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Kerala is experiencing a resurgence of rainfall and strong winds, influenced by evolving weather systems over the Bay of Bengal. On July 23, 2025, heavy rain was reported across several regions of the state, with Cheruthoni and Udumbannoor in Idukki registering the highest rainfall at 10 cm in the 24-hour period ending at 8:30 a.m. on July 24.
Wind intensity has also surged, with gusts exceeding 20 knots in many areas. Idukki recorded the strongest winds, peaking at 57 km/h. Notable wind activity was also observed in districts such as Ernakulam, Thiruvananthapuram, Thrissur, Kottayam, and Pathanamthitta.
Weather Developments
| Category | Details |
| Date of Report | July 23-24, 2025 |
| Rainfall Highlights | Cheruthoni and Udumbannoor (Idukki) recorded highest rainfall: 10 cm in 24 hours till 8:30 a.m. on July 24 |
| Wind Speeds | Gusts over 20 knots in multiple locations; highest at Idukki: 57 km/h |
| Other Affected Districts | Ernakulam, Thiruvananthapuram, Thrissur, Kottayam, Pathanamthitta |
| Weather Cause | Remnants of Tropical Cyclone Wipha expected to form low-pressure system over northern Bay of Bengal |
| Trough from northeast Arabian Sea to cyclonic circulation over Bay of Bengal contributing to weather conditions | |
| Impact Areas | Kerala (coastal and interior regions), coastal Karnataka, south interior Karnataka, coastal Andhra Pradesh |
| IMD Alert | Yellow alert for 8 districts: Pathanamthitta, Alappuzha, Kottayam, Idukki, Kozhikode, Wayanad, Kannur, Kasaragod |
| Statewide alert for heavy to very heavy rain starting Friday | |
| Advisory | Residents advised to monitor forecasts and take precautions |
The remnants of Tropical Cyclone Wipha are expected to evolve into a low-pressure system over the northern Bay of Bengal within the next 24 hours, which is likely to strengthen westerly winds originating from the Arabian Sea. Additionally, a trough extending from the northeast Arabian Sea to a cyclonic circulation over the west-central and adjoining northwest Bay of Bengal at mid-tropospheric levels is further intensifying the weather conditions.
As a result, heavy rainfall is forecast across key monsoon regions along India's western coast, impacting areas such as coastal Karnataka, parts of Kerala, south interior Karnataka, and coastal Andhra Pradesh.
IMD Issues Alerts for Kerala Amid Intensifying Weather Conditions
The India Meteorological Department (IMD) has issued a yellow alert for eight districts in Kerala - Pathanamthitta, Alappuzha, Kottayam, Idukki, Kozhikode, Wayanad, Kannur, and Kasaragod - warning of isolated heavy rainfall over the next 24 hours.
Additionally, a statewide alert has been issued for heavy to very heavy rain on Friday, as the intensifying weather systems are expected to bring stronger winds and increased rainfall.
In summary, Kerala is bracing for intensified weather conditions due to developing systems over the Bay of Bengal. Authorities urge residents to remain vigilant, follow official updates, and take necessary safety measures as the situation unfolds.
