North eastern states get heavy rainfall.How?
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Answer
Southwesterly winds from the Bay of Bengal and westerly winds over India will converge over eastern India and might produce heavy rain in eastern India. Very heavy rain and flooding are likely in Arunachal Pradesh, Sikkim, Nagaland and West Bengal. Meanwhile, heavy rain and flooding are possible in Assam, Meghalaya, Manipur, Mizoram and Tripura. The rain may intensify due to southerly winds over the Bay of Bengal which will bring moist air to eastern India.
Coming to southern India, a surface low (surface area with minimum pressure) related to a cyclonic circulation around the southern region may cause heavy rain in Andhra Pradesh and Tamil Nadu.
The monsoon trough axis moves northward and passes across Himachal Pradesh, Uttarakhand, Uttar Pradesh, Bihar, Assam and Nagaland on Wednesday, as against yesterday, when it passed across Punjab, Haryana, Uttar Pradesh, Bihar and West Bengal. A northward position of the monsoon trough axis usually intensifies the rainfall in northeastern states of India. We will be watching further shifts in the axis closely.
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