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IMD Issues Yellow Alert as Delhi Braces for Extreme Heat Wave Spell

PTI |
The maximum temperature may even leap to 46 degrees Celsius in parts of Delhi, a Met department official said.
heat wave in delhi

Representational image. | Image Courtesy: Max Pixel

New Delhi: On the precipice of another punishing heat wave spell, Delhi is predicted to see a jump of 2 to 3 degrees Celsius in the maximum temperature on Wednesday.

The Safdarjung Observatory -- Delhi's base station --had recorded a maximum temperature of 40.8 degrees Celsius on Tuesday.

It is expected to breach the 42-degree mark on Wednesday and soar to 44 degrees Celsius by Thursday, according to the India Meteorological Department (IMD).

The maximum temperature may even leap to 46 degrees Celsius in parts of Delhi, a Met department official said.

The capital had recorded a maximum temperature of 43.2 degrees Celsius on April 21, 2017. The all-time high maximum temperature for the month was 45.6 degrees Celsius on April 29, 1941.

Northwest India has been recording higher than normal temperatures since March last week, with weather experts attributing it to absence of active Western Disturbances over north India and any major system over south India.

The region had got some respite last week due to cloudy weather due to the influence of a Western Disturbance over Afghanistan. 

A yellow alert warning of a heat wave spell in the national capital starting April 28 has been issued.

The IMD uses four colour codes for weather warnings -- green (no action needed), yellow (watch and stay updated), orange (be prepared) and red (take action).

The IMD said the heat wave could lead to "moderate" health concerns for vulnerable people -- infants, elderly, people with chronic diseases -- in affected areas. 

"Hence people of these regions should avoid heat exposure, wear lightweight, light-coloured, loose, cotton clothes and cover the head by use of cloth, hat or umbrella etc," it said.

The city has recorded eight heat wave days in April this year, the maximum since 11 such days witnessed in the month in 2010.

Delhi may see a partly cloudy sky, light rain, and a dust storm with winds gusting up to 50 kmph on Friday, which may provide a temporary respite.

For the plains, a heat wave is declared when the maximum temperature is over 40 degrees Celsius and at least 4.5 notches above normal.

A severe heat wave is declared if the departure from normal temperature is more than 6.4 notches, according to the IMD.

The weather department had earlier said that northwest India and adjoining parts of central India are likely to see more intense and frequent heat wave conditions in April.

India recorded its warmest March in 122 years with a severe heat wave scorching large swathes of the country during the month.

Parts of the country are also seeing wheat yields drop by up to 35% due to the unseasonal heat.

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