Assam, Meghalaya and Arunachal Pradesh remained one of the most rain deficient states during Southwest Monsoon. And Nagaland, Manipur, Mizoram and Tripura (NMMT) has also received below normal rainfall.
Now we are in post Monsoon season and since October 1, except Tripura every state of Northeast India is rain deficient. Tripura has received 11% less than normal rainfall.
A cyclonic circulation which was over Northeast Bay of Bengal has shifted towards North Bay of Bengal. And in the process the weather system has given good rainfall over NMMT. States like Nagaland, Mizoram & Tripura has received moderate to heavy rains.
Now we expect that rain intensity will increase over NMMT for next 24-48 hours. Thereafter Assam and Meghalaya will also receive good showers.
In others words till October 9, many areas of Northeast India will receive good rainfall activities, thereafter rainfall activity will decrease over these areas due to the further northwest movement of the cyclonic circulation. The decrease in rainfall activity will start only after October 9.
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