India’s southwest monsoon has lost momentum dramatically just weeks after making an encouraging start, raising fresh concerns about rainfall shortages, water security and the growing influence of a strengthening El Nino in the Pacific Ocean.
Satellite imagery shows monsoon cloud cover thinning across large parts of the country, with rainfall activity collapsing after the seasonal rains advanced into southern and central India.
According to the India Meteorological Department (IMD), the country received only 19.2 mm of rainfall between June 4 and June 15 against a normal of 53.7 mm, leaving India with a rainfall deficit of nearly 64 per cent during the period.
The slowdown has been particularly noticeable along India’s west coast, where Mumbai continues to wait for the monsoon despite entering the second half of June. Normally, the monsoon reaches Mumbai between June 9 and June 11.
This year, its arrival has already been delayed by more than a week, with meteorologists expecting another four to five days before the system advances across the remaining parts of Maharashtra and the central Arabian Sea.
Weather agencies say monsoon conditions over Maharashtra and Gujarat have weakened significantly. While some progress is expected after June 20, widespread and meaningful rainfall may not arrive until the final week of June.
The weak start has left large portions of the country dry. Data from 723 districts show that only 103 districts have recorded near-normal monsoon conditions so far, while 236 districts have experienced weak rainfall, and another 202 districts have seen very weak rainfall.
MUMBAI’S DRIEST JUNE IN 20 YEARS
Mumbai is now on track to record one of its driest June months in nearly two decades. Santacruz observatory has received only 13.1 mm of rainfall this month, while Colaba has recorded a mere 5 mm.
The city’s average June rainfall stands at 526.3 mm. If the current trend continues, June 2026 could rival June 2014, when Mumbai recorded only 87.3 mm of rain, one of the lowest totals on record.
The delayed monsoon is also beginning to affect water resources. Maharashtra’s reservoirs currently hold only about 24.5 per cent of their total storage capacity, while several reservoirs in Gujarat are reporting sharply reduced water levels. The Sardar Sarovar reservoir alone is facing a significant storage deficit.
Meteorologists attribute much of the slowdown to the absence of strong weather systems over the Bay of Bengal and the Arabian Sea, both crucial drivers of monsoon advancement. At the same time, global climate agencies have confirmed the development of El Nino conditions in the Pacific Ocean.
Historically, El Nino has been closely linked with weaker Indian monsoons. Since 1950, India has experienced 16 El Nino years, many of which were associated with droughts and significant rainfall deficits.
With Pacific Ocean temperatures continuing to rise rapidly, forecasters warn that El Nino’s influence could intensify further by September, posing an additional challenge to India’s monsoon season.
– Ends
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