Delhiites, brace yourselves: Mercury to touch 42 degrees this weekend | delhi | Hindustan Times
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Delhiites, brace yourselves: Mercury to touch 42 degrees this weekend

Weather officials said a western disturbance was approaching India from across the border, but it wasn’t likely to help Delhi and will only have an effect on the higher zones of Kashmir and Himachal Pradesh.

delhi Updated: May 04, 2017 07:06 IST
HT Correspondent
Tourists cover themselves with caps and umbrellas during an extremely hot day in Delhi.
Tourists cover themselves with caps and umbrellas during an extremely hot day in Delhi.(Sonu Mehta/HT PHOTO)

A cyclonic circulation over Haryana might have provided Delhi with some relief from the scorching heat on Wednesday, but the pleasant weather is unlikely to last much longer.

The Met department has asked residents of the national capital to brace themselves for yet another spell of heat wave in the next two days.

“The mercury is expected to shoot up to 42 degrees Celsius by this weekend,” said a senior official of the regional weather forecasting centre in New Delhi.

A heat wave is declared when the maximum temperature rises past the 40 degrees Celsius mark, and at least five degrees above the climatic normal. If the temperature rises seven degrees beyond the climatic normal, the weather condition is termed as a “severe heat wave”.

The city experienced heat wave conditions in April, when the day temperature hovered around 42 degrees Celsius. However, a cyclonic circulation over Haryana and its adjoining areas brought temporary relief to its residents on Wednesday. While some parts of Delhi-NCR experienced dust storms, others benefited from a slight drizzle.

It is expected to witness similar weather conditions, probably even a thunderstorm, on Thursday.

“The cyclonic circulation had been giving rise to dust storms across the region since Wednesday morning, obstructing the sun’s rays. This phenomenon, accompanied by high-altitude clouds, provided some relief from the rising mercury,” said another official.

He said the heat wave will soon return because the cyclonic circulation is moving eastwards. “The temperature at some places in Rajasthan has already shot up to 44 degrees Celsius,” the official added.

The Met official claimed that though a western disturbance was approaching India from across the border, it wasn’t likely to help Delhi. “This will only have an effect on the higher zones of Kashmir and Himachal Pradesh. Any chances of it impacting the plains are remote,” he said, adding that the weather phenomenon was spotted over northern Afghanistan on Wednesday morning.

Western disturbances usually provide some relief to the city during this time of the year because they trigger dust storms and thunderstorms.

On Sunday, a separate western disturbance over Punjab had triggered slight rainfall in Delhi and many parts of northwest India.

While the national capital had recorded a maximum temperature of 44 degrees Celsius on May 3 last year, the mercury barely touched 40 degrees on Wednesday. The highest temperature ever recorded by Delhi for the month was in 1944, when mercury levels shot up to 47.2 degrees Celsius.