Answer:
The
cold weather season begins from November in Northern India and stays till
February. December and January are the coldest months in the Northern part of
India.
(i) The weather is normally marked by clear sky, low temperatures, low
humidity and feeble variable winds.
(ii) Days are warm and nights are cold. Frost is common in
the North and higher slopes of the
Himalayas experience snowfall.
(iii) During this season, the North-East trade winds blow
from land to sea and hence for most parts or the country it is a dry season.
Some amount of rainfall occurs on the Tamil Nadu coast from these winds as they
blow there from sea to land.
(iv) A characteristic feature of the cold weather season over
the Northern plains is the inflow of cyclonic disturbances from the West and
the North-West.
The low pressure systems originate over the Mediterranean
sea and Western Asia and move into India along with the Westerly flow. They cause
the much needed winter rams over the plains and snowfall in the
mountains.
(v) Although the total amount of winter rainfall locally
known as 'Mahawat' is small, it is of immense importance for the cultivation of
Rabi crops.
(vi) The peninsular region does not have a well defined
cold season. There is hardly any noticeable change in temperature pattern
during winter due to the moderating influence of the sea.
This types of question will not be asked in the
examination. Only two or three sub-parts will
be asked
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