Question

The western disturbances which cause winter rain in India originates in___
a) Pakistan
b) Bay of Bengal
C) West Asia
d) Himalayas

Answer 1

Hint: Season, which stretches from December to February. The coldest months of the year are December and January, when temperatures in the northwest average around 10-15 °C (50-59 °F); temperatures increase as one progresses towards the equator, peaking around 20-25 °C (68-77 °F) in the southeast of mainland India.

Complete Answer:
- Mahawat is a limited volume of winter rainfall in terms of geography owing to cyclonic disturbances in the west and northwest. For Rabi crops grown during the winter season, this is best.
- The limited amount of winter rainfall triggered by cyclonic disruptions is known locally as 'Mahawat'.
- It is of tremendous importance in North India for the cultivation of Rabi crops. With light winds, the season is typically dry. So mahavat, which is of great use to the 'rabi' even though very small in quantity,
- In India, the western disturbances that cause winter rain originate in West Asia. However an approaching western disturbance in northern and central India and western parts of Maharashtra is expected to cause a change in weather. In northern India, A WD is correlated with rainfall, snowfall and fog. Clouds, along with rain and snow, also arrive upon their arrival in Pakistan and northern India.

Hence, the correct answer is option c).

Note: The events of El Niño are related to a warming of the central and eastern tropical Pacific, while the events of La Niña are the opposite, with a prolonged cooling of the same regions. In a period known as the El Niño-Southern Oscillation, such shifts occur in the Pacific Ocean and its overlying atmosphere (ENSO).