseRead more
The Westerlies blow from the subtropical highs toward the subpolar lows. In the Southern Hemisphere, they are particularly fierce because there is very little land to act as a “windbreak.” As a result, these winds grow progressively stronger as you move further south. Sailors historically used these winds to race across the globe, naming the latitudes based on the sound and intensity of the wind: the “Roaring” 40s, the “Furious” 50s and the “Shrieking” or “Screaming” 60s. They remain some of the most consistent and powerful wind belts on Earth.
Master SSC MTS and GD Constable exams with Competitive Exam Preparation (TA Exam). Review your errors and improve speed with timed mock tests.
This term describes the persistent westerly winds that dominate the Southern Ocean. Unlike the Northern Hemisphere, where continents like Eurasia and North America create friction that breaks up wind patterns, the Southern Hemisphere is mostly water. This lack of physical obstacles allows the windsRead more
This term describes the persistent westerly winds that dominate the Southern Ocean. Unlike the Northern Hemisphere, where continents like Eurasia and North America create friction that breaks up wind patterns, the Southern Hemisphere is mostly water. This lack of physical obstacles allows the winds to build up incredible momentum. The Roaring Forties are essential for the global climate as they help drive major ocean currents and distribute heat around the planet. Historically, they were a double-edged sword for sailors: they allowed ships to travel very fast across the ocean, but the violent waves and stormy weather made navigation extremely dangerous.
Master SSC MTS and GD Constable exams with Competitive Exam Preparation (TA Exam). Review your errors and improve speed with timed mock tests.
What is the name given to winds that blow in the same direction throughout the year? (A) Social winds (B) Polar winds (C) Local winds (D) Prevailing winds
Prevailing winds are the "default" setting for the atmosphere. While local weather can cause the wind to blow from any direction on a given day, the prevailing wind is the direction recorded most frequently over a long period. These winds are crucial for determining a region's climate; for example,Read more
Prevailing winds are the “default” setting for the atmosphere. While local weather can cause the wind to blow from any direction on a given day, the prevailing wind is the direction recorded most frequently over a long period. These winds are crucial for determining a region’s climate; for example, if the prevailing winds blow from the ocean, the climate will be moist, but if they blow from a continental interior, the climate will be dry. They are the result of the Earth’s three-cell circulation model (Hadley, Ferrel and Polar cells).
Master SSC MTS and GD Constable exams with Competitive Exam Preparation (TA Exam). Review your errors and improve speed with timed mock tests.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See lessWhat are the winds called that blow from the subtropical high-pressure zone towards the equatorial low-pressure zone?
The journey of the trade winds begins where air descends and piles up at 30° North and South. This creates a "surplus" of air that must flow toward the "deficit" at the equator, where air is constantly rising due to heat. As this air moves, the Coriolis force deflects it westward. This creates a masRead more
The journey of the trade winds begins where air descends and piles up at 30° North and South. This creates a “surplus” of air that must flow toward the “deficit” at the equator, where air is constantly rising due to heat. As this air moves, the Coriolis force deflects it westward. This creates a massive, consistent flow of air toward the Intertropical Convergence Zone (ITCZ). These winds are not just important for sailing; they also push warm surface water across the oceans, playing a vital role in phenomena like El Niño and the distribution of global sea temperatures.
Master SSC MTS and GD Constable exams with Competitive Exam Preparation (TA Exam). Review your errors and improve speed with timed mock tests.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See lessFrom where do the trade winds originate? (A) From the subtropical high-pressure zone (B) From the subpolar low-pressure zone (C) From the equatorial low-pressure zone (D) From the polar high-pressure zone
The origin of trade winds is tied to the Hadley Cell circulation. Near 30° North and South latitudes, air that rose at the equator has cooled and moved poleward; it then descends toward the Earth's surface. This descending air creates a "piling up" effect, resulting in high-pressure zones. Since airRead more
The origin of trade winds is tied to the Hadley Cell circulation. Near 30° North and South latitudes, air that rose at the equator has cooled and moved poleward; it then descends toward the Earth’s surface. This descending air creates a “piling up” effect, resulting in high-pressure zones. Since air always moves from high to low pressure, it rushes back toward the heat-induced low at the equator. This constant supply of sinking air at the subtropics ensures that the trade winds remain the most consistent and permanent wind system on the planet.
Master SSC MTS and GD Constable exams with Competitive Exam Preparation (TA Exam). Review your errors and improve speed with timed mock tests.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See lessThe regular winds that are known by the nicknames ‘Roaring Forties’, ‘Furious Fifties’ and ‘Screaming Sixties’ belong to which of the following types of winds?
The Westerlies blow from the subtropical highs toward the subpolar lows. In the Southern Hemisphere, they are particularly fierce because there is very little land to act as a "windbreak." As a result, these winds grow progressively stronger as you move further south. Sailors historically used theseRead more
The Westerlies blow from the subtropical highs toward the subpolar lows. In the Southern Hemisphere, they are particularly fierce because there is very little land to act as a “windbreak.” As a result, these winds grow progressively stronger as you move further south. Sailors historically used these winds to race across the globe, naming the latitudes based on the sound and intensity of the wind: the “Roaring” 40s, the “Furious” 50s and the “Shrieking” or “Screaming” 60s. They remain some of the most consistent and powerful wind belts on Earth.
Master SSC MTS and GD Constable exams with Competitive Exam Preparation (TA Exam). Review your errors and improve speed with timed mock tests.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See lessWhat is the Roaring Forties? (A) Strong winds blowing near 40° latitude in the Southern Hemisphere (B) Ocean current at 40° South latitude (C) Ocean current at 40° North latitude (D) None of these
This term describes the persistent westerly winds that dominate the Southern Ocean. Unlike the Northern Hemisphere, where continents like Eurasia and North America create friction that breaks up wind patterns, the Southern Hemisphere is mostly water. This lack of physical obstacles allows the windsRead more
This term describes the persistent westerly winds that dominate the Southern Ocean. Unlike the Northern Hemisphere, where continents like Eurasia and North America create friction that breaks up wind patterns, the Southern Hemisphere is mostly water. This lack of physical obstacles allows the winds to build up incredible momentum. The Roaring Forties are essential for the global climate as they help drive major ocean currents and distribute heat around the planet. Historically, they were a double-edged sword for sailors: they allowed ships to travel very fast across the ocean, but the violent waves and stormy weather made navigation extremely dangerous.
Master SSC MTS and GD Constable exams with Competitive Exam Preparation (TA Exam). Review your errors and improve speed with timed mock tests.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See less