The Indian Meteorological Department (IMD) has declared orange alert in southern and parts of central Kerala on Sunday and Monday warning of very heavy rainfall (12-20 cm in 24 hours).
Orange alert has been sounded in Kollam, Pathanamthitta, Alappuzha, Kottayam, Ernakulam and Idukki on Sunday and Thiruvananthapuram, Kollam, Pathanamthitta, Alappuzha, Kottayam, Ernakulam and Idukki districts on Monday.
The heavy rain is due to strong westerly wind flow from Arabian Sea to South Peninsular India in lower tropospheric levels. Widespread rainfall is expected for the next five days over Kerala and Lakshadweep, said the IMD bulletin.