Delhi’s minimal temperature dropped to six.9 levels Celsius on Sunday, the bottom within the month of November since 2003, as a chilly wave swept elements of the town.
The nationwide capital had recorded a minimal of seven.5 levels Celsius on Friday, the bottom within the month in 14 years, in line with the India Meteorological Department.
“The Safdarjung Observatory which provides representative data for the city, recorded a minimum of 6.9 degrees Celsius. It is Delhi’s lowest minimum temperature in the month since November 2003, when the city recorded a minimum of 6.1 degrees Celsius,” mentioned Kuldeep Srivastava, the top of the IMD’s regional forecasting centre.
The mercury dropped to six.1 levels Celsius on the Palam climate station, he mentioned.
For the plains, the IMD declares a chilly wave when the minimal temperature is 10 levels Celsius or under and is 4.5 notches lower than regular for 2 consecutive days.
“However, for small areas such as Delhi, a cold wave can be declared if the criteria is fulfilled even for a day,” Mr Srivastava mentioned.
Delhi had recorded the bottom minimal temperature of 11.5 levels Celsius final yr, 10.5 levels Celsius in 2018 and seven.6 levels Celsius in 2017 within the month of November.
The all-time file for the bottom minimal temperature in November is 3.9 levels Celsius recorded on November 28, 1938.
Mr Srivastava mentioned icy chilly winds blowing from snow-laden western Himalayas have led to a dip within the mercury.
However, the minimal temperature will rise by two to 3 levels Celsius within the subsequent 4 to 5 days underneath the affect of a contemporary Western Disturbance.
The minimal temperature this month, barring on November 16, has remained 2-3 diploma Celsius under regular within the absence of a cloud cowl, in line with IMD officers.
Clouds entice a number of the outgoing infrared radiation and radiate it again downward, warming the bottom.
The month of October was the coldest in 58 years within the nationwide capital.
The imply minimal temperature in October this yr was 17.2 levels Celsius, the bottom since 1962, when it was 16.9 levels Celsius.