Northeast India is the rainiest pocket during the Southwest Monsoon season. However, this season, the region has underperformed so far with all the divisions being rainfall deficient.
As on August 23, Arunachal Pradesh is 37% rain deficit followed by Assam and Meghalaya at 34% and NMMT (Nagaland, Manipur, Mizoram, Tripura) being a shade better with rain deficiency at 25%.
In the last 24 hours also, many parts of Northeast India received light to moderate rains with heavy in isolated pockets. Within the span of 24 hours, from 08:30 am on Thursday, Cherrapunji recorded 265 mm of rains, Kamrup 86 mm, Silchar 49 mm, Imphal 46 mm, Bongaigaon 37 mm, Goalpara 24 mm, Lumding 17 mm, Kohima 11 mm, Kohima 11 mm, Goalaghat 10 mm, Shillong 9 mm, Lengpui 5 mm, Gangtok 4 mm, North Lakhimpur 4 mm, and Guwahati witnessed 1 mm of rains.
As per Skymet Weather, a cyclonic circulation can be marked over North Bay of Bengal and adjoining Bangladesh and West Bengal. This system may turn out to be more organized and may become a low-pressure area in the next 24 hours. Later it may move northwestwards.
Until then, southwesterly winds from the Bay may incur moisture content, resulting in rains over northeastern part of the country. The Monsoon trough is also running close to the foothills, north of its normal position. This scenario would give widespread rains for the next 48 hours, with intensity being more in the next 24 hours with heavy to very heavy rains at a few places.
Moreover, rains would be intense, varying from heavy to very heavy over NMMT followed by over Assam, Meghalaya and then the comparatively lesser amount of rainfall is expected over Arunachal Pradesh which may see some moderate showers.
Such torrential rains may even result in localized flooding and lightning strikes. Under this threat, caution is advised for people staying in the region. However, relief is expected once the system would move inland which may happen in the next 48 hours.
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