The slow-moving depression in the Bay of Bengal has crossed the Odisha coast and weakened a round but not before dumping heavy to very heavy rain over a large swathe spread practically over the entire landscape.

Its capacity to influence weather over distances of hundreds of kilometres in all directions was evident in the manner in which it pushed the monsoon’s reach to the whole country on Wednesday, breaking out of a prolonged gridlock in the north-west.

Covers entire land The India Met Department (IMD) said the monsoon covered the entire landscape four days behind schedule, after it entered the remaining parts of west Rajasthan, Haryana and Punjab.

This belt had received surplus pre-monsoon showers, which, in a way, was responsible for the resistance that the monsoon ran into. Cooled surface builds higher pressure, which does not allow rain clouds to form.

On Wednesday, the IMD located the rain-driving well-marked low-pressure area over interior Odisha. It is expected to move to the west with a slight bias to west-northwest, heading towards Gujarat and adjoining south-west Rajasthan.

It may weaken along the way but without any meaningful impact on its rain generating capacity.

It would continue to bring moderate to heavy rainfall over parts of Chhattisgarh, east and west Madhya Pradesh and Gujarat.

Successor on the way It will flare up a second time over west Madhya Pradesh and Gujarat on July 22, 23 and 24, bringing even heavier rain even as it induces the formation of another potent low-pressure area over north-west Bay of Bengal by July 25.

In its outlook valid for Thursday, the IMD has warned of heavy to very heavy rain at a few places over Konkan and Goa, which includes Mumbai.

The heavy rain belt will be active over Madhya Pradesh, Vidarbha, Chhattisgarh, central Maharashtra, coastal and south interior Karnataka. Heavy rain has been forecast for parts of north-west India, Gujarat, Marathawada, Telangana and Kerala.

There is not much change in the forecast for the two to three days that follow (i.e. the rest of this week) given that the current weather system will sign off from the West only to usher in a successor announces from the East.

It is likely that the same pattern of rainfall might come back to visit East, Central and West India next week, though the US Climate Prediction Centre doubts if it would be able to match the intensity of the previous round.

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