Amaravati: The India Meteorological Department on Wednesday forecast "heavy rainfall" in parts of Andhra Pradesh over three days, from December 18 to 20, due to a low-pressure area over the Bay of Bengal. IMD predicted "heavy rain" on Wednesday at isolated places in North Coastal Andhra Pradesh, Yanam, South Coastal Andhra Pradesh, and Rayalaseema. For Thursday, the department forecast "heavy …