Many parts of Tamil Nadu are likely to be gripped by scorching heat till April 12. The Regional Meteorological Centre (RMC) has forecast an increase in maximum temperature by two to three degrees Celsius till Sunday.

With the summer heat gradually rising in the State, the RMC has issued a heat index advisory , particularly coastal pockets, on Thursday. RMC officials noted that the trough prevailing over Tamil Nadu would lead to moisture incursion and increase humidity. . The combination of humid air and high temperatures would influence hot weather and discomfort in places like Chennai.