<img class="styles__noscript__2rw2y" src="https://s.w-x.co/util/image/w/in-cycl_0.jpg?v=at&w=485&h=273" srcset="https://s.w-x.co/util/image/w/in-cycl_0.jpg?v=at&w=485&h=273 400w, https://s.w-x.co/util/image/w/in-cycl_0.jpg?v=ap&w=980&h=551 800w" > Cyclone Maha brought squally winds in Lakshadweep on Thursday, October 31. (TOI Kochi / BCCL)

This week, the Arabian Sea witnessed a peculiar occurrence with the formation of Cyclone Maha even as Kyarr prevailed over the region. On Thursday, the India Meteorological Department (IMD) confirmed that this was the first recorded case since 1965 of two cyclones occurring simultaneously in the Arabian Sea.

In its weekly weather status and outlook report, IMD said that India received 200% excess rainfall in the week ending on Wednesday, October 30. The maximum rainfall of 56 mm was recorded in the southern peninsula under the influence of the two cyclonic storms and depression over the Bay of Bengal.

Central India registered the maximum departure, with a whopping 572% excess rainfall last week. As far as the overall monthly rainfall in October is concerned, India received 44% excess rainfall, while the central and southern regions received 99% and 54% excess respectively.

<img class="styles__noscript__2rw2y" src="https://s.w-x.co/util/image/w/in-cycl1.jpg?v=at&w=485&h=273" srcset="https://s.w-x.co/util/image/w/in-cycl1.jpg?v=at&w=485&h=273 400w, https://s.w-x.co/util/image/w/in-cycl1.jpg?v=ap&w=980&h=551 800w" > Bengaluru witnessed moderate rainfall this week (Chethan Shivakumar / BCCL, Bengaluru)

Going forward, the severe cyclonic storm Maha is likely to intensify further into a very severe cyclonic storm over the east-central Arabian Sea, closely following the track of Kyarr. Under its influence, heavy to very heavy rainfall is forecast over Kerala, coastal Karnataka and south Tamil Nadu on Friday.

The IMD has issued another depression watch over the Bay of Bengal for this week. The forecast suggests the formation of a low-pressure area over the north Andaman Sea on Sunday. The cyclonic system is very likely to move towards the east coast of India while intensifying into a depression over the east-central Bay of Bengal by November 5.

“Under its influence, widespread rainfall with isolated heavy to very heavy falls very likely to occur over Andaman and Nicobar Islands during the second half of week 1 (November 3 to 6),” forecasts IMD.

In the north, a fresh disturbance is approaching and is likely to bring scattered rain or snowfall over Jammu and Kashmir as well as Himachal Pradesh this week. Overall, only the southern states, Chattisgarh, Jharkhand and Gangetic West Bengal may remain drier-than-normal this week, while other parts of the country are likely to receive normal to above-normal rainfall.

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