Monsoon reaches Kerala on June 4, four days behind the IMD’s own forecast
The India Meteorological Department confirmed the monsoon's arrival in Kerala on June 4, marking a four-day deviation from their initial forecast. This event is notable as it is the first time since 2015 that the department's onset prediction has fallen outside its established error margin.
Why it matters
Accurate monsoon forecasting is essential for disaster preparedness and agricultural planning; missing these targets highlights the challenges of climate modeling.
The southwest monsoon set in over Kerala on Thursday (June 4, 2026), the India Meteorological Department announced. This is three days later than the normal onset date of June 1, and four days behind the date the department had forecast.
The report objectively analyzes the department's performance against historical data and its own stated criteria.
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