The India Meteorological Department (IMD) on Tuesday predicted heavy rainfall activities in several parts of Odisha starting from August 18. As per IMD’s Regional Centre in Bhubaneswar, a fresh low pressure area is likely to form over north Bay of Bengal around August 19. IMD Bhubaneswar scientist Umashankar Das said yellow warning for heavy rainfall activities in several parts of Odisha has been issued till August 21.