
Heavy rainfall is likely to lash parts of Tamil Nadu, Kerala, Mahé and coastal Karnataka on Thursday, October 24. Meanwhile, coastal Andhra Pradesh, Yanam and Rayalaseema are likely to witness continuous rainfall on October 27-28, the India Meteorological Department (IMD) said.
Source: IMD
The IMD issues an orange alert
IMD issued an orange alert and predicted very heavy rainfall in Karnataka districts — Uttar Kannada, Udupi, Dakshin Kannada; and Kerala’s Kasaragod, Kannur, Kozhikode, Wayanad and Malappuram.
In Tamil Nadu, the Chennai Meteorological Department said early Thursday: “It is very likely that light to moderate rain will continue at several places over Chengalpattu, Chennai, Kancheepuram, Kanniyakumari, Ranipet, Tenkasi, Thiruvallur, Tirunelveli in the next 3 hours.”
Meanwhile, light rain with thundershowers and lightening is expected in Tenkasi and Kanyakumari on Thursday.
Additionally, most parts of Maharashtra are under yellow alert. For Mumbai, Thane, Palghar and other districts, the IMD predicted, “Thunderstorm accompanied by lightning, light to moderate rainfall at isolated places.
IMD predicts rainfall in…
The IMD said heavy rainfall is likely to lash Tamil Nadu on October 24 and between October 26 and 28.
Kerala and Mahe may experience rain during October 27 and 29. Parts of Karnataka and Telangana may also experience heavy rains between October 23 and 25.
“Thunderstorm likely over the region during the next 5 days,” the IMD said.
A new low pressure forms over the Bay of Bengal on October 24
The IMD predicts the likely formation of a new low pressure area over the southeast and adjoining east-central Bay of Bengal on October 24.
“An upper air cyclonic circulation extending up to mid-tropospheric levels lies over southeast Bay of Bengal and adjoining south Andaman Sea. Under its influence, a low pressure area is likely to form over southeast and adjoining east-central Bay of Bengal on October 24, 2025,” the IMD said.
The system is likely to move west-northwest and become more prominent over the next 24 hours, the company said.
A previously well-marked low pressure area over southwest Bay of Bengal produced heavy to very heavy rainfall over southern peninsular India on 21 October.
Northeast Monsoon rain activity started over Tamil Nadu, Puducherry and Karaikal, Coastal Andhra Pradesh, Rayalaseema, South Interior Karnataka and Kerala-Mahe on 16th.





