Vijayawada: The Meteorological Department on Monday forecast heavy rainfall in parts of Andhra Pradesh up to May 8 and thundershowers on May 9. It also predicted heavy rainfall at isolated places over North Coastal Andhra Pradesh (NCAP), Yanam, South Coastal Andhra Pradesh (SCAP) and Rayalaseema. “Thunderstorms accompanied with lightning are likely at isolated places over NCAP, Yanam, SCAP and Rayalaseema. Gusty winds with speeds of 50 to 60 kmph (km per hour) are likely at isolated places over NCAP, Yanam, SCAP and Rayalaseema,” said the Met Department in a release.