The South-West monsoon has remained stuck over the Andaman and Nicobar islands even as heat wave conditions over the mainland shifted from North-West India to the eastern parts of the country.

Maximum and minimum temperatures over North-West and adjoining Central India may however start gradually rising over the next two days, an India Met Department update said.

Rain scale-up

According to the US Climate Prediction Centre, the thundershowers lining up over South India will scale up during the week beginning June 1.

Western parts of Sri Lanka, parts of Kerala and north Coastal Tamil Nadu (Puducherry-Chennai belt) are expected to witness moderate to heavy rain during this period.

According to the US National Centre for Environment Prediction, moderate to heavy rain is forecast over the seas (Arabian Sea) off the Kerala coast during the current week ending on June 3.

The following week (June 3-11) would see heavy to very heavy rain lash the Kerala and Karnataka coasts as also South Interior Karnataka, Rayalaseema and Telangana.

This more or less corroborates the India Met outlook for heavy rain associated with the delayed onset of the monsoon this year.

Heating under check

Dust storms or thunderstorms being triggered by a passing western disturbance would keep the temperatures under check in Punjab, Haryana, Chandigarh, Delhi and Uttar Pradesh.

Thunderstorms have also been forecast for Bihar, Gangetic West Bengal, Assam and Meghalaya while heavy rain will lash parts of Kerala as well as Assam and Meghalaya.

There is no heat wave warning for Saturday but heavy rain has been forecast at isolated places over Kerala, Assam and Meghalaya.

Thunderstorms accompanied by squall will continue to put a cap on the heat in Punjab, Haryana, Chandigarh, Delhi and Uttar Pradesh.

This would be the likely weather pattern for Sunday as well, the Met forecast says.

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