September 24, 2023


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Very heavy rain lashes Madhya Maharashtra, Coastal Andhra Pradesh

India Meteorological Division (IMD) has prolonged by very little much more than a working day the probably formation of a ‘defining’ low-force location over the North Andaman Sea, which is predicted to have implications not just for India’s East Coast in phrases of heavy rainfall but also for the onset of the North-East monsoon over the South Peninsula.

Usually, the extension of timeline for genesis of a ‘low’ is taken to signal weakening of confidence in the eventuality, but it may not automatically be the circumstance below because world wide peer versions have taken care of the outlook for a ‘low’. The monsoon transition from South-West to North-East also supports the prognosis with associated reduction in wind shear, which aids the formation of a ‘low’ and its intensification.

Stormy South China Sea

Included to this is storminess in and active condition of the upstream South China Sea/West Pacific with probably cascading effect on the Bay of Bengal. The seasonal easterly winds will probably lead to any remnant to drift in downstream and established up the ‘low’ in the Bay.

The IMD expects the technique to turn into ‘more marked’ in the Bay and shift west-northwestwards to the South Odisha-North Andhra Pradesh coasts all through the subsequent 4-5 days. But it may not probably go to the extent of tossing up a storm/cyclone just yet as world wide versions have been suggesting.

Bay storm outlook

What it would perhaps do is get ready the ground for a storm to build in the Bay a few days later, according to projections by the IMD’s numerical temperature prediction model. This will require to be tracked and verified at the ground degree. A fortnightly prediction by the US Local climate Prediction Centre far too supports this outlook.

In the meantime, the 24 hrs ending on Sunday morning noticed heavy to very heavy rainfall (in cm) being recorded at isolated locations over Madhya Maharashtra and Coastal Andhra Pradesh when Ito was heavy at isolated locations over Telangana, Konkan, Goa, Marathwada, Madhya Maharashtra, East Gujarat, Rayalaseema, Tamil Nadu and Coastal and North inside Karnataka.

The IMD has forecast gentle to reasonable rainfall at most locations over the Andaman & Nicobar Islands with isolated thunder squalls (wind speeds of fifty-60 km/hr) and heavy to very heavy falls all through the subsequent 4-5 days as the ‘low’ builds.

Circulation in Arabian Sea

This is even as another cyclonic circulation lies over East-Central Arabian Sea and is predicted to persist all through the subsequent 3-4 days. It will provide rather prevalent to prevalent gentle to reasonable rain  over the Southern Peninsula for the subsequent five days and over Maharashtra all through the subsequent two-3 days.

Isolated heavy falls have been forecast over Tamil Nadu, South inside Karnataka and Kerala all through the subsequent five days prompting the regional administration to declare diversified State of alerts to the community.

Weighty to very heavy rain

Just about related temperature is predicted over Coastal and North inside Karnataka for four days from Monday over Rayalaseema all through subsequent three days over Konkan and Goa on Sunday and Monday and over Madhya Maharashtra Sunday and Monday. Isolated very heavy rainfall has been warned of over Kerala and Mahe as waves of heavy rain from the Arabian Sea tactic the coastline.