For the last few days, rainfall activity has been confined to Sub-Himalayan West Bengal, Sikkim and parts of Northeast India. Very heavy rains have also resulted in flood in Assam, which has affected more than 2 lakh people.
These heavy rains can be attributed to the shifting of the Monsoon trough to north of its current position. Presently, the axis of the Monsoon trough is very close to the Sub-Himalayan West Bengal and Northeast India and is expected to persist there for some time.
Mainly, various parts of Assam and Meghalaya have received heavy to very heavy rain since the past few days. For instance in the last 24 hours from 8:30 am on Wednesday, various places in Assam recorded rainfall in 3 digits. While Mushalpur and Barpeta received 126 mm and 125 mm of rain, respectively, Gossaigaon also observed 113 mm of rainfall.
Heavy rains in Meghalaya have also triggered landslides which have disconnected many states in the Northeast from the rest of the country. In a span of 24 hours, Cherrapunji received a whopping 312.4 mm of rain. Also, Williamnagar has observed 102 mm of rain, and Nongstoin recorded a good 101 mm of rainfall.
Cherrapunji received more than 400 mm of rain yesterday, which means that in just a few days, the city will cross its monthly average rainfall. Heavy rains will continue in the region for at least 2 to 3 days. Thereafter, the intensity will reduce.
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