Light-Moderate Showers For Delhi Through The Week: Mercury Dip Likely

Key Takeaways:

• Palam recorded 64.2 mm of rainfall, while Safdarjung remained completely dry, highlighting the highly localised nature of Delhi/NCR's rainfall.
• Short spells of rain and thundershowers will continue over Delhi/NCR, with isolated heavy showers possible during the week.
• Rainfall intensity and spread are expected to increase between September 4 and 6, with longer-duration weather activity over the weekend.
• Persistent clouds and rainfall may lower Delhi's maximum temperature from 36°C to around 32°C (±1°C) for the rest of the week.
• Forecast Validity: Next 2 to 3 days.

Many parts of Delhi/NCR received rain and thunderstorm activity in the late evening and night yesterday. Airport observatory Palam recorded heavy showers amounting to 64.2 mm of rainfall. The base station Safdarjung did not register any rainfall. Earlier, the day temperature had shot up to 36°C for the second time in the last ten days. More rainfall, with isolated heavy showers, is likely during this week, and the temperature is expected to dip by 2-4°C.

The monsoon trough remains the main trigger for rainfall over Delhi around this time. There are two weather systems influencing the position of the monsoon trough: a western disturbance over the mountains and the low-pressure area over Jharkhand and Northeast Madhya Pradesh. The trough on the surface is passing through Delhi, and its axis runs through Ferozepur, Delhi, Lucknow, the centre of the low-pressure area, Digha and further dips over the Head Bay. Both weather systems are moving towards each other and are expected to get aligned after about 48 hours.

Delhi and the neighbourhood will continue with short spells of rain and thundershowers today and tomorrow. The juxtaposition of the two systems will increase the intensity and spread between 04th and 06th September. The weekend will witness weather activity for a longer duration. Persistent clouds and associated weather activity will dip the day temperatures to about 32°C (±1°C) for the rest of the week.