Starting May 4, Tamil Nadu is expected to experience an intense heatwave, with temperatures projected to rise by up to 5°C above the seasonal average.
This period, known locally as Kathiri Veyil or Agni Nakshatram, is anticipated to last for 25 days, bringing extreme heat conditions across the state. The Regional Meteorological Centre (RMC) has issued warnings about the impending heatwave, highlighting the need for immediate public health measures. In response, the Directorate of Public Health and Preventive Medicine (DPH) has released advisories urging residents to take necessary precautions to mitigate health risks associated with the soaring temperatures.
Residents are advised to stay indoors between 12 noon and 3 pm, the peak heat hours, and to keep themselves hydrated by consuming water, buttermilk, lemon water, and fresh fruit juices with a pinch of salt. The DPH also recommends avoiding strenuous physical activities during the hottest parts of the day and using protective measures like umbrellas or hats when outdoors. Special attention is being directed towards vulnerable groups, including children, pregnant women, the elderly, and individuals with pre-existing health conditions. Outdoor workers are particularly at risk and are encouraged to take frequent breaks in shaded areas and to drink water every 20 minutes to prevent dehydration.
To bolster the state’s preparedness, the DPH has instructed hospitals to reserve 2 to 10 beds specifically for heat-related illnesses. Ambulance services have been advised to implement rapid cooling measures, such as using ice packs or cold water sprays, before transporting patients exhibiting symptoms of heatstroke or heat exhaustion. The Tamil Nadu government has also initiated broader measures to combat the heatwave. Drinking water supply points are being established in over 1,000 locations, including bus termini and markets, to ensure public access to hydration. Local bodies have been directed to maintain these facilities and to distribute Oral Rehydration Solution (ORS) packets to those in need.
In addition, the government is focusing on long-term strategies to build heat resilience. The State Planning Commission, with support from the British High Commission, has developed a heat mitigation strategy that includes promoting sustainable cooling solutions, enhancing urban greenery, and integrating heat risk assessments into public health programs. As climate change continues to exacerbate extreme weather events, Tamil Nadu’s proactive approach serves as a model for other regions facing similar challenges. By combining immediate response measures with long-term planning, the state aims to safeguard public health and promote sustainable living amidst rising temperatures.
Residents are urged to stay informed through official channels and to adhere to the advisories issued by health authorities to navigate the heatwave safely.
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Tamil Nadu Set to Face Severe Heatwave from May 4
