New Delhi: The India Meteorological Department (IMD) said that conditions are favourable for the onset of monsoon in Kerala as south-westerly winds have strengthened, this will result in an increase in rainfall in the state likely from Thursday.
“The Southwest Monsoon made an onset over Kerala on Thursday after a delay of two days, the India Meteorological Department said. The monsoon onset over Kerala marks the commencement of the four-month rainfall season in the country. “The Southwest Monsoon has made an onset over southern parts of Kerala,” said Mrutunjay Mohapatra, Director General, IMD. The normal onset date for Southwest Monsoon over Kerala was June 1.
“The spatial rainfall distribution has increased over Kerala. Westerly winds have strengthened in the lower levels over the south Arabian Sea and deepened. As per satellite imagery, there is increase in cloudiness over Kerala coast and adjoining southeast Arabian Sea” it said in a statement on Wednesday evening.
“The above conditions likely to favor in further enhancement in rainfall activity over Kerala during next 24-hours. Hence, the monsoon onset over Kerala is likely to take place during the same period,” it said, confirming that monsoons will get Kerala’s coast as per its forecast.
The weather department added that there will likely be widespread rainfall accompanied with thunderstorm, lightning and gusty winds and isolated heavy rainfall in Karnataka-Kerala coasts.
“Under the influence of a trough at mean sea level off Karnataka-Kerala coasts and strengthening of westerly wind in lower tropospheric levels; scattered to widespread rainfall accompanied with thunderstorm, lightning and gusty winds and isolated heavy rainfall very likely over,” it added.
IMD also said that widespread rainfall activity very likely over Northeastern states during next 5 days, due to strengthening of lower level southwesterly winds. “Isolated heavy rainfall very likely over Arunachal Pradesh during June 4-6; Assam & Meghalaya during June 2-4 and Nagaland, Manipur, Mizoram & Tripura on June 2, 5 and 6. Isolated heavy to very heavy rainfall also very likely over Assam & Meghalaya on June 5-6, said IMD.
In its previous forecast, IMD had predicted that the country will have normal monsoon rains this year. The country is likely to receive 101 per cent of the long period average, said India Meteorological Department (IMD) on Tuesday (June 1, 2021).
The LPA of the season rainfall over the country as a whole for the period 1961-2010 is 88 cm.
According to IMD, the southwest monsoon is likely to be normal over Northwest India and South Peninsula. Whereas, seasonal rainfall is most likely to be below normal over Northeast India and above normal over Central India, said the weather bulletin.
The weather department expects monsoon rains to be well distributed, as most parts of the country are expected to receive an average to an above-average amount of rains this year.