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Thursday, April 02, 2020

IMD to revise reference dates for monsoon onset, withdrawal from this year

The new dates are expected to be announced in April, when IMD releases its First Long Range Forecast for the 2020 monsoon, IMD director-general M Mohapatra said.

Written by Anjali Marar | Pune | Updated: January 16, 2020 12:04:44 pm
india monsoon, rain in india, Monsoon rains in India, Southwest monsoon, monsoon withdrawal, indian monsoon, monsoon IMD, monsoon 2020, The revised dates will be implemented before the next monsoon season, the IMD said. (File)

The country’s Southwest monsoon is all set to get new dates marking its onset and withdrawal over the country, M Rajeevan, Secretary, Ministry of Earth Science, said on Wednesday.

India Meteorological Department (IMD) identifies June 1 as the date of monsoon onset over Kerala. The official date of monsoon to commence withdrawal from the extreme north-western parts of the country, that is from west Rajasthan, is September 1. The four-month-long season officially ends on September 30.

Speaking on this vital changes that will be introduced from the upcoming monsoon, Rajeevan said, ” MoES had constituted a committee to examine this issue. After considering the latest data, they have come out with an objective criteria and have re-worked on the new dates for declaring the monsoon onset and withdrawal. IMD will introduce these new dates from this monsoon season.”

Officials at MoES maintained that the report by the committee is yet to be released. However, they stated that June 1 onset date over Kerala is most likely to remain unchanged. The change in these dates will be crucial for the farming community, authorities noted.

” During the recent years, the progress of monsoon over the country has been observed to taking longer than the known normal dates. So,the onset dates over Karnataka, Maharashtra and rest northern regions could stand revised,” said IMD officials.

Moreover, as like 2019, when the actual monsoon withdrawal was delayed and had commenced only on October 9, the withdrawal dates too, are likely to get further pushed into later dates of September, officials noted.

” The rainfall during the monsoon season is getting extended well into a week or more than the normal days. We are working on new dates for some locations,” the officials said.

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