Mercury level for the national capital had a large swing in the last one week. The capital city touched 40°C on 26th April 2024 and a sharp plunge, thereafter to record 33.7°C on 01st May. Delhi reached the 40°C mark, to be precise 40.5°C, just once in the month of April. No heat wave and no ‘loo’ were the highlights of the previous month. May also started on a cool note but the rise of mercury, to reach closer to 40°C again, looks evident around the weekend.
Mercury has risen by about 2°C in the past 24 hours and a maximum of 35.5°C was recorded at Safdarjung observatory. A rise of about 2-3°C can be expected today and the maximum could reach 38°C. It may come further closer to about 40°C by midweek next. However, the heat wave is unlikely for Delhi/NCR during the first two weeks of May.
As an offshoot of the western disturbance, a cyclonic circulation is marked over border areas of West Rajasthan and Pakistan. This circulation will move eastward and come closer over Haryana, with a feeble trough extending further eastward, running in close proximity of Delhi. With the accumulated heat and trough, as triggers, light rain and showers are likely late in the day, tomorrow. The weather activity will be rather shallow to inflict any change in other weather conditions.
More such showers can be expected, next week. The first pre-monsoon spell of May is expected between the 09th and 11th of May 2024. The intensity and spread of activity will be large to cover parts of Punjab, Haryana, Delhi, Rajasthan, West Uttar Pradesh and North Madhya Pradesh. The thunderstorm activity during this period, may once again, swing the temperatures, arresting any abrupt rise of mercury, in the second week of May.
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