The pounding of northeast India by a persisting upper air cyclonic circulation continued overnight on Monday with Cherrapunji (26) recording exceptionally heavy but localised rainfall for a third day on trot.

An India Meteorological Department (IMD) update said that this once rainiest spot on earth witnessed 26 cm of precipitation on Sunday, preceded by the 46 cm and 32 cm on the immediate previous days. Fairly widespread rain or thundershowers occurred over Arunachal Pradesh, scattered over Assam and Meghalaya and isolated over sub-Himalayan West Bengal, Tamil Nadu and Kerala during the 24 hours ending Monday morning.

A weather warning valid until Tuesday said that isolated heavy to very heavy rainfall would occur over Assam, Meghalaya and Arunachal Pradesh.

An extended forecast valid until Friday said that the fairly widespread rain or thundershowers would continue over Andaman and Nicobar Islands while it would be scattered over the Northeastern States.

Meanwhile, scattered light rain or snowfall was reported from Jammu and Kashmir and Uttarakhand and isolated over Himachal Pradesh on Monday.

Heat wave conditions have briefly shifted from the western flanks of the country to east India.

Jharkhand, north Chhattisgarh and isolated pockets of east Madhya Pradesh, interior Orissa and Gangetic West Bengal have been witnessing spikes in mercury level.

The highest maximum temperature of 40.5 deg Celsius on Sunday was recorded at Jamshedpur and Bankura, the IMD report said. Minimum temperatures have in this manner fallen by 2 to 4 deg Celsius over parts of Rajasthan, Haryana, Punjab and Uttar Pradesh and by 1 to 2 deg Celsius C over Gujarat, Madhya Pradesh and interior Maharashtra.The lowest minimum temperature of 10.8 deg Celsius was recorded at Amritsar.

EASTERLY WAVE

Satellite imagery on Monday afternoon showed the presence of convective (rain-bearing) clouds over parts of south Andaman Sea.

While the weather-setting upper air cyclonic circulation persisted over Assam and neighbourhood, an easterly wave is expected to affect Andaman and Nicobar Islands.

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