NCERT Solution: Climate
1. Loo is the striking feature of hot weather season.
2. These are strong gusty, hot dry winds blowing during the day over the north and north western India.
3. These are very hot winds so the direct exposure to these winds is very harmful.
1. Towards the close of summer season, pre monsoon showers are common, especially in Kerala and Karnataka.
2. This spell of rainfall pours down at the end of the summer in hot weather season.
3. They help in early ripening of mangoes.
4. These are called as ‘mango showers’
1. Mawsynram is located at 25018’ N and 91035’ E in the state of Meghalaya.
2. It is 16 km west of Chiraapunji. It gets the heaviest rainfall in the world.
3. The warm moist air coming from the Bay of Bengal during the monsoon is forced to rain here due to the Khasi hills.
4. The Khasi hills forced the rain bearing winds to rainfall here.
1. The months of October and November are dry months.
2. Sky become clear and due the dryness temperature begins to rise.
3. The days become very hot in October.
4. This period of high day-temperature is called the October Heat.
1. The areas receiving an annual rainfall of more than 200 cm come under the areas of very heavy rainfall.
2. The Western Ghats, North-eastern parts of India are the areas getting rainfall more than 200 cm per annum.
3. Some areas such as Mawsynram and Cheraapunji get rainfall more than 1000 cm per annum
1. The areas of heavy rainfall get 100-200 cm rainfall annually. Eastern slopes of Western Ghats, northern parts of India, Orissa, and Madhya Pradesh etc get 100200 cm rainfall.
2. The area of low rainfall gets 60-100 cm rainfall. Maharashtra, western Madhya Pradesh, parts of Gujarat, Andhra Pradesh, Karnataka, eastern Rajasthan etc are the areas getting 50-100 cm rainfall annually.
3. The areas of very low rainfall getting less than 60 cm rainfall are termed as the very low rainfall areas. Desert areas of Rajasthan and Gujarat, Ladakh region of Jammu and Kashmir and Leeward side of the Western Ghats get less than 60 cm rainfall
1. The Western Cyclonic Disturbances are weather phenomena of the winter months.
2. They are brought in by the westerly flow from the Mediterranean region.
3. They usually influence the weather of the north and north western regions of India.
4. They bring rainfall in the states of Punjab, Haryana and western Uttar Pradesh.
5. Tropical cyclones occur during the monsoon as well as in October-November, and are part of the easterly flow.
6 This rainfall is very beneficial for the Rabi crops.
1. The monsoon arrives at the southern tip of the Indian peninsula generally by the first week of June.
2. Subsequently, it proceeds into two branches, Arabian Sea Branch and the Bay of Bengal branch.
3. The Arabian Sea branch reaches Mumbai about ten days later on approximately the 10th of June. The Bay of Bengal Branch also arrives in Assam in the first week of June.
4. By mid June the Arabian Sea branch of the monsoon arrives over Saurashtra, kuchchh and the central part of the country.
5. The Arabian Sea and the Bay of Bengal branches of the monsoon merge over the north western part of the Ganga plains.
6. By the first week of July, western Uttar Pradesh, Punjab, Haryana and Eastern Rajasthan experience the monsoon.