Southwest monsoon reaches Kerala coast, orange alerts for 7 districts
Synopsis
The southwest monsoon has reached Kerala's coast, and the IMD has put seven districts on orange alert with isolated spots potentially receiving up to 20 cm of rain in short bursts. This isn't just a local weather event — Kerala's monsoon onset is the national starting gun, signalling when seasonal rains will begin their march across the rest of India.
Key Takeaways
The southwest monsoon reached the Kerala coast on 1 June , with the IMD confirming favourable onset conditions.
Seven districts — Alappuzha, Kottayam, Ernakulam, Thrissur, Malappuram, Pathanamthitta, and Kozhikode — are under orange alert this week.
Isolated locations in alerted districts may receive 11–20 cm of rainfall within short periods, raising flash flood and landslide risks.
Fishermen have been advised not to venture into the sea due to rough coastal conditions.
Local bodies have accelerated drain and canal cleaning as part of pre-monsoon preparedness.
The southwest monsoon has arrived at the doorstep of the Kerala coast, the India Meteorological Department (IMD) indicated on Monday, 1 June, marking the beginning of India's annual rainy season. Weather agencies confirmed that conditions have turned favourable for onset, bringing relief from an unusually harsh summer alongside warnings of intense rainfall in the days ahead.
Orange and Yellow Alerts Issued
The IMD has placed seven districts under orange alert across different days this week. Alappuzha, Kottayam, Ernakulam, Thrissur, and Malappuram are on alert for Wednesday and Thursday, while Pathanamthitta and Kozhikode face the alert on Thursday. Yellow alerts have additionally been issued for several other districts, signalling heavy rainfall across large parts of the state.
Rainfall Intensity and Disaster Risks
Weather experts have warned that isolated locations in the alerted districts could receive between 11 and 20 centimetres of rainfall within short periods. Such concentrated downpours raise the risk of flash floods in urban centres and landslides in hilly regions. Disaster management agencies have stepped up monitoring and preparedness measures in response, and authorities have urged residents in vulnerable areas to remain on high alert.
Fishermen Advisory and Coastal Conditions
The advancing monsoon is expected to bring rough sea conditions and strong winds along Kerala's coastline. Authorities have advised fishermen not to venture into the sea until conditions improve. The advisory reflects a standard precautionary protocol that accompanies each monsoon onset along the western coast.
Pre-Monsoon Preparedness Across the State
Local bodies across Kerala have accelerated pre-monsoon readiness efforts, including the cleaning of drains, canals, and waterways to minimise flooding risks. This comes after weeks of oppressive heat that followed an unusually severe summer season. Notably, Kerala's monsoon onset serves as the national benchmark — its arrival triggers the IMD's progressive advance forecasts for the rest of the country, making it a closely watched event from Thiruvananthapuram to New Delhi.
The first widespread monsoon showers are expected to transform Kerala's landscape in the coming days, setting the stage for the seasonal rains that sustain agriculture and water resources across much of India.
Point of View
And urban flooding in Kochi and Thrissur recurs every year. The IMD's forecasting has improved markedly, but disaster preparedness at the local body level remains reactive rather than structural. With climate patterns making extreme short-duration rainfall events more frequent, the 11–20 cm warning range is no longer an outlier — it is becoming the norm, and infrastructure planning has not kept pace.
NationPress
23 Jul 2026
Frequently Asked Questions
Has the southwest monsoon officially arrived in Kerala in 2025?
Weather agencies indicated on 1 June that the southwest monsoon is at the doorstep of the Kerala coast, with the IMD confirming favourable conditions for onset. Kerala is traditionally the first state where the monsoon makes landfall, marking the start of India's rainy season.
Which Kerala districts are under orange alert?
The IMD has issued orange alerts for seven districts: Alappuzha, Kottayam, Ernakulam, Thrissur, and Malappuram on Wednesday and Thursday, and Pathanamthitta and Kozhikode on Thursday. Yellow alerts cover several additional districts across the state.
How much rainfall is expected in the alerted districts?
Weather experts have warned that isolated locations in the orange-alerted districts could receive between 11 and 20 centimetres of rainfall within short periods. Such intensity raises the risk of flash floods in urban areas and landslides in hilly terrain.
Why does Kerala's monsoon onset matter for the rest of India?
Kerala's monsoon arrival serves as the national benchmark for the IMD's advance forecasts. Once onset is confirmed over Kerala, the department tracks the monsoon's progressive northward march, which determines when the rains reach states across central, northern, and eastern India.
What precautions have authorities taken ahead of the monsoon?
Authorities have urged residents in vulnerable areas to stay on high alert, advised fishermen to avoid the sea due to rough coastal conditions, and local bodies have stepped up cleaning of drains, canals, and waterways to reduce flooding risk.
