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प्रश्न
Give an account of weather conditions and characteristics of the cold season.
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उत्तर
The Cold Weather Season
Beginning from mid-November, the winter season lasts till February. The weather is usually marked by clear sky, low temperatures and low humidity, and feeble and variable winds. The temperature decreases from the south to the north, with the peninsular region not showing any noticeable seasonal change in temperature pattern due to the moderating influence of the sea. The coldest months are December and January. The days are generally warm and the nights are cold. Frost is common in the north and the higher slopes of the Himalayas experience snowfall.
During this season, the sub-tropical westerly jet streams blowing south of the Himalayas bring in cyclonic disturbances from the Mediterranean region. These cause winter rains over the plains and snowfall in the mountains. The Tamil Nadu coast also receives winter rainfall due to the blowing of the north-east trade winds from sea to land.
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संबंधित प्रश्न
Give a geographical reason for the following:
Jaipur has a higher annual range of temperature than Mumbai.
Give reasons for the following:
When the Malabar Coast is receiving heavy rainfall in July, the Tamil Nadu coast is comparatively dry.
Study the climate data given below and answer the questions that follow:
| Month | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
| Temperature in °C |
23.1 | 24.8 | 26.5 | 29.2 | 32 | 32.8 | 33.1 | 32.1 | 30.5 | 29.3 | 28.7 | 26.1 |
| Rainfall cm | 15.3 | 10.1 | 0.3 | 0.1 | 1.3 | 4.5 | 6.1 | 10.2 | 10.5 | 20.1 | 16.8 | 19.0 |
- Calculate the annual rainfall experienced by the station.
- Suggest the name of this station, giving a reason for your answer.
- Name the season during which the rainfall is heaviest.
Study the data of distribution of temperature and rain for Station X and answer the questions that follow :
(i) Is Station X in the coastal area or in the interior of the country?
(ii) Calculate the total annual rainfall for Station X.
(iii) Name the wind that brings most of the rainfall to Station X.
- Name two rainiest stations.
- Name two driest stations.
- Two stations with the most equable climate.
- Two stations with the most extreme climate.
- Two stations are most influenced by the Arabian branch of southwest monsoons.
- Two stations are most influenced by the Bay of Bengal branch of south-west monsoons.
- Two stations influenced by both branches of the south-west monsoons
- Two stations influenced by retreating and north-east monsoons.
- Two stations are receiving winter showers from the western disturbances.
- The two hottest stations in the months of
- February
- April
- May
- June
How are the sources of rainfall in the North-west part of India different from the rainfall experienced on the coastal areas of Eastern India in winter?
Kanyakumari is the first to receive the south-west monsoon stream and the last to see its retreat.
When the Malabar coast is receiving heavy rainfall in July, the Tamil Nadu coast is comparatively dry.
Mumbai receives rainfall in the summer season while Chennai receives rainfall from October to December. Why?
Mention the temperature and rainfall conditions found suitable for its growth.
