KOLKATA: (Jul 19) A low-pressure area is likely to form over north Bay of Bengal around July 24, bringing heavy rain in some south Bengal districts next week, the India Meteorological Department said.

Owing to monsoon flow and strong moisture incursion, isolated heavy to very heavy rainfall is likely over north Bengal districts till July 22, it said.

Rainfall is expected to increase in south Bengal with isolated downpour in some districts from July 23, due to the anticipated low-pressure area over north Bay of Bengal, the IMD said in a bulletin.