Northeast India is known for receiving heavy to extremely heavy rainfall during Monsoon months. Though, the matter of fact is that rains over northeastern states till now have not been very encouraging. East and northeast India ended with 28 percent deficient rains for the month of June. NMMT (Nagaland, Manipur, Mizoram and Tripura) was rain deficient by 41 percent and Assam and Meghalaya by 38 percent. Arunachal Pradesh ended with a deficiency of 19 percent.
Only one meteorological division i.e. Sub-Himalayan West Bengal and Sikkim ended with surplus rainfall of 17 percent. The reduction in rain towards the end of June was due to a development of a low-pressure area over west central and adjoining northwest Bay of Bengal. Due to this, the flow of moisture laden winds over Northeast India was restricted.
Now this weather system has diffused and normal flow of moist winds have been restored. The Monsoon trough is also expected to shift towards North, leading to increased rainfall activities for next 4 to 5 days. Due to these rain activities, temperature is also likely to drop.
July is expected to begin on a positive note as rainfall is expected to pick up pace over entire northeastern states and heavy to very heavy rainfall is expected between July 1 and July 5. Thereafter, a drop in rain activities over these areas is predicted.
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