The monsoon is slated to make its earliest arrival in 13 years over Kerala, informs the India Meteorological Department (IMD).
What does the “Onset of Monsoon” mean?
- The onset of the monsoon over Kerala marks the beginning of the four-month, June to September southwest monsoon season over India.
- It brings more than 70 per cent of the country’s annual rainfall.
- It marks a significant transition in the large-scale atmospheric and ocean circulations in the Indo-Pacific region.
- The IMD announces it only after certain newly defined and measurable parameters, adopted in 2016, are met.
- The onset is a significant day in India’s economic calendar.
Does an early onset foretell a good monsoon?
- No, it does not — just as a delay does not foretell a poor monsoon.
- The onset is just an event that happens during the progress of the monsoon over the Indian subcontinent.
- A delay of a few days, or perhaps the monsoon arriving a few days early, has no bearing on the quality or amount of rainfall, or its regional distribution across the country.
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