Weather Alert: Southern India Braces for Widespread Rainfall and Thunderstorms

A developing low-pressure system in the Bay of Bengal is expected to bring widespread rainfall, thunderstorms, and localized heavy spells across several coastal and interior regions in southern India. The India Meteorological Department (IMD) has issued a warning that the weather activity over parts of South India is expected to intensify from October 24 onwards. The IMD has also warned of rough to very rough sea conditions that are expected to prevail over the southeast and adjoining east-central Arabian Sea till October 25.

Key Takeaways:

• A well-marked low-pressure area has moved northwestwards across north Tamil Nadu, Puducherry, and south Andhra Pradesh coasts and now lies over the north coastal Tamil Nadu and neighborhood.
• The low-pressure area is expected to move west-northwestwards across north Tamil Nadu and south Andhra Pradesh and weaken into a low-pressure area during the next 24 hours.
• Light to moderate showers along with thunderstorms are expected to take place over parts of Tamil Nadu between October 24 and October 28.
• Coastal Andhra Pradesh, Yanam, and Rayalaseema are likely to receive wet conditions between October 24 and October 26 and again on October 29.
• Parts of Telangana are also expected to get occasional rains on October 29.
• Kerala and Mahe could experience another surge in rainfall activity between October 27 and October 29.
• Coastal stretches of Karnataka are likely to receive showers on October 25 and October 26.
• Thunderstorms accompanied by lightning are expected to continue across most of the southern region for at least 5 days from today.
• Rainfall may pick up momentum again over Tamil Nadu toward the end of the week.
• Sea conditions are expected to be rough to very rough over the southeast and adjoining east-central Arabian Sea till October 25.

Sources:

• "Well-marked low pressure area over southwest Bay of Bengal off Tamil Nadu coast moved nearly northwestwards across north Tamil Nadu, Puducherry and south Andhra Pradesh coasts and lay over the north coastal Tamil Nadu and neighbourhood at 1730 hrs IST of today, the Oct. 22, 2025," - India Meteorological Department (IMD) update on X (formerly Twitter)
• "It is likely to move west-northwestwards across north Tamil Nadu and south Andhra Pradesh and weaken into a low-pressure area during the next 24 hours." - IMD update on X (formerly Twitter)
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