Which causes winter rainfall in India?

Western disturbances, specifically the ones in winter, bring moderate to heavy rain in low-lying areas and heavy snow to mountainous areas of the Indian Subcontinent. They are the cause of most winter and post-monsoon season rainfall across northwest India.

What causes winter rains?

EXPLANATION: Other reasons for winter rain include retreating monsoon, trade winds and also south-westerly monsoon. Winter rain is beneficial for rabi crops as it provides the much needed water to these crops. However, excessive winter rain can also cause crop damage, floods, landslides and avalanches.

What is winter rainfall in India?

Complete answer: Mahawat is the local name of winter monsoon in India and this happens because of the western disturbances and also south west monsoon winds. The western disturbance is the reason why the north western part of India gets winter rainfall.

What causes rainfall in India?

The monsoon, which is essentially the seasonal reversal in wind direction, causes most of the rainfall received in India and some other parts of the world. … The northeast and southeast trade winds converge in this low pressure zone, which is also known as the Intertropical Convergence Zone or ITCZ.

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What causes winter?

Earth’s tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun’s most direct rays. So, when the North Pole tilts toward the Sun, it’s summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it’s winter in the Northern Hemisphere.

Where is winter rainfall in India?

According to IMD, the regions like Gangetic West Bengal, Uttarakhand, Delhi, Punjab, Telangana, Rayalaseema, and South Karnataka received roughly double the amount of normal rainfall for the season. Himachal Pradesh and Bihar also received significantly high amount of rainfall during the first two months of 2019.

What causes winter rainfall in Tamil Nadu?

Option A – North-east trade winds is the main reason behind winter rainfall in Tamil Nadu. As the state is situated in the eastern coast of India, the southern portion of India receives rainfall from the Southwest monsoons which are obstructed by the Western Ghats.

What is winter rainfall known as?

Winter rainfall is locally known as Mahawat.

What causes rainfall in Punjab and Rajasthan in winters?

“Punjab gets rain in winter season because of the cyclonic depression which is also known as western disturbances. The cyclonic depression put pressure which results in the light rainfall in the winter season in Punjab region.

What is winter monsoon?

Winter monsoons have a dominant easterly component and a strong tendency to diverge, subside, and cause drought. Both are the result of differences in annual temperature trends over land and sea. … persistent offshore flow called the winter monsoon occurs.

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What causes the winter rain in Chennai?

The winter rain in Chennai is caused by North-East Monsoons. Tamil Nadu receives winter rainfall because of the retreating monsoon and the North-east Monsoon winds which pass over the Bay of Bengal, they get moisture and when they reach the Tamil Nadu coasts they cause rainfall there.