Delhi and its surrounding NCR regions experienced a sudden spell of heavy showers on Tuesday, bringing relief from the sticky humidity but also leading to waterlogging and severe traffic congestion across the capital.
The festive season rush only added to the woes of commuters, as rain and gridlocks created a challenging start to the day.
IMD Links Showers to Weather Systems Over West and North India
According to the India Meteorological Department (IMD), the downpour is the outcome of a complex interaction of weather systems across western and northern parts of the country.
Officials explained that a well-marked low-pressure system has developed over the Gulf of Kutch, acting as the primary driver of Delhi’s rainfall. From this system, one trough stretches eastward into southeast Uttar Pradesh, while another extends toward northwest Rajasthan in the lower atmospheric levels.
These trough lines are working as corridors for moist air to stream into north India. The IMD noted that winds carrying moisture from both the Arabian Sea and the Bay of Bengal are converging over the Indo-Gangetic plains, intensifying cloud build-up and rainfall over Delhi-NCR.
Why Delhi-NCR Saw Sudden Intense Rain
Meteorologists highlight that when multiple trough lines converge over northern India, they often trigger short but intense bursts of rain—especially when the moisture inflow is strong.
In the present case, the dual moisture supply from the two seas has amplified cloud formation, leading to heavy showers. Experts said the rainfall is expected to remain localised and sporadic but strong enough to cause disruption.
While the IMD has not forecast a prolonged rainy spell, it has indicated the likelihood of scattered showers in Delhi-NCR over the coming days as the low-pressure system continues to influence weather patterns. Low-lying areas of the capital are expected to remain vulnerable to waterlogging and traffic delays.
September’s Transition and Regional Weather Dynamics
Meteorologists also pointed out that September frequently brings transitional weather for northern India. With the monsoon retreating, the period occasionally sees sudden heavy rainfall events.
The current spell, they say, underscores the interconnected nature of regional weather—where conditions in the Arabian Sea and Bay of Bengal simultaneously shape rainfall activity over the Indo-Gangetic plains.
