THIRUVANANTHAPURAM: Isolated heavy summer rains are likely to lash the state. Yellow alert has been sounded in Pathanamthitta and Ernakulam. Yellow alert has been declared in Ernakulam tomorrow.

Alert has been issued as there is a chance of thunder along with rain. A special warning has been issued to fishermen and coastal residents due to the possibility of sea erosion. Meantime, extreme heat continues in many districts. Districts including Palakkad will continue to experience intense heat today. Malampuzha Dam, Kollengode and Mangalam Dam experienced temperature above 39-degree Celsius the other day.