A weather system brewing over the Bay of Bengal is likely to bring a wet spell in south Bengal.

The system was in the form of a cyclonic circulation on Monday. It is expected to turn into a low-pressure area over the next 24 hours.

The Met office recorded around 8mm of rain in Alipore on Monday. Some areas recorded more rain.

“The city is likely to get more rain in the coming days. The system is expected to remain active till July 31,” said a Met official.