Monsoon update: Heavy rain expected in Mumbai; Fishermen warned in Kerala

As per the IMD forecast, there is a possibility of very heavy rainfall in Ratnagiri, Sindhudurg, Mumbai, Thane, Raigad and Palghar districts on June 9.

An alert has been sounded in Mumbai and surrounding areas as heavy downpour is expected in the next two days. Fishermen in Kerala and Lakshadweep have been advised to not venture into parts of the Arabian Sea off the Konkan and Goa coast between June 8 and 12.

As per India Meteorological Department (IMD)'s latest weather bulletin, Southwest Monsoon has further advanced into some more parts of Central Arabian Sea, remaining parts of Coastal Karnataka, most parts of South Interior Karnataka and Goa and some parts of North Interior Karnataka.

Coastal Maharashtra and Goa remain particularly vulnarable as the can really be heavy in these parts. As per the IMD forecast, there is a possibility of very heavy rainfall in Ratnagiri, Sindhudurg, Mumbai, Thane, Raigad and Palghar districts on June 9. There is a similar forecast for the six districts of Konkan region, including Mumbai, and surrounding areas on June 10 and 11.

"Conditions are favorable for further advance of Southwest Monsoon into some
more parts of Central Arabian Sea, remaining parts of Goa, some parts of south Maharashtra, remaining parts of Karnataka and Rayalaseema, some parts of Telangana, some more parts of Coastal Andhra Pradesh and West Central Bay of Bengal during next 24 hours," the IMD bulletin said.

Meanwhile, the a warning of thunderstorm and rain has been for parts of Uttar Pradesh, including state capital Lucknow.

"Thunderstorm/rain likely to occur today in some areas over Lucknow, Hardoi, Sitapur, Barabanki, Unnao districts and adjoining areas," news agency ANI quoted Meteorological Centre, Lucknow, as saying.

On Thursaday evening, pre-monsoon showers disrupted normal life in Mumbai as filghts were delayed and local train were running late. The weather department recorded 39-mm rainfall at Santacruz observatory and 27.6-mm rainfall at the Colaba observatory through the day.

People in Mumbai can dial 1916 and those outside Mumbai can dial 1077 in case of emergency.

According to the IMD's prediction on distribution of rainfall this monsoon, the central India will get 'normal' rainfall but the southern Peninsula - Karnataka, Telangana, Andhra Pradesh, Tamil Nadu, Kerala and Puducherry - may get 'below normal' rainfall.

The north-east India is expected to get least rainfall (below normal) during the period. The monthly rainfall over the country as whole is likely to be 101% of its Long Period Average (LPA) during July, and 94% of the LPA during August - both with a model error of plus or minus 9%. Anything between 90%-96% of the LPA is considered "below normal" while rainfall in the range of 96%-104% of the LPA is considered "normal." Also, rainfall is considered "deficient" if it ranges below 90% of the LPA, and "above normal" if it falls between 104%-110% cent of the LPA. Above 110% of the LPA is considered "excess" rainfall.