Abnormal heatwave conditions to persist across Tamil Nadu till July 17; rainfall set to improve later this week
Tamil Nadu is experiencing an intense heatwave driven by weak monsoon circulation and El Niño conditions, with temperatures exceeding 40 degrees Celsius in several districts. The Regional Meteorological Centre expects the heat to persist until July 17 before rainfall improves later in the week.
The weak Southwest monsoon circulation, along with El Niño-induced subsidence, is expected to sustain abnormal heatwave conditions over interior Tamil Nadu till Friday (July 17, 2026). The Regional Meteorological Centre (RMC) has forecast an improvement in rainfall over the State from the second half of the week and ease the prevailing heatwave conditions.
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