Chennai, Apr 7:
A new low-pressure area is expected to develop over the southern Bay of Bengal tomorrow, according to the Chennai Meteorological Department.
In its latest report, the department noted that Tamil Nadu has been experiencing widespread rainfall. Over the past 24 hours, Tirparappu in Kanyakumari district recorded the highest rainfall of 7 cm, followed by Surulacode (6 cm), Pechiparai (5 cm), Rasipuram in Namakkal, and Virudhunagar (each recording 5 cm).
A cyclonic circulation is currently prevailing over the southern districts of Tamil Nadu, along with another circulation over the southeastern Bay of Bengal. This system is expected to intensify into a low-pressure area within 48 hours. Due to this development, moderate rainfall is likely in a few areas of Tamil Nadu, Puducherry, and Karaikal from today until April 12.
Additionally, maximum temperatures in parts of Tamil Nadu, Puducherry, and Karaikal may rise by up to 3°C above normal until April 10. Chennai and its suburbs are expected to remain partly cloudy today, with a maximum temperature of around 36°C.
Six Locations Record Extreme Heat
As of yesterday evening, Vellore recorded the highest temperature in Tamil Nadu at 38.7°C (102°F). Erode, Karur Paramathi, Madurai Airport, Salem, and Trichy also reported temperatures exceeding 38°C (100°F).
Private Meteorologist’s Analysis
Independent weather expert N. Selvakumar explained that the combination of easterly winds and moisture incursion is causing convectional rainfall in interior districts. He added that the prevailing upper atmospheric circulation over the Bay of Bengal, near the Andaman Sea, is likely to develop into a low-pressure area tomorrow.
With this system approaching, coastal districts from Kanyakumari to Chennai can expect rainfall from tomorrow until April 10. Additionally, rainfall is expected in northern Tamil Nadu, Andhra Pradesh, and Odisha in the coming days.