During the last 24 hours, Sikkim, Assam, Meghalaya, and Arunachal Pradesh have been experiencing light rain. While the rest of other parts such as Nagaland, Manipur, Mizoram, and Tripura remained almost dry. The reason for these rains can be attributed to the presence of a Cyclonic Circulation over Bihar.
At present, an anticyclonic circulation is developing over the north Bay of Bengal. Also, in association with this system, the wind confluence zone is developing which is extending from North Bihar to Maharashtra. Another weather system, that is an upper air cyclonic circulation is also lying over the sub-Himalayan West Bengal and adjoining parts of Assam.
Under the influence of all these weather systems, the northeastern states of the country will experience light to moderate rain and thundershowers at a few places. Arunachal Pradesh and upper Assam are likely to see more rains as compared to the other parts of Northeast India.
Similar weather activities will continue during the next three to four days which will be seen in spells. We expect these rains to intensify over the Northeastern states from February 25 onwards.
Between February 25 and February 27, Arunachal Pradesh, Assam, Meghalaya, and Nagaland will observe moderate rain in many places.
While during the same episode of this rainy spell, heavy rain is also expected to be observed in a few places. Manipur, Mizoram, and Tripura may also see rain at the same time. However, the intensity of the rains will be light over these places. All these rains will be very beneficial for crops like coconut, paddy, mustard, etc.
Image Credits: Pratidin Times
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