The monsoon is caused by differing temperature trends over the land and ocean. … Moisture-laden winds from the Indian Ocean come to fill up the void, but because they can’t pass through the Himalayas region, they’re forced to rise. The gain in altitude of the clouds results in a drop in temperature, bringing about rain.
How did monsoons originate in India?
IT has generally been held that the south-west monsoon owes its origin to the great difference of temperature which exists during the summer months between the heated land surface of India and the surrounding oceans, the general idea being that the warm air over the land rises, and damp air from the sea flows into …
When did monsoons come to India?
June 1 is regarded as the date of onset of the monsoon in India, as indicated by the arrival of the monsoon in the southernmost state of Kerala. The monsoon accounts for nearly 80% of the rainfall in India.
Where does the monsoon arrive in India?
On reaching the southernmost part of the Indian Peninsular gets divided into the Bay of Bengal Branch and the Arabian Sea Branch. June 1 is regarded as the first day of the monsoon in the country and arrives in the southernmost state of the country, Kerala.
How are monsoons created?
Monsoons are caused by temperature differences in the air over land and sea. They blow from colder to warmer areas. … The air above the land cools to a temperature lower than that of the air above the sea. The warmer sea air rises, and the cooler air blows from the land to the sea to take its place.
What is monsoon and its origin?
The origin of word monsoon is from the Arabic Mausim, meaning “season”. The name originally referred to wind reversals in the Arabian Sea, but has come to mean the whole range of phenomena associated with annual weather cycles in Tropical and Sub-tropical Asia, Australia and Africa.
What are the factors affecting Indian monsoon?
Factors influencing the onset of SW monsoons:
- Intense low-pressure formation over the Tibetan Plateau.
- The permanent high-pressure cell in the South of the Indian Ocean.
- Subtropical jet stream.
- African Easterly jet (Tropical easterly jet)
- Inter-Tropical Convergence Zone (ITCZ)
How often do monsoons occur in India?
There are two monsoons (or rainy seasons) in India. The summer monsoon season in India, otherwise known as the southwest monsoon, which lasts from June to September and affects the whole of India. Then the northeast or winter monsoon brings seasonal rainfall to Southeast India from October to December.
Why is monsoon first in Kerala?
Monsoon onset over Kerala
The actual arrival of the monsoon is marked by a prolonged period of rain over most parts of Kerala. This is because the southwest monsoon branch arrives from the Arabian Sea, and hits the western ghats of Kerala before any other parts of India.
Has the monsoon started in India?
The southwest monsoon has started to make rapid progress across mainland India, advancing over Maharashtra and Goa two days prior to their normal date after making a late start over Kerala. The normal date for the onset in Maharashtra and Goa is June 7.
Which region gets first monsoon in summer?
Explanation : Western Ghats gets first monsoon in summer. As the summer (wet) monsoons approach the West Coast of India, they rise up the western Ghats (mountains) and the air cools.
Where do monsoons occur in the world?
The strongest monsoons tend to occur in India and South Asia in the north and Australia and Malaysia in the south. Monsoons also occur in southern parts of North America, in Central America, northern areas of South America, and in western Africa.
How does monsoons control the climate of India?
The monsoon winds are largely affecting the Indian climate. The monsoon winds blow over the Indian Ocean, pick up moisture from June to September and cause rainfall across the country. … During Monsoon showers, temperatures also drop.
How does the monsoon influence on Indian agriculture?
Monsoon & Agriculture Linkage
About 80 per cent of the annual precipitation over India occurs during the summer period, supplying water to crops during the prime agricultural season. Monsoon friendly crops with a high requirement of water like sugarcane, jute and paddy can easily be cultivated during southwest monsoon.