A deep depression has formed in the Bay of Bengal. It is a weather cycle that moves forward like a wheel. Heavy rains along the way can cause flood-like conditions. It is currently 60 km west of Kolkata. It is 170 km east of Jamshedpur and 270 km east-southeast of Ranchi.
It will gradually move towards the west. The speed is about 8 km/hr. Therefore, heavy to very heavy rain is expected in Bankura, Purulia and West Medinipur. The wind speed at sea can reach 70 km/hr. According to meteorologists, the storm is likely to move slowly towards Delhi. Uttar Pradesh and Bihar will be in its path. However, some say that it will ease from deep depression to depression in the next 48 hours.
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According to the meteorological department, heavy rains are likely in different parts of Uttarakhand, Chhattisgarh, Bihar, Arunachal Pradesh, Assam and Meghalaya, Nagaland, Manipur, Mizoram and Tripura, all of which received more than seven centimetres (70 mm) of rainfall. More water is likely to fall.
Special Report: 08: West Bengal Gangetic region in deep depression pic.twitter.com/woJs0gp4B4
— Indian Institute of Management Calcutta (@ImdKolkata) September 15, 2024
These states will be affected in the coming days
Rain, lightning and storms are likely in Uttarakhand, West Madhya Pradesh, Chhattisgarh, Bihar, Jharkhand, Odisha, sub-Himalayan West Bengal and Sikkim. Rain and lightning are likely in different parts of Arunachal Pradesh, Assam and Meghalaya, Nagaland, Manipur, Mizoram and Tripura, Tamil Nadu, Puducherry and Karakalkar.
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It is common to see a low pressure system forming during the monsoon. This is called a monsoon depression. It subsequently intensifies and turns into a monsoon depression. These low pressure areas and depressions formed during the monsoon persist for a long time.
Due to rapid urbanization, land cyclones are forming
Scientists believe that the haphazard development of cities is the reason for flooding in cities during this weather. Rainwater management is not good. There is no balance between jungle and concrete. There is no rainwater collection. Therefore, the situation in cities becomes worse due to this weather. The name of this new problem is land-based cyclones.
The situation will get worse in a few years.
Extreme rainfall in India is expected to increase by 18% between 2071 and 2100 compared to 1982-2014. This is if CO2 emissions continue to grow at their current rate. If emissions increase, the intensity of rainstorms will increase by 58%. This dangerous fact was revealed in a study by the Indian Institute of Tropical Meteorology (IITM). It is claimed that there is a possibility of a significant increase in extreme rainfall events in India by the end of this century.
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The biggest impact will be on the Western Ghats and central India. Rising CO2 emissions are believed to be responsible for this weather. The study further indicates a growing threat to the eastern coastal areas of India and the Himalayan foothills. Currently, 8% of India experiences excessive rainfall. This will increase exponentially in the future.
The number of rainy days will increase
The incidence of long-term extreme rainfall will double. Such rainfall lasts for three to six days compared to short-term rainfall. The likelihood of loss of life and property due to such rainfall increases. The total number of days with extreme rainfall may increase to nine days per year by the end of this century from the current four, said Jasti S Chaudhary, a scientist who conducted the study. Monsoon rainfall is expected to increase by 6% to 21%.
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