Fresh low pressure brewing in the Bay of Bengal, to bring Monsoon in Mumbai, Kolkata by June 12

June 6, 2020 12:20 PM |
monsoon 2020

Southwest Monsoon 2020 is all set to progress further very soon, with another weather system brewing in the Bay of Bengal. Active sea conditions are indicating towards a fresh low pressure area in the head Bay of Bengal by early next week.

A cyclonic circulation is likely to form in Northeast Bay of Bengal by June 8. Within a short span of time, it is likely to induce a low pressure area by June 9, which would be then moving towards the Bay of Bengal and across the East Coast near West Bengal or Odisha.

According to weathermen, these systems are known as Monsoon drivers, which further expedite the progress of the Monsoon season into other parts of the country. At present, the Northern Limit of Monsoon is running from Karwar, Hassan, Coimbatore, Kanyakumari, and further into Bay of Bengal.

With this low pressure area coming up in the Bay, we can eastern arm of the Monsoon to make progress first, followed by the western arm. As the system travels inland towards central parts of the country, it would strengthen the westerly winds from the Arabian Sea along the West Coast. This would then set the pace for the western arm of Monsoon to advance in Konkan & Goa region.

Monsoon is very likely to reach West Bengal and Odisha by June 11-12. In fact, Monsoon would hit Kolkata and Mumbai by June 12, which would be around the normal onset date. Both the cities are expected to see some good spells of rain

Talking about the direct impact of the system, we would see clouding coming up in the eastern parts of the country from as early as June 8. We can expect moderate rain and thundershowers along with few heavy showers over West Bengal and Odisha between June 10-12.

As the system travel inside, rain belt would start covering parts of Chhattisgarh, Jharkhand, Bihar, East Madhya Pradesh and adjoining areas of Vidarbha and Telangana. East Uttar Pradesh could also see some rains by June 14 or 15. By this time, rains would increase along with Goa and Coastal Maharashtra including Mumbai as well.

Rains would be in decreasing order as the system would start weakening due to land travel. Weathermen predict that spread of rains would be more but the intensity will be less. However, Vidarbha, South Chhattisgarh, North Telangana, and South Odisha could see some heavy spells.

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