The ongoing heat wave tightened its grip on parts of Delhi on Sunday, with the mercury exceeding the 45 degree Celsius mark in six localities.
At the Safdarjung observatory, the city’s base station, the maximum temperature stood at 44.2 degrees Celsius compared to 43.9 degrees Celsius on Saturday and 42.9 degrees Celsius on Friday.
The mercury jumped to 47.3 degrees, seven notches above normal, in Mungeshpur, making it the hottest spot in the capital.
Sports Complex, Pitampura, Najafgarh, Jafarpur and Ridge recorded maximum temperatures of 46.6 degrees Celsius, 46.2 degrees Celsius, 46.3 degrees Celsius, 45.1 degrees Celsius and 45.7 degrees Celsius respectively.
The Met office issued a “yellow” alert, warning of heat wave conditions in remote parts of Delhi on Monday.
The Indian Meteorological Department (IMD) uses four color codes for weather warnings: “green” (no action needed), “yellow” (watch and stay updated), “orange” (be prepared) and “red” (take action). ) .
Mahesh Palawat, Vice President (Climate Change and Meteorology), Skymet Weather, said Delhi, Haryana, Punjab, northern Rajasthan and western Uttar Pradesh could see intermittent pre-monsoon activity from the June 10. The maximum temperature in the capital could drop to 40-41 degrees Celsius by Saturday.
“The monsoon will cover eastern India by June 15, which will intensify pre-monsoon activity in northwest India,” he said.
A heat wave is declared when the maximum temperature is above 40 degrees Celsius and at least 4.5 notches above normal. A severe heat wave is declared if the deviation from normal temperature is more than 6.4 notches, according to the IMD.
Based on recorded absolute temperatures, a heat wave is declared when an area records a maximum temperature of 45 degrees Celsius.
A strong heat wave is declared if the maximum temperature exceeds the 47 degrees Celsius mark.