Monsoon has finally arrived in the northeast and from Wednesday, June 24, the region will start receiving heavy to very heavy rainfall for the next three days till Friday, June 26.

The India Meteorological Department (IMD) on Monday informed that the northeast region is likely to receive widespread and extremely heavy rain during this period due to an intense monsoon spell.

The IMD has issued an orange category warning for Assam, Meghalaya, Arunachal Pradesh, Nagaland, Manipur, Mizoram and Tripura.

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Moreover, the orange category warning has also been issued to some other parts of sub-Himalayan West Bengal and Bihar for the same period.

"Extremely heavy rain is expected in these regions from June 24-26," the IMD said.

An orange warning implies that authorities will have to be prepared for rain-related emergencies.

Quoting IMD, the Hindustan Times wrote, "A trough of low pressure currently runs from north Punjab to northwest Bay of Bengal."

"Its eastern end is very likely to shift northward from June 24," the report added.

"The convergence of strong moist southerlies and southwesterly winds from the Bay of Bengal over the northeast and east India is likely to make conditions conducive for extremely heavy rains," the report further added.

It may be mentioned here that the IMD on Monday had warned about a cyclonic circulation over north interior Odisha.

This cyclonic circulation is likely to move northwestwards during the next three days, the IMD had further said.

"Under the influence of the above meteorological features, conditions are becoming favourable for further advance of monsoon into some more parts of Madhya Pradesh, Uttar Pradesh and Uttarakhand during the next 24 hours and into the entire Western Himalayan Region, Haryana, Chandigarh, Delhi, most parts of Punjab during the subsequent 48 hours," the IMD added.

It may be mentioned here that there is also likely to be widespread rains over Punjab, Haryana, Chandigarh, Delhi and the Western Himalayan.