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The ongoing violent weather over the South Peninsula in the form of thunderstorms and lightning will, for the next three days, get amplified further by ‘high-energy swell waves’ along the coasts.
These waves emanate from a tropical depression, tagged 92S, located 677 km north-east of the South Indian Ocean island of Diego Garcia on Thursday evening, almost 2,000 km South-West of Sri Lanka.
High winds, swells
The Hyderabad-based Indian National Centre for Ocean Information Services has said that the seas around India would witness high wave action along the coasts from Thursday.
The West Coast, South Tamil Nadu, Lakshadweep, the Andaman & Nicobar Islands and West Bengal coasts are likely to be affected. But North Tamil Nadu, Andhra Pradesh and Odisha may be spared.
Meanwhile, the weather forecast for the South for Friday said that heavy rain is likely over Tamil Nadu, Kerala and Coastal and South Interior Karnataka.
A European Centre for Medium-Range Weather Forecast said that on Friday heavy rain may fall over the interiors of Karnataka, Tamil Nadu, and Kerala across Nagamangala, Hagganuru, Guttaiyur, Gobichettipalayam, Dharapuram, Oddanchathram, Palani, Kodaikanal, Marayoor, Munnar, Adimali, Kumily, Aryankavu, Tenkasi, Kulathupuzha and Madathara.
Thunderstorms accompanied by lightning have been forecast over South Madhya Maharashtra, Marathwada, South Konkan, Goa, Kerala, Tamil Nadu, Telangana, Rayalaseema, Interior Karnataka, Coastal Andhra Pradesh, and South Chhattisgarh.
On Saturday, almost the same pattern of weather is forecast mostly across the three Met subdivisions with the forecast for the next couple of days indicating that thundershowers may cumulatively grow in intensity over the region.
Storm breeding
Meanwhile, the 24 hours ending on Thursday morning saw heavy rain lash the deficit-hit Lakshadweep Islands, interior Karnataka, Coastal Andhra Pradesh, Konkan, and Assam.
The prominent rain-generating formations over the South Peninsula included a trough from North Interior Karnataka to the Gulf of Mannar (around Sri Lanka) across Rayalaseema, Interior Karnataka and Interior Tamil Nadu.
Another trough is extended from a cyclonic circulation over South Interior Karnataka to North Coastal Andhra Pradesh and yet another from the Maldives to South Interior Karnataka.
In this manner, the extreme South Peninsula and the surrounding seas have set up ‘fertile grounds’ for the breeding of storms, the likelihood of which has already been sounded out by a couple of global weather models.
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