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 …
What causes the South West monsoon in India?
The monsoon is caused by differing temperature trends over the land and ocean. In India, the southwest summer monsoon is attracted by a low pressure area that’s caused by the extreme heat of the Thar Desert in Rajasthan and adjoining areas during summer. During the monsoon, the wind direction reverses.
Why it is called South West monsoon?
The southwest monsoon derives its name from winds which blow from a south-westerly direction in the Indian subcontinent. … A stronger high pressure will produce stronger winds or monsoon current.
Where is South West monsoon in India?
According to a press release by India Meteorological Department (IMD), the southwest monsoon has advanced over the entire south Arabian Sea, some parts of central Arabian Sea, Lakshadweep, Kerala, parts of coastal and south interior Karnataka, Tamil Nadu and some parts of Bay of Bengal.
Why are monsoons early in India?
An advance will take place when there is a fresh pulse to revive the monsoon currents. “Over Northwest India, the monsoon becomes active only when the monsoon currents — either from the Arabian Sea or the Bay of Bengal — reach the region.
What are the branches of Indian monsoon?
The two branches of monsoon are Arabian Sea branch and Bay of Bengal branch.
What are the types of monsoon?
The Types of Monsoons
- Monsoon Cycles. In India, Australia and other equatorial regions, monsoons move from cold, high pressure systems to warmer areas of less resistance with low atmospheric pressure. …
- Summer Monsoons. …
- Dry Monsoons. …
- Embryo Monsoons.
What is the 2 types of monsoon?
The Monsoon winds are classified into southwest monsoon and Northeast Monsoon on the basis of the direction from where they blow.
How is monsoon formed?
Water vapor condenses as air rises and cools in the ITCZ, forming clouds and falling as rain. The ITCZ can be seen from space as a band of clouds around the planet. This is where monsoon rainfall occurs.
What weather is monsoon?
A monsoon is a seasonal change in the direction of the prevailing, or strongest, winds of a region. Monsoons cause wet and dry seasons throughout much of the tropics. Monsoons are most often associated with the Indian Ocean. Monsoons always blow from cold to warm regions.
What is a winter monsoon?
Winter monsoons have a dominant easterly component and a strong tendency to diverge, subside, and cause drought. Both are the result of differences in annual temperature trends over land and sea. … persistent offshore flow called the winter monsoon occurs.
In which month rainy season comes in India?
|Winter||December to January||Very Cool|
|Spring||Feburary to March||Sunny and pleasant.|
|Summer||April to June||Hot|
|Monsoon||July to Mid-September||Wet, hot and humid|
Where did monsoon first enter in India?
The Arabian Sea Branch of the Southwest Monsoon first hits the Western Ghats of the coastal state of Kerala, India, thus making this area the first state in India to receive rain from the Southwest Monsoon.
Which direction does rain come from?
Explanation: It is important to note that precipitation generally moves from west to east in the Northern Hemisphere. This is generally due to lower air pressure further north (ex. North America) than in the tropics.
Is monsoon arrived in India?
In 2020, the monsoon covered the entire country only by June 26. In 2019, this date was July 19, and in 2018, June 29, according to a Skymet report. Typically, the monsoon covers all of India by the end of the first week of July. … The monsoon usually arrives in Delhi by the end of June.