Generally during Southwest Monsoon, heavy to very heavy rains are observed over most parts of Northeast India. Rainfall activity over the region can be credited to the oscillation of the Monsoon trough and the Western Disturbance.
During the last 24 hours, Silchar received 84 mm of rainfall, while Cherrapunji 43.5 mm, Kohima 38.2 mm, North Lakshimpur 36.4 mm and Mangan recorded 33.1 mm of Monsoon showers.
The entire Northeast India has been rainfall deficient for a long time now and at present rainfall figures are such that normal rains will not be achieved. Arunachal Pradesh is rainfall deficient by 16%, Assam and Meghalaya are rainfall deficient by 35% and Nagaland, Manipur, Mizoram and Tripura (NMMT) region is 25% rainfall deficient.
As of now, the moist southerly-southwesterly winds are prevailing over most of Northeast India. The axis of the Monsoon trough is likely to move towards the foothills of the Himalayas. Currently, it is seen over Meghalaya and Manipur region. Under the influence of this, rain activity is expected to increase significantly over Arunachal Pradesh, Assam and Meghalaya. Heavy to extremely heavy rains cannot be ruled out over these areas. Nagaland, Manipur, Mizoram and Tripura are likely to receive light to moderate showers. Most probably, temperatures will come down in most areas with overcast skies and breezy conditions. Rain and thundershowers are expected to continue for next 2-3 days as well.
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