Explanations:Meghalaya, a state in northeastern India, is renowned for receiving the heaviest rainfall in the country. This is primarily due to its geographical location and the influence of the monsoon winds. The state is situated in a region that is heavily influenced by the monsoon, which brings a significant amount of moisture from the Bay of Bengal. The topography of Meghalaya, with its mountainous terrain, further enhances the rainfall by causing the moisture-laden winds to rise and cool, leading to condensation and precipitation.
Two places in Meghalaya, Cherrapunji and Mawsynram, are particularly famous for their extremely high rainfall. Cherrapunji, located in the East Khasi Hills district, was once recorded as the wettest place on Earth, with an annual rainfall of over 11,000 mm. Mawsynram, also in the East Khasi Hills district, has since taken over as the wettest place on Earth, with an average annual rainfall of about 11,871 mm. These high rainfall levels are due to the unique geographical and climatic conditions of the region.
The monsoon winds, which are a significant source of rainfall in India, play a crucial role in the heavy rainfall in Meghalaya. The winds, carrying moisture from the Bay of Bengal, are forced to rise over the hills and mountains of Meghalaya. As the air rises, it cools and condenses, leading to heavy rainfall. This process is known as orographic lifting, and it is a key factor in the high rainfall levels in Meghalaya.
While other states like Kerala, Tamil Nadu, and Assam also receive significant rainfall, they do not match the rainfall levels of Meghalaya. Kerala, located in the southwestern part of India, receives heavy rainfall during the southwest monsoon, but its average annual rainfall is lower than that of Meghalaya. Tamil Nadu, located in the southern part of India, receives rainfall from both the northeast and southwest monsoons, but its rainfall is more moderate compared to the northeastern states. Assam, located in the northeastern part of India, also receives heavy rainfall during the monsoon season, but it is not as high as the rainfall in Meghalaya.
Understanding the geographical and climatic factors that contribute to the heavy rainfall in Meghalaya is essential for comprehending the unique weather patterns in this region. The combination of the monsoon winds, the topography of the state, and the location of Meghalaya in the northeastern part of India all contribute to its status as the state with the heaviest rainfall in India.