August acquired 27% extra rain on account of elevated low stress techniques, says IMD

Vibha Sharma

Tribune News Service

New Delhi, September 8

Normally, yearly the June-September monsoon season experiences round 13 or 14 (with 13.5 being the common) low stress techniques in seas on both aspect of the Indian Peninsula. This yr, nonetheless, the four-month season has to this point registered solely six techniques of which 5 have been in August, the month which acquired 27 per cent extra rains — the best since 1926.

Another low stress system is predicted round September 17.

According to the IMD, August noticed 27 ‘low pressure days’ in opposition to a standard of about 15 low stress (LP) days.

In truth, the traditional variety of LP days in all the season is round 55, stated the IMD.

Incidentally, the 5 low stress techniques had been all shaped over north Bay of Bengal (August 4-10, 9-11, 13-18, 19-26 and 24-31) and so they all moved practically west-northwestwards throughout central India as much as west Madhya Pradesh and Rajasthan, stated the Met Department.

The monsoon trough was energetic and south of its regular place throughout most days of the month, which acquired 27 per cent above regular rains. Last time August noticed such an extra was in 1983 when it acquired 24 per cent above regular rains.

So far through the interval of 1901-2020, the best August rainfall was in 1926 (33 per cent above regular), as per the IMD.

Active monsoon circumstances consecutively for 4 weeks led to extra rainfall exercise over the nation and floods over Odisha, Telangana, Madhya Pradesh, Maharashtra, Gujarat and Rajasthan.

Incidentally, the northwest (which is at the moment 10 per cent within the deficit) acquired lesser rains as in comparison with say central, western or southern elements of the nation as a result of majority of low stress techniques this season moved in the direction of Gujarat, Rajasthan and Madhya Pradesh, bringing extra rains in these elements, stated the IMD.  

“Low pressure systems/areas is the key during monsoon days to determine rains, especially in  central and adjoining areas which is why August recorded excess and July less rains,” defined IMD Director General Mritunjaya Mohapatra.

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