India, July 19 -- After a brief lull, monsoon activity is set to strengthen over Mumbai, with the India Meteorological Department (IMD) forecasting a gradual increase in rainfall over the coming days. While a yellow alert has been issued for Sunday, the weather office said the city is unlikely to witness a repeat of the widespread heavy rain seen in the first week of July.

IMD Mumbai director Bikram Singh said the recent dip in rainfall followed the intense spell earlier this month and that monsoon conditions are now becoming favourable for increased rain activity.

The IMD has forecast a generally cloudy sky with occasional moderate rain and heavy spells at isolated places on Sunday. Day and night temperatures are expected to hover arou...