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The pre-monsoon season is India’s second hottest this year; Winter is warming fast: StudyARY Tv News

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This year’s summer or pre-monsoon season is the second hottest pre-monsoon season in the country in 2016, with winter and post-monsoon seasons warming faster, according to recent findings from the Urban Laboratory of the Center for Science and Environment. According to the study, the surface temperature in Delhi has been the highest since 2010 and the city recorded a significant positive anomaly (higher than expected temperature) in all three temperature parameters.

In an effort to understand the warming trend in a comprehensive way, the study by the Center for Science and Environment (CSE) analyzed temperature trends covering all three dimensions of heat stress – surface air temperature, land surface temperature and humidity. (heat index). The air temperature in Delhi is 1.77 degrees Celsius higher than in 2010 and the land surface temperature is 1.95 degrees Celsius higher than in 2010, according to the study.

According to CSE analysis, the daily average heat index in June, 2022 crossed 40 degrees Celsius. March and April were unusually dry in Delhi, but humidity began to rise in May with some scattered rainfall. But this increase in humidity has led to an increase in the heat index in the city, indicating increased heat discomfort among people. “On May 16, 2020, when 53.9°C was recorded within the city limits, the maximum land surface temperature was observed on May 14, 2022 with a maximum of 51.8°C. In previous years, the maximum land surface temperature was observed to be in the mid-40s,” the CSE findings said.

During the heat wave in May, 2022, surface temperatures across Delhi soared above 38 degrees Celsius, which was “unusual as green pockets within the city had not warmed this much in previous years,” it said. The average land surface temperature is higher than the daily average air temperature. “Industrial and agricultural zone recorded maximum increase in surface temperature from March to May. Peripheral areas of the city in North, Southwest and North-West Delhi witnessed the highest surface temperature rise from March 19 to May 14, 2022.” The study said.

The study further noted that the temperature of water bodies also rose to 29-30 degrees Celsius in May, which was lower than 27 degrees Celsius in March. According to CSE’s analysis of air temperature variation between stations in the city, Chandni Chowk recorded the highest average air temperature on May 14, 2022 with 40.39°C, followed by Punjabi Bagh at 40.29°C, Mundka at 39.5°C and Paharganj at 3°C. .

CSE said the aim of the city analysis is to understand the combined effect of seasonal heat waves induced by climate change. The study is based on a comparative statistical analysis of temperature anomalies and heat-related impact in Indian cities and regions.

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