A gradual rise in maximum temperatures is being forecast over parts of north-west, central and east India during the next three days, an India Meteorological Department (IMD) outlook said on Thursday.
The heating comes on the heels of a western disturbance leaving the region, taking away with it associated clouding and moisture.
The clear skies would allow the sun to beat the surface straight and hard.
The country's hottest place on Thursday was far removed from north-west India, in Palakkad in Kerala that recorded a sizzling 42 deg Celsius.
IMD does not have a monitoring station in Palakkad; the reading was recorded by the Integrated Rural Technology Centre (IRTC), a well-known NGO located in the rocky outback of Mundoor.
Palakkad city itself is learnt to have recorded a comparatively cooler 36 deg Celsius during the day.
Palakkad is vulnerable to heating extremes during this time of the year thanks to a barrage of hot easterlies from the dry plains across the border in Tamil Nadu, making their way through the Palakkad Gap.
Situated on the western side of the Gap, the Palakkad plains connect Kerala to the plains of Tamil Nadu and the Deccan.
This geographical location results in an environmental realm that is different from the rest of Kerala.
High-pressure area
The current phase of accelerated heating over the peninsula, including parts of Andhra Pradesh, Orissa, Maharashtra and Madhya Pradesh, is being overseen by a stubborn high-pressure region extending from as far east as the west Pacific.
The European Centre for Medium-Range Weather Forecasting maintained that the system may start withdrawing to the east from the weekend. This would cause the heating to migrate gradually to the west of the peninsula at the instance of a building region of high pressure over the West Asian deserts and advancing towards north-west India.
Meanwhile on Thursday, maximum temperatures over north-west India were 4 to 7 deg Celsius above normal in Jammu and Kashmir, Himachal Pradesh and Uttarkhand.
A fresh western disturbance is expected to affect Jammu and Kashmir on Friday and Saturday.
No significant change in minimum temperatures is expected over north-west, central and east India during the next two days.
The incoming system should bring in moisture and cloudiness and help bring down the maximum temperatures later.
Isolated rain or snow has been forecast over Jammu and Kashmir on Friday and Saturday.
A gradual strengthening of the north-westerly to westerly winds too has been indicated over the Indo-Gangetic plains during the next four days. Isolated rain or thundershowers are likely over parts of the Northeastern States during the next three days.
Satellite imagery on Thursday revealed the presence of low to medium clouds (partly cloudy conditions) over parts of the western Himalayan region, central and east India and the Andaman Sea.
Towards the immediate south and southeast, a confluence of winds held overnight on Thursday over Vidarbha and adjoining Telangana. This is expected to cause isolated light rain or thundershowers over Maharashtra, Madhya Pradesh and parts of south Chhattisgarh, north Andhra Pradesh and Orissa during next three days. The outlook until Tuesday next suggest isolated to scattered rain or thundershowers over the Northeastern States. Isolated rain or thundershowers are also likely over the Andaman and Nicobar Islands and extreme south peninsular India, the IMD said.
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