Capital city Delhi will witness rise in mercury level over the next 4 days. Gradual rise in the day temperature is expected between 23rd and 26th June. It is likely to touch or exceed 40°mark on 25th and 26th June. Pentad normal for Safdarjung observatory, representative of Delhi, in the last week of June is about 38°C.
National capital had earlier experienced heat wave conditions during 1st fortnight of June. Mercury exceeded 40°C persistently and even breached 44°C on 2 occasions. The maximum temperature peaked at 44.2°C on 05thJune 2022. The 1st half of June also had the distinction of being totally dry and recorded mean maximum of 43.1°C, about 4°C above the normal. The temperatures dropped considerably below normal since 17thJune to remain in low 30’s between 18th and 20thJune and rising to mid 30’s on the subsequent 2 days, on 21st & 22ndJune. It touched the lowest of 30.7°C on 19thJune, about 8°C below the normal. Cloudy weather and extended pre monsoon activity led to comforts, akin to March for a week.
Delhi remains on hold for the onset of monsoon, for the time being. Dry northwesterly winds will result clear skies and rise in mercury till 26thJune. Meteorological conditions are developing to usher monsoon easterlies all along the Indo-Gangetic plains over the next 4 days. An east-west trough is expected to form and run very close to Delhi for 4 days from 27th till 30th June. Such a situation will be favorable for sharp showers and tall clouds with thunderstorm activity during this period. Ultimately, this change of pattern and twist in the weather conditions will tweak the monsoon over Delhi anytime after 28thJune.