The Southwest Monsoon officially made its onset over Kerala on Thursday, marking the beginning of India's crucial four-month rainy season. The arrival came around three days later than its normal onset date, after weather conditions delayed its advance into the southern state.
The monsoon's arrival in Kerala is a significant annual event as it signals the start of the rainy season across the country. Following its onset, the monsoon is expected to gradually move northward, covering large parts of India in phases and reaching most regions by mid-July.
The India Meteorological Department (IMD) had earlier indicated that conditions were becoming favourable for the monsoon's advance into additional parts of the Arabian Sea, the Bay of Bengal, Lakshadweep, Kerala, Tamil Nadu and adjoining areas. The weather agency had been closely monitoring atmospheric developments before confirming the onset.
The Southwest Monsoon plays a critical role in India's agriculture-dependent economy. According to the Ministry of Agriculture, nearly 51 per cent of the country's cultivated land depends on rainfall for irrigation. These rain-fed areas contribute about 40 per cent of India's total agricultural production. With nearly half of the country's population relying directly or indirectly on farming for their livelihoods, the performance of the monsoon has a major impact on rural incomes, food production and overall economic activity.
A timely and well-distributed monsoon is also essential for maintaining reservoir levels, supporting hydroelectric power generation and ensuring adequate water availability for drinking and industrial use. Consequently, the onset and progress of the monsoon are closely watched by farmers, policymakers and businesses alike.
Alongside the monsoon's arrival, the IMD has forecast widespread rainfall activity across southern India. Kerala is expected to experience isolated heavy to very heavy rainfall over the coming days, raising the possibility of localized flooding and waterlogging in vulnerable areas. Parts of Tamil Nadu and Karnataka are also likely to receive heavy showers.
The weather department has further warned of thunderstorms accompanied by strong winds over several regions of north-west, central, eastern and southern India. Authorities have advised residents to remain alert and follow weather updates as rainfall activity intensifies.
Meteorologists attribute the delayed onset of the monsoon to a combination of atmospheric factors. A developing typhoon over the western Pacific reportedly diverted moisture away from the Arabian Sea and the Bay of Bengal, reducing the moisture flow necessary for the monsoon's rapid advancement. In addition, a cyclonic circulation near the Lakshadweep region is believed to have disrupted weather patterns and weakened the monsoon's initial push into Kerala.
Despite the brief delay, weather experts remain optimistic about the monsoon's overall progress. As the rain-bearing system advances across the country in the coming weeks, attention will shift to its distribution and intensity, factors that will ultimately determine its impact on agriculture, water resources and economic growth.
With the monsoon now officially underway, farmers across India will be hoping for a season of adequate and well-spread rainfall, which remains vital for ensuring a successful agricultural year and sustaining the livelihoods of millions.
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