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Distinguish between ‘Burst of Monsoon’ and ‘Break of Monsoon’

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  • Last Updated : 12 Aug, 2022
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A monsoon is a seasonal change in direction of the prevailing or strongest winds in an area. Monsoons cause wet and dry seasons in many parts of the tropics. Monsoons are mostly associated with the Indian Ocean. The monsoon always blows from cold regions to warm regions. The summer and winter monsoons determine the climate of India and most of Southeast Asia.

Cause Of Monsoon

According to the  Meteorological Administration, monsoons (from the Arabic mawsim meaning “season”) are caused by the temperature difference between land and the adjacent sea. According to Southwest Climate Change, the sun heats land and sea differently, causing winds to tug-of-war and eventually change direction, bringing in cooler, moister air from across the ocean. When the rainy season ends, the wind reverses again.

Wet and Dry Monsoon

According to National Geographic, wet monsoons typically occur during the summer months (April-September) and are accompanied by heavy rainfall. On average, about 75% of annual rainfall in India and about 50% of the monsoon regions of North America (according to a 2004 NOAA study) occur during the summer monsoon season. The wet monsoon starts when winds bring cooler, moister air over the ocean to land.

The dry monsoon usually occurs between October and April. Instead of blowing from the sea, winds tend to come to India from dry, warm climates like Mongolia and northwestern China, according to National Geographic. The dry monsoon tends to be less intense than the summer monsoon. Edward Guinan, professor of astronomy and meteorology  at Villanova University, says winter monsoons occur when “the land cools  faster than the water and  high pressure builds up over the land, preventing the infiltration of ocean air.” This leads to a drying period.

Northeast Monsoon

Cause: High-pressure cells in the Tibetan and  Siberian highlands.NE Monsoon winds bring rain to the country’s southeast coast  (Tamil Nadu coast and south Simandra coast).   

Factors responsible for the formation of the Northeast monsoon   

  •  Formation and strengthening of high-pressure cells in the Tibet and  Siberian highlands during winters.
  •  Tropical Convergence Zone (ITCZ) migration to southern India. 
  •  Westward migration and weakening of high-pressure cells in the southern Indian Ocean.

Southwest Monsoon

Cause: Intensive heating in summer causes the intensive formation of cyclones on the Tibetan Plateau. Permanent hyperbaric chambers in the South  Indian Ocean (east to northeast of Madagascar in summer). Southwest monsoon winds bring heavy rainfall to most countries.  

Factors Influencing the Occurrence of the Southwest Monsoon

  •  Concentrated Low-Pressure Formation on the Tibetan Plateau. 
  •  Permanent High-Pressure Cells in the Southern Indian Ocean. 
  •  Subtropical Jet Stream  
  •  East African Jet (Tropical East Jet).

Factors influencing intensity of SW monsoons

  • Low pressure in the Tibetan Plateau and high pressure in the southern Indian Ocean. 
  • Somali Jet. 
  • Somali Current.
  • Indian Ocean Dipole. 

Monsoons and Global Warming

A 2015 study by Yen Yi Loo, Lawal Billa, and Ajit Singh team published in the journal Geoscience Frontiers found that the effects of global warming on the rainy season could be potentially devastating due to frequent shifts and changes in rainfall. level and time. World Monsoons estimates that rainfall will increase during the summer monsoon season over the next 50 to 100 years.

Greenhouse gases such as carbon dioxide can cause warm air to hold more water, which can then be released as rain to areas that are already wet. During the dry monsoon winter season, the land is thought to become drier as evaporation increases at higher temperatures.  According to  World Monsoons, precipitation during the summer monsoons can change from year to year over short periods of time due to a variety of factors, including air pollution.

An El Niño in the Pacific could also affect the rainy season in India in the short and long term, according to a study by the University of Colorado  Boulder.   According to the study above, the intensity of El Niño warming was thought to have a major impact on the intensity of the monsoon season. But it now appears to be a warming place, not an El Niño event. Researchers collected precipitation data from India and satellite observations of the Pacific and found that India experienced a drought when El Niño warming occurred in the central Pacific.  There were normal monsoon conditions in the Indo-East Pacific. More rain fell in India’s western the Pacific Ocean.

There are many factors that can influence the monsoon season, including El Niño, and much research is being done to better understand these factors and how the monsoon season changes. Much of this research focuses on how the Office of Naval Research can better predict future and present precipitation and wind, as described in a 2015 article published in  Science Daily. The more knowledge we have of the workings of the monsoon, the more accurately we can predict its onset and intensity.

For example, according to Stratfor, about half of India’s population is engaged in agriculture, and agriculture accounts for 18% of India’s GDP, so changing both the rainy season and rainfall could be a  big problem. Any ongoing research can turn a problem into a solution.

Burst Of Monsoon

Monsoons are seasonal winds that change direction with the seasons. Monsoons constitute a dual system of monsoons as they start traveling from sea to land in summer and from land to sea in winter. The rainy season lasts from 100 to 120 days from early June to mid-September. During arrival,  normal rainfall increases suddenly and lasts for several days,  known as a “burst” of the monsoon. 

Break Of Monsoon

A monsoon break occurs when there is little or no rain for several days during the monsoon period. A monsoon tsunami occurs when it rains continuously for several days. The precipitation is not particularly strong. The intensity of the rain is very high. The monsoon rains for several days and then dries for several days. These are called the rainy and dry seasons, and the days when there is no rain are called the resting period of the monsoon season.

Difference Between Burst Of Monsoon and Break Of Monsoon

Burst Of Monsoon

  • A monsoon burst can damage property, people, and crops when it rains continuously for multiple days.
  • During the rainy season, the intensity of precipitation is very high.
  • In the middle of the monsoon, there is a lot of constant rain.

Break Of Monsoon

  • The break of the rainy season is good for growing crops.
  • During the rainy season, the precipitation intensity is moderate and not strong.
  • Precipitation is intermittent and rain is not constant. There is a mixture of dry and wet seasons.

Sample Questions

Question 1: How long is the rainy season last in India?  


India’s summer monsoon typically lasts from June to September, during which large areas of western and central India receive more than 90% of total annual precipitation, and southern and northwestern India from 50 to 75 % is received. their total annual rainfall.

Question 2: What is the direction of the Indian monsoon?  


Indian Monsoon, the world’s most famous monsoon system, affects primarily  India and its surrounding waters. It blows from the northeast during the cool months and turns southwest during the warmest months of the year.

Question 3:  Which city has the most rain during the rainy season? 


Mawsynram receives an average of over 10,000 millimeters of rainfall per year, with most of the precipitation falling during the wet season. Comparison of rainfall in Cherrapunji and Mawsynram over the years. Mawsynram has the most rainfall in India.

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